Mocznik, CAS 57-13-6 – odczynnik, CAS 57-13-6 — etykieta produktu chemicznego

Mocznik, CAS 57-13-6 – odczynnik

99,00 €

🔒 演示模式 — 此商品不出售。

合法物质。dhscientific.com 是 MOL-GOD 平台的演示 — 我们不出售任何商品，也不处理订单。被禁止的物质会依据法规基准在此自动拦截（例如可参见七氯）。

免费审核您的安全数据表（SDS） → · 联系我们

MolGod_SDSCARD_1
REACH 2020/878
v1 · 02.08.2026
🧬 3D分子可视化器
正在加载分子...
3D模型Urea，CAS 57-13-6，分子式CH4N2O, 摩尔质量 60.056 g/mol
化学概述: UreaMolGod_OVERVIEW_1
分子式CH4N2O[1]
分子量60.056 g/mol[1]
熔点132.7 °C[1]
密度1.34 g/cm³[1]
LogP（亲脂性）-1.4[1]
IUPAC名称urea[1]
SMILESC(=O)(N)N[1]
InChIKeyXSQUKJJJFZCRTK-UHFFFAOYSA-N[1]

同义词: urea · 57-13-6 · carbamide · Carbonyldiamide · Ureophil

数据来源： PubChem (NLM/NIH)
最后更新： 2026-08-04

📚 科学参考文献（芝加哥作者-日期格式） (1 来源)
  1. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. ↗ applies to: 分子式 · 分子量 · 熔点 · 密度 · LogP（亲脂性） · IUPAC名称 · SMILES · InChIKey

🎓 Badania akademickie: Urea

#1🎓Indian Institute of Science Education and Research Bhopal (IISER Bhopal)📅 2026
Chlorination-Enhanced H(+)/Cl(-) Co-Transport by Tyramine-Urea Conjugates
Pradhan NP; Nagrale PK; Lal B; Dhasmana Y; Chopra D; Srivastava A.
完整实验室报告 →
#2🎓Indian Institute of Technology Delhi📅 2025
Phenyl Urea as an Aglet for Stabilizing Trans Proline: A Mimic of Ile-Phe Zipper
Dutta S; Dwivedi S; Haridas V.
完整实验室报告 →
#3🎓Faculty of Engineering and Natural Sciences📅 2025
Urea-sugar and thiourea-sugar diastereomers: synthesis, crystal structure and biological activities
Işilar Ö; Bulut A; Tombul M; Güner A; Şahin O.
完整实验室报告 →
#4🎓Faculty of Nutrition📅 2024
Weak association between urea-creatinine ratio and c-reactive protein with nutritional risk in hospitalized patients with COVID-19: A cross-sectional…
Souza JS; Giglio BM; Lobo PCB; Araújo VA; Pimentel GD.
完整实验室报告 →
📊 物理化学性质

快速参考

化学式： CH4N2O
分子量： 60.056 g/mol
CAS号： 57-13-6
外观： 白色晶体或粉末
气味： 可能逐渐产生轻微氨味，尤其在潮湿环境中

详细性质

属性 值 单位 条件 来源
密度（ρ） 1.34[1] g/cm³ 20 °C PubChem PUG-View
熔点（mp） 132.7 °C[1] decomp. PubChem PUG-View
沸点（bp） Decomposes (NTP, 1992)[1] PubChem (NIH/NLM) ↗
蒸气压 0.000012 [mmHg][1] PubChem (NIH/NLM) ↗
水溶性 545[1] g/L 25 °C PubChem PUG-View
黏度（η） 1.78 mPa-s (46% solution @ 20 °C); 1.81 mP-s @ 137 °C; 1.90 mPa-s (saturated solution @ 20 °C)[1] PubChem (NIH/NLM) ↗
🔬 高级属性

化学标识符

SMILES: C(=O)(N)N
InChI: InChI=1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)
InChIKey: XSQUKJJJFZCRTK-UHFFFAOYSA-N

数据来源： PubChem PUG-View, PubChem (NIH/NLM)

最后更新： 未确认

📚 科学参考文献（芝加哥作者-日期格式） (1 来源)
  1. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. ↗ applies to: 密度（ρ） · 熔点（mp） · 沸点（bp） · 蒸气压 · 水溶性 · 黏度（η）
物质监管状态
在已检查的限制清单（SVHC候选清单、REACH附件XVII；数据集不完整——这不构成合规确认）中未找到该CAS号的条目。CLP分类和运输状态（ADR）：请参见GHS章节及安全数据表（SDS）。
🧮 化学计量计算器MolGod_STOICH_1
🔍 外部标识符MolGod_EXTID_1
16 / 16个ID系统100%
数据库标识符操作
CAS Registry Number57-13-6打开 →
PubChem CID1176[1]打开 →
InChIKeyXSQUKJJJFZCRTK-UHFFFAOYSA-N[1]打开 →
InChIInChI=1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)[1]
SMILESC(=O)(N)N[1]
EC Number200-315-5[2]打开 →
ChEMBLCHEMBL985[3]打开 →
DrugBankDB03904打开 →
KEGG CompoundD00023打开 →
HMDBHMDB0000294打开 →
ChemSpider1143[4]打开 →
CompTox DTXSID (EPA)DTXSID4021426[5]打开 →
MeSH UID (NLM)D014508打开 →
UNII (FDA)8W8T17847W打开 →
NSC Number (NCI)34375打开 →
WikiData QIDQ48318打开 →

来源：PubChem (NIH)、Wikidata SPARQL、KEGG、ChEMBL (EBI)、CompTox CTX (EPA)。

📚 科学参考文献（芝加哥作者-日期格式） (5 来源)
  1. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. ↗ applies to: PubChem CID · InChIKey · InChI · SMILES
  2. ECHA. EC Inventory — EINECS, ELINCS, NLP and List Numbers assigned under REACH. Helsinki: European Chemicals Agency. ↗ applies to: EC Number
  3. ChEMBL. European Bioinformatics Institute (EMBL-EBI), bioactivity database. ↗ applies to: ChEMBL
  4. ChemSpider. Royal Society of Chemistry, chemical structure database. ↗ applies to: ChemSpider
  5. U.S. EPA. CompTox Chemicals Dashboard — ToxCast/Tox21 high-throughput screening bioactivity summary (testing coverage, not a hazard finding). Washington, DC: U.S. Environmental Protection Agency. ↗ applies to: CompTox DTXSID (EPA)
📡 光谱学 — CAS 57-13-6MolGod_SPECHUB_MAIN
📊 光谱数据库 — 内联数据 9 来源 MolGod_SPECDB_2

光谱按需从9个来源获取。每个光谱都存储在我们的数据库中 — 下次打开时无需向外部API发出请求。无需搜索即可为每个光谱下载JCAMP-DX / CSV / PNG。

IR IR (Infrared) — NIST WebBook
Public domain (US Federal)
▶ 点击加载光谱
🔗 来源
— 点
📚 NIST Chemistry WebBook, SRD 69
MS (NIST) Mass Spectrum (EI) — NIST WebBook
Public domain (US Federal)
▶ 点击加载光谱
🔗 来源
— 点
📚 NIST Standard Reference Database 1A
UV-Vis UV/Visible Absorption — NIST WebBook
Public domain (US Federal)
▶ 点击加载光谱
🔗 来源
— 点
📚 NIST Chemistry WebBook, SRD 69
¹H NMR NMR (¹H, ¹³C) — NMRShiftDB
CC-BY-SA 4.0
▶ 点击加载光谱
🔗 来源
— 点
📚 Steinbeck C et al. (2003) J. Chem. Inf. Comput. Sci. 43(1):10–16 DOI: 10.1021/ci025588g
MS (MoNA) MoNA — MassBank of North America
CC-BY 4.0
▶ 点击加载光谱
🔗 来源
— 点
📚 MassBank of North America (UC Davis) DOI: 10.1002/jms.1777
IR/NMR/MS (SDBS) SDBS — Spectral Database for Organic Compounds (Japan AIST)
Free for non-commercial

参考来源 — 无公共API。在外部数据库中打开：

🔗 IR/NMR/MS (SDBS) →
📚 SDBSWeb: https://sdbs.db.aist.go.jp (AIST, Japan)
JP Monograph Japanese Pharmacopoeia — Monographs
Reference only

参考来源 — 无公共API。在外部数据库中打开：

🔗 JP Monograph →
📚 Japanese Pharmacopoeia 18th Edition (2021)
WHO INN WHO — International Nonproprietary Names
WHO Model Lists (free)

参考来源 — 无公共API。在外部数据库中打开：

🔗 WHO INN →
📚 WHO INN Programme
DOAJ DOAJ — Directory of Open Access Journals
OA journal index (mixed)

参考来源 — 无公共API。在外部数据库中打开：

🔗 DOAJ →
📚 DOAJ — doaj.org

数据仅获取一次（JCAMP-DX 解析器），并保存在插件的本地数据库中。不重复下载，再次打开时不查询 NIST。遵守许可（仅发布深层链接和自有可视化）。

🔬 交互式光谱（实时 — NIST / MoNA / NMRShiftDB / SDBS） (2)

数据从多个来源实时获取（优先级链）。每个光谱下可下载JCAMP-DX / CSV / PNG。

IR — 傅里叶变换红外光谱

正在加载 IR — 傅里叶变换红外光谱…

MS — 质谱（EI 70eV）

正在加载 MS — 质谱（EI 70eV）…

📐 理化性质（数据库） 5 字段 MolGod评分：可靠
属性 值 单位 条件 来源
熔点 132.7 [1] °C decomp. PubChem PUG-View
沸点 rozkłada się [1] — przed wrzeniem (decomp.) PubChem PUG-View
水溶性 545 [1] g/L 25°C PubChem PUG-View
密度 (ρ) 1.34 [1] g/cm³ 20°C PubChem PUG-View
logP (辛醇/水) -1.4 [1] — 25°C PubChem PUG-View
📚 科学参考文献（芝加哥作者-日期格式） (1 来源)
  1. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. ↗ applies to: 熔点 · 沸点 · 水溶性 · 密度 (ρ) · logP (辛醇/水)
🔄 浓度单位转换器 实时 MolGod_UNITCONV_1

输入Urea浓度（任意单位），其余将自动计算。

分子量： 60.056 g/mol · IUPAC Gold Book ↗

⚗️ 转换公式及引用（每个公式）
转换分子式准确度来源
% (w/v) ↔ molarityc (mol/L) = (% × 10) / MW±0.5% rel. when density ≈ 1.0 g/mLIUPAC (2019)
millimolar ↔ molarc (mol/L) = mM × 10⁻³ExactCohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
molarity (mol/L)c = n/V = (m/MW)/V±0.1% (depends on MW precision)IUPAC (2019)
parts per million (mg/L) ↔ molarityc (mol/L) = ppm / (1000 × MW); equivalently ppm = mg/L for dilute aqueous±1% (density-independent for dilute solutions)IUPAC (2019)
mg/mL ↔ molarityc (mol/L) = (mg/mL × 1000) / MW / 1000 = mg/mL / MW × 1±0.2%Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
g/L ↔ molarityc (mol/L) = (g/L) / MW±0.1% (depends on MW precision)Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
mmol/L ↔ molarityc (mol/L) = mmol/L × 10⁻³ExactCohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
Celsius ↔ KelvinT(K) = t(°C) + 273.15±0.01 K (ITS-90 scale)BIPM (Bureau International des Poids et Mesures) (2019)
Celsius ↔ FahrenheitT(°F) = T(°C) × 9/5 + 32±0.1 °FThompson A, Taylor BN (2008)
density-corrected % ↔ molarityc (mol/L) = (%w/w × ρ × 10) / MW, ρ in g/mL±0.1% when ρ known to 3 decimalsCohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
📚 参考文献（8个权威来源）
  1. Thompson A, Taylor BN (2008). Guide for the Use of the International System of Units (SI). NIST Special Publication 811 · DOI: 10.6028/NIST.SP.811-2008
    → Primary SI standard for US scientific usage
  2. Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007). Quantities, Units and Symbols in Physical Chemistry — The IUPAC Green Book. RSC Publishing, 3rd ed. · DOI: 10.1039/9781847557889 · ISBN: 978-0-85404-433-7
    → Canonical IUPAC guide for chemistry quantities/units
  3. BIPM (Bureau International des Poids et Mesures) (2019). The International System of Units (SI), 9th edition. BIPM · ↗
    → International SI definitions (incl. redefined kilogram 2019)
  4. ISO/IEC (2022). Quantities and units — Part 1: General. International Organization for Standardization — ISO 80000-1:2022 · ↗
    → General rules for physical quantities and units
  5. ISO/IEC (2019). Quantities and units — Part 9: Physical chemistry and molecular physics. International Organization for Standardization — ISO 80000-9:2019 · ↗
    → Concentration / molality / amount-of-substance conventions
  6. Tiesinga E, Mohr PJ, Newell DB, Taylor BN (2021). CODATA recommended values of the fundamental physical constants: 2018. Rev. Mod. Phys. 93(2):025010 · DOI: 10.1103/RevModPhys.93.025010
    → Avogadro, gas constant, molar volume (2019 SI revision)
  7. IUPAC (2019). Compendium of Chemical Terminology — the IUPAC Gold Book (online). IUPAC · DOI: 10.1351/goldbook
    → Definitions of mass fraction, molality, normality, ppm, activity
  8. Mills IM, Cvitaš T, Homann K, Kallay N, Kuchitsu K (1988). Quantities, Units and Symbols in Physical Chemistry. Blackwell Scientific Publications, 1st ed. · ISBN: 0-632-01773-5
    → Historical predecessor of IUPAC Green Book
🧪 溶液制备向导 WIZARD MolGod_PREP_1
① 选择浓度
② 目标体积
③ 溶剂

计算依据： IUPAC Gold Book ↗, Merck ↗

🛡️ 安全 — CAS 57-13-6MolGod_SAFEHUB_MAIN
数据限制说明。 本页安全信息仅供参考，不能替代完整的安全数据表（SDS）。使用产品前，请查阅制造商当前的安全数据表以及GHS/CLP指南。CLP分类适用于纯散装物质，不适用于商业制剂。

该物质无统一的GHS分类——请参阅供应商当前的安全数据表（SDS）。

📚 综合科学参考文献 — Chicago Author-Date 10 来源

从所有Safety Hub选项卡收集的参考文献。CAS号： 57-13-6 · PubChem ↗

  1. Parlament Europejski i Rada UE. 2008. "Rozporządzenie (WE) nr 1272/2008 w sprawie klasyfikacji, oznakowania i pakowania substancji (CLP)." Dz.Urz. UE L 353. [↗] GHS，法规
  2. United Nations Economic Commission for Europe (UNECE). 2021. "Globally Harmonized System of Classification and Labelling of Chemicals (GHS), Ninth Revised Edition." United Nations, Geneva. [↗] GHS
  3. Goldfrank, Lewis R., Robert S. Hoffman, Mary Ann Howland, et al.. 2019. "Goldfrank's Toxicologic Emergencies, 11th ed.." McGraw-Hill Education, New York. ISBN 978-1-25-985961-8. Pierwsza pomoc, Toksykologia
  4. National Institute for Occupational Safety and Health (NIOSH). 2023. "NIOSH Pocket Guide to Chemical Hazards (DHHS Publ. 2005-149)." U.S. Department of Health and Human Services / CDC, Cincinnati, OH. [↗] Pierwsza pomoc, PPE, Toksykologia
  5. European Committee for Standardization (CEN). 2016. "EN 374-1:2016 — Protective gloves against dangerous chemicals and micro-organisms." CEN, Brussels. [↗] PPE
  6. UNECE. 2023. "European Agreement Concerning the International Carriage of Dangerous Goods by Road (ADR 2025)." United Nations, Geneva. [↗] Utylizacja, Regulacje
  7. National Fire Protection Association (NFPA). 2022. "NFPA 400 — Hazardous Materials Code." NFPA, Quincy, MA. [↗] Magazynowanie
  8. Urben, P.G. (ed.). 2017. "Bretherick's Handbook of Reactive Chemical Hazards, 8th ed.." Butterworth-Heinemann / Elsevier, Oxford. [↗] Magazynowanie
  9. Ministerstwo Klimatu i Środowiska RP. 2023. "Baza danych o produktach i opakowaniach oraz o gospodarce odpadami (BDO)." Ministerstwo Klimatu i Środowiska, Warszawa. [↗] Utylizacja
  10. International Agency for Research on Cancer (IARC / WHO). 2024. "IARC Monographs on the Identification of Carcinogenic Hazards to Humans — List of Classifications." WHO, Lyon. [↗] Toksykologia

具有自身参考文献的选项卡（紧急情况、个人防护装备、储存、废物）在其各自章节中包含额外的书目条目。

📈 分析统计（t检验·RSD·Grubbs·Q-Dixon） ICH Q2

粘贴一系列重复测量结果（CSV或每行一个数字）。计算器将计算平均值、标准差和95%置信区间，并检测异常值（Grubbs + Dixon Q）。

分隔符：逗号、空格、制表符、换行。至少3个测量值。
📐 统计公式
  • x̄ = Σxᵢ / n — 算术平均值
  • s² = Σ(xᵢ - x̄)² / (n-1) — 样本方差
  • s = √s² — 标准差
  • RSD% = (s / x̄) × 100% — 相对标准差
  • CI₉₅ = x̄ ± t(0.05, n-1) × s / √n — Student's t
  • G = |xᵢ - x̄| / s — Grubbs检验
  • Q = |xsuspect - xnearest| / |xmax - xmin| — Dixon Q-test

来源：ICH Q2(R2) 分析方法验证 · ICH PDF ↗

🧪 缓冲液配方计算器 唯一
参考文献： pKa值来自 Goldberg NIST 81 · CRC Handbook 100th ed. · Stoll & Blanchard 1990 (DOI)

从 20 种常用缓冲体系列表中选择 → 输入目标 pH → 获得精确配方，包括称量质量。

步骤 1：选择缓冲体系

📜 配方历史记录（最近 10 条）
🧪 溶解性和溶剂兼容性 MolGod_SOLUB_1
分子
Urea
分子式
CH4N2O
logP (XLogP3)
-1.40
摩尔质量（g/mol）
60.056
极性
亲水性（极性）

⚠️ HSP估算（文献/基团贡献法）。指示性数据——不能替代实验研究。

溶剂 兼容性 Ra 可视化 GC-MS HPLC 应用 参考文献
Water (H₂O)545 g/L (pomiar)23.8
✗ NieA (aqueous) (RP)
缓冲液细胞培养分析级亲水萃取
Ethanol (EtOH)+ 良好14.3
✗ NieA/B modifier (RP/NP)
萃取光谱学（UV-Vis）合成HPLC改性剂
Methanol (MeOH)+ 良好13.3
✗ NieA/B (RP) (RP)
HPLC (eluent)LC-MSKarl FischerUV-transparent do 205 nm
Acetone~ 平均19.7
✗ NieB modifier (NP)
GC headspace结晶脱脂合成
Acetonitrile (ACN)~ 平均18.9
✗ NieB (RP) (RP)
HPLC洗脱液（黄金标准）LC-MS (wolny cut-off UV 190 nm)肽分析
DMSO+ 良好12.4
✗ NieN/A (N/A)
NMR (d6-DMSO)细胞生物学（低温保存）药物递送合成
THF~ 平均20.3
✗ NieB (NP) (NP)
GPC/SEC（聚合物分析）格氏合成有机金属
DCM (CH₂Cl₂)~ 平均20.3
✓ TakB (NP) (NP)
萃取NP-HPLCGC-MS结晶（反溶剂法）
Chloroform (CHCl₃)~ 平均22.9
✓ TakN/A (toxic) (N/A)
NMR (CDCl3)脂质提取（Folch法）NP-TLC
Hexane− 差30.8
✓ TakA (NP) (NP)
NP-HPLC油脂提取（脂质）GC-MSTLC (NP)
Toluene− 差26.6
✓ TakB (NP) (NP)
NMR (d8-toluene)合成Dean-Stark共沸干燥
📚 溶剂科学参考文献（芝加哥作者-日期格式）——点击展开

11种溶剂 × 5个独立科学来源（NIST/CRC/IARC/Hansen/Reichardt/Smallwood/Wypych/Armarego/Snyder/GESTIS）。下方55+完整引用。

Water (H₂O)
  1. NIST — NIST Chemistry WebBook — Water (CAS 7732-18-5)
  2. CRC — CRC Handbook of Chemistry and Physics, 104th ed., Sec. 8 (Properties of Water)
  3. IAPWS — IAPWS Release on Static Dielectric Constant of Water
  4. Reichardt 2011 — Solvents and Solvent Effects in Organic Chemistry
  5. GESTIS — GESTIS Substance Database — Water
Ethanol (EtOH)
  1. NIST — NIST Chemistry WebBook — Ethanol (CAS 64-17-5)
  2. CRC — CRC Handbook — Ethanol physical constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — Ethanol eluotropic
  4. Smallwood — Handbook of Organic Solvent Properties — Ethanol
  5. GESTIS — GESTIS Substance Database — Ethanol
Methanol (MeOH)
  1. NIST — NIST Chemistry WebBook — Methanol (CAS 67-56-1)
  2. CRC — CRC Handbook — Methanol physical constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — MeOH eluotropic, eo=0.95
  4. GESTIS — GESTIS Substance Database — Methanol
Acetone
  1. NIST — NIST Chemistry WebBook — Acetone (CAS 67-64-1)
  2. CRC — CRC Handbook — Acetone physical & thermodynamic constants
  3. Hansen 2007 — Hansen Solubility Parameters — Acetone (dD=15.5, dP=10.4, dH=7.0)
  4. Smallwood — Handbook of Organic Solvent Properties — Acetone
  5. GESTIS — GESTIS Substance Database — Acetone
Acetonitrile (ACN)
  1. NIST — NIST Chemistry WebBook — Acetonitrile (CAS 75-05-8)
  2. CRC — CRC Handbook — Acetonitrile constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — ACN gold-standard HPLC eluent
  4. Reichardt 2011 — Solvents and Solvent Effects — ACN dipolar aprotic
  5. GESTIS — GESTIS Substance Database — Acetonitrile
DMSO
  1. NIST — NIST Chemistry WebBook — DMSO (CAS 67-68-5)
  2. Wypych 2019 — Handbook of Solvents Vol. 1 — DMSO comprehensive properties
  3. Hansen 2007 — HSP — DMSO (dD=18.4, dP=16.4, dH=10.2)
  4. Reichardt 2011 — Solvents and Solvent Effects — DMSO E_T(30)=45.1, dipolar aprotic
  5. GESTIS — GESTIS Substance Database — DMSO
THF
  1. NIST — NIST Chemistry WebBook — THF (CAS 109-99-9)
  2. Armarego 2009 — Purification of Laboratory Chemicals — THF drying & peroxide test
  3. Hansen 2007 — Hansen Solubility Parameters — THF (dD=16.8, dP=5.7, dH=8.0)
  4. Smallwood — Handbook of Organic Solvent Properties — THF
  5. GESTIS — GESTIS Substance Database — Tetrahydrofuran
DCM (CH₂Cl₂)
  1. NIST — NIST Chemistry WebBook — Dichloromethane (CAS 75-09-2)
  2. IARC 71 — IARC Monograph 71 — DCM (Group 2A carcinogen)
  3. Hansen 2007 — Hansen Solubility Parameters — DCM (dD=18.2, dP=6.3, dH=6.1)
  4. Reichardt 2011 — Solvents and Solvent Effects — DCM polarity index
  5. GESTIS — GESTIS Substance Database — Dichloromethane
Chloroform (CHCl₃)
  1. NIST — NIST Chemistry WebBook — Chloroform (CAS 67-66-3)
  2. IARC 73 — IARC Monograph 73 — Chloroform (Group 2B carcinogen)
  3. Hansen 2007 — Hansen Solubility Parameters — CHCl3 (dD=17.8, dP=3.1, dH=5.7)
  4. Reichardt 2011 — Solvents and Solvent Effects — CHCl3 H-bond donor strength
  5. GESTIS — GESTIS Substance Database — Chloroform
n-Hexane
  1. NIST — NIST Chemistry WebBook — n-Hexane (CAS 110-54-3)
  2. ATSDR n-Hexane — ATSDR Toxicological Profile for n-Hexane — neuropatia obwodowa (n-Heksan NIE jest kancerogenem IARC)
  3. Hansen 2007 — Hansen Solubility Parameters — n-Hexane (dD=14.9, dP=0, dH=0)
  4. Snyder & Kirkland — Modern Liquid Chromatography — n-Hexane NP standard, eo=0.00
  5. GESTIS — GESTIS Substance Database — n-Hexane
Toluene
  1. NIST — NIST Chemistry WebBook — Toluene (CAS 108-88-3)
  2. IARC 71 — IARC Monograph 71 — Toluene
  3. Hansen 2007 — Hansen Solubility Parameters — Toluene (dD=18.0, dP=1.4, dH=2.0)
  4. Smallwood — Handbook of Organic Solvent Properties — Toluene
  5. GESTIS — GESTIS Substance Database — Toluene
溶解性理论（应用于相容性预测）：
  1. Yalkowsky, Samuel H., and Shri C. Valvani. 1980. "Solubility and Partitioning I: Solubility of Nonelectrolytes in Water." Journal of Pharmaceutical Sciences 69 (8): 912–922. https://doi.org/10.1002/jps.2600690814 — General Solubility Equation (GSE): logS = 0.5 − logP − 0.01(MP−25).
  2. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. CRC Press. https://doi.org/10.1201/9781420006834 — HSP三元组（dD, dP, dH）+ Ra公式。
  3. Stefanis, E., and C. Panayiotou. 2008. "Prediction of Hansen Solubility Parameters with a New Group-Contribution Method." Int J Thermophys 29: 568–585. https://doi.org/10.1007/s10765-008-0415-z
  4. Reichardt, Christian, and Thomas Welton. 2011. Solvents and Solvent Effects in Organic Chemistry. 4th ed. Wiley-VCH. https://doi.org/10.1002/9783527632220 — E_T(30) polarity scale, solwatochromia.
  5. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. Introduction to Modern Liquid Chromatography. 3rd ed. Wiley. https://doi.org/10.1002/9780470508183 — Eluotropic series, polarity index.
  6. Van Krevelen, D. W., and K. Te Nijenhuis. 2009. Properties of Polymers. 4th ed. Elsevier. https://doi.org/10.1016/B978-0-08-054819-7.X0001-5 — Hoftyzer–Van Krevelen group contribution dla dD/dP/dH z SMILES.
  7. Marcus, Yizhak. 1998. The Properties of Solvents. Wiley Series in Solution Chemistry, Vol. 4. ISBN 9780471983699 — 250+溶剂的完整表格数据集（ε、μ、供体数、受体数）。
  8. PubChem Compound Database — CAS 57-13-6 lookup ↗ — logP (XLogP3), water solubility experimental + predicted.

完整参考文献位于页面底部的参考文献折叠面板——芝加哥格式手册第17版作者-日期格式。

🧮 实验室计算器（8个） MolGod_LABCALC_1
稀释（C₁V₁=C₂V₂）
摩尔浓度（M=n/V）
pH缓冲液（Henderson-Hasselbalch）
Beer-Lambert（A=εcl）
质量→摩尔
浓度%→M
ppm→mg/L
温度 C↔F↔K

已验证的配方： IUPAC Gold Book ↗, DOI ↗

📊 光谱数据库 MolGod_SPECDB_3
📋 实验室方案生成器 MolGod_PROTOCOL_1

方案基于以下内容生成： GHS SDS, Aldrich Lab Guide ↗

🏷️ 标签生成器（QR码） MolGod_LABEL_1
脲• urea• CAS: 57-13-6• 分子式: CH4N2O• 摩尔质量: 60.056 g/molDH ScientificScience first. Commerce as consequence.批号: 净含量: 生产日期:
Deskryptory Lipinskiego (struktura)
正在加载ADMET预测…
🧪 溶液配制助手（Smart Prep） MolGod_PREP_2

输入您要制备的内容——我将生成SOP

示例如下——点击插入：
预设配方：
📚 科学文献概览 — CAS 57-13-6MolGod_LITHUB_MAIN
⭐ 关键发现（科学文献） 3 出版物
🏆 CAS 57-13-6 — multi-criteria ranking (W12): 30%引用·20%近期性·20%主题·15%历史·15%开放获取.
  1. #1
    Xiong M, Huang S, Sun J et al. (2025) · Sub-cellular biochemistry
    重要性： 近期（2025） · 综述
    SCORE 4.8 综述 DOI ↗ PubMed ↗
  2. #2
    Qiu Z, Jiang T, Shao G et al. (2025) · Sub-cellular biochemistry
    重要性： 近期（2025） · 综述
    SCORE 4 综述 DOI ↗ PubMed ↗
  3. #3
    Huang Z, Yang B (2025) · Sub-cellular biochemistry
    重要性： 近期（2025） · 综述
    SCORE 4 综述 DOI ↗ PubMed ↗
📈 HPLC梯度——优化器（LSS） 模板

基于PubChem XLogP3 + LSS（Snyder等人，2010，第9章）的梯度。

  • 色谱柱: C18
  • 缓冲液: phosphate
  • 流速: 1 mL/min
  • logP: -1.4 (PubChem XLogP3)
  • 斜率: 5% → 95% B, 10 min
  • 总分析时间: 23 min
t (min) %A %B flow (mL/min) 备注
0 95 5 1 开始（平衡）
2 95 5 1 初始保持结束
12 5 95 1 LSS 梯度结束
17 5 95 1 色谱柱清洗
18 95 5 1 返回初始条件
23 95 5 1 再平衡
📚 科学参考文献（芝加哥作者-日期格式）
  1. Snyder, Lloyd R., John W. Dolan, and Joseph J. Kirkland. 2010. Introduction to Modern Liquid Chromatography. Wiley. — Chapter 9 — gradient elution, LSS theory (cited as Snyder et al. 2010 in tool description).
  2. Schoenmakers, Peter J. 1986. Optimization of Chromatographic Selectivity: A Guide to Method Development. Elsevier. — Numerical optimization of gradient programs.
  3. Snyder, L. R., and J. W. Dolan. 2007. High-Performance Gradient Elution: The Practical Application of the Linear-Solvent-Strength Model. Wiley. — Foundational LSS reference for the %B_init = 5 + 8·logP heuristic implemented here.
  4. Nikitas, Pavlos, and Adrian Pappa-Louisi. 2009. "Retention models for isocratic and gradient elution in reversed-phase liquid chromatography." Journal of Chromatography A 1216: 1737-1755. [DOI ↗] — Modern review of gradient retention models — basis for non-LSS extensions.
  5. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772. [DOI ↗]
  6. Dong, Michael W. 2019. HPLC and UHPLC for Practicing Scientists. Wiley. https://doi.org/10.1002/9781119313793. — Modern UHPLC gradient programming, sub-2 µm scaling rules.
  7. Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations." Journal of Separation Science 30: 1167-1182. [DOI ↗]
  8. Stoll, Dwight R., and Peter W. Carr. 2017. "Two-Dimensional Liquid Chromatography: A State of the Art Tutorial." Analytical Chemistry 89: 519-531. [DOI ↗] — Reference for orthogonal gradient design (2D-LC second dimension).
  9. Dolan, John W.. 2013. "When to Modify Method Conditions." LCGC North America 31: 192-199.
  10. Meyer, Veronika R. 2010. Practical High-Performance Liquid Chromatography. Wiley. — Chapter 7 — practical gradient design with isokratyczny scouting.

REST: /wp-json/molgod/v1/hplc/gradient/57-13-6

📐 HPLC峰对称性计算器（USP Tf / As）

根据峰半宽计算USP拖尾因子（Tf）和不对称度（As）。输入在峰高5%或10%处测量的a（左半宽）和b（右半宽）。

📚 参考文献（芝加哥作者-日期格式）
  1. USP General Chapter <621>. 2024. "Chromatography." United States Pharmacopeial Convention. [link ↗] — Defines USP Tailing Factor T = (a+b)/(2a) measured at 5% peak height.
  2. International Council for Harmonisation (ICH). 2023. "Validation of Analytical Procedures Q2(R2)." ICH Expert Working Group. [link ↗] — Tailing factor is a system suitability parameter (Section 6).
  3. Foley, Joe P., and John G. Dorsey. 1983. "Equations for calculation of chromatographic figures of merit for ideal and skewed peaks." Analytical Chemistry 55: 730-737 https://doi.org/10.1021/ac00255a033 [link ↗] — Original asymmetry factor As = b/a at 10% height (Foley & Dorsey 1983).
  4. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. "Introduction to Modern Liquid Chromatography." Wiley. https://doi.org/10.1002/9780470508183 [link ↗] — Chapter 2.4 — peak shape diagnostics and remedies.
  5. Dolan, John W.. 2003. "Peak tailing and resolution." LCGC North America 21: 610-614 [link ↗] — How tailing factor degrades effective resolution.
  6. Vivó-Truyols, Gabriel, and Hans-Gerd Janssen. 2010. "Probabilistic approach to peak deconvolution in chromatography." Analytical Chemistry 82: 8525-8531 https://doi.org/10.1021/ac101742z [link ↗] — Modern numerical deconvolution for asymmetric peaks.
  7. Kromidas, Stavros. 2017. "HPLC Made to Measure: A Practical Handbook for Optimization." Wiley-VCH. — Practical Tf and As thresholds for routine QC.
  8. Dong, Michael W.. 2019. "HPLC and UHPLC for Practicing Scientists." Wiley. https://doi.org/10.1002/9781119313793 [link ↗]
  9. Meyer, Veronika R.. 2010. "Practical High-Performance Liquid Chromatography." Wiley.
  10. Heyden, Yvan Vander, et al.. 2009. "Robustness of pharmaceutical liquid chromatographic methods." Journal of Chromatography B 877: 2120-2129 https://doi.org/10.1016/j.jchromb.2008.10.052 [link ↗]
📊 分辨率和塔板数计算器（Rs, N, H）

计算一对HPLC峰的分辨率Rs、理论塔板数N和HETP（H）。输入保留时间、峰宽（在50%或基线处）和色谱柱长度。

📚 参考文献（芝加哥作者-日期格式）
  1. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. "Introduction to Modern Liquid Chromatography." 3rd ed. John Wiley & Sons. ISBN 978-0-470-16754-0. https://doi.org/10.1002/9780470508183 [link ↗] — Chapter 2 covers resolution, plate count and HETP fundamentals (Snyder et al. 2010).
  2. USP General Chapter <621>. 2024. "Chromatography." USP-NF 2024 ed. United States Pharmacopeial Convention. [link ↗] — Defines Rs >= 1.5 acceptance criterion and N calculation methods.
  3. Dolan, John W.. 2003. "How much resolution is enough?." LCGC North America 21: 350-353 [link ↗] — Practical guidance on Rs targets for routine method development.
  4. Van Deemter, J. J., F. J. Zuiderweg, and A. Klinkenberg. 1956. "Longitudinal diffusion and resistance to mass transfer as causes of nonideality in chromatography." Chemical Engineering Science 5: 271-289 https://doi.org/10.1016/0009-2509(56)80003-1 [link ↗] — Origin of N = 5.54·(tr/w0.5)² half-height plate count formulation.
  5. Giddings, J. Calvin. 1965. "Dynamics of Chromatography, Part I: Principles and Theory." Marcel Dekker. ISBN 978-0-8247-1357-7. — Resolution equation Rs = (1/4)·√N·(α-1)/α·k/(1+k) (master equation).
  6. Foley, Joe P., and John G. Dorsey. 1983. "Equations for calculation of chromatographic figures of merit for ideal and skewed peaks." Analytical Chemistry 55: 730-737 https://doi.org/10.1021/ac00255a033 [link ↗] — Skewed-peak corrections to apparent N.
  7. Knox, John H.. 1977. "Practical aspects of LC theory." Journal of Chromatographic Science 15: 352-364 https://doi.org/10.1093/chromsci/15.9.352 [link ↗]
  8. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772 https://doi.org/10.1016/j.chroma.2008.11.094 [link ↗]
  9. Dong, Michael W.. 2019. "HPLC and UHPLC for Practicing Scientists." 2nd ed. Wiley. ISBN 978-1-119-31378-3. https://doi.org/10.1002/9781119313793 [link ↗]
  10. Meyer, Veronika R.. 2010. "Practical High-Performance Liquid Chromatography." 5th ed. Wiley. ISBN 978-0-470-68218-0.
🧪 系统适用性——实时计算器（USP <621>）

输入5-6次进样的数据（峰面积、保留时间、拖尾因子、塔板数）——计算器将计算%RSD和平均值，并检查是否符合USP <621>。您可以粘贴CSV（逗号分隔）或编辑单个值。

📚 参考文献（芝加哥作者-日期格式）
  1. USP General Chapter <621>. 2024. "Chromatography (System Suitability section)." USP-NF 2024 ed. United States Pharmacopeial Convention. [link ↗] — Defines RSD area < 2%, tailing < 2.0, N > 2000 acceptance criteria.
  2. International Council for Harmonisation (ICH). 2023. "Validation of Analytical Procedures Q2(R2)." ICH Expert Working Group. [link ↗] — Section 5.4 — system suitability is part of method validation.
  3. US Food and Drug Administration (FDA). 2018. "Reviewer Guidance: Validation of Chromatographic Methods." US Food and Drug Administration. [link ↗] — CDER reviewer perspective on chromatographic validation expectations.
  4. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. "Introduction to Modern Liquid Chromatography." 3rd ed. Wiley. — Chapter 2 — system suitability fundamentals (RSD, Tf, N).
  5. Heyden, Yvan Vander, et al.. 2009. "Robustness of pharmaceutical liquid chromatographic methods." — Robustness vs. system suitability — design-of-experiments framework.
  6. Rozet, Eric, et al.. 2013. "Analysis of recent pharmaceutical regulatory documents on analytical method validation."
  7. European Medicines Agency (EMA). 2011. "Guideline on bioanalytical method validation EMEA/CHMP/EWP/192217/2009." EMA. [link ↗] — EMA companion guideline with bioanalytical SS criteria.
  8. Dong, Michael W.. 2019. "HPLC and UHPLC for Practicing Scientists." 2nd ed. Wiley. — UHPLC-specific suitability adjustments (n=5 vs. n=6).
  9. Kazakevich, Yuri V., and Rosario LoBrutto, eds.. 2007. "HPLC for Pharmaceutical Scientists." Wiley-Interscience.
  10. AOAC International. 2016. "Appendix F: Guidelines for Standard Method Performance Requirements." AOAC INTERNATIONAL. [link ↗] — Alternative SS thresholds for food/dietary samples.
💎 晶型/多晶型 数据库中 1 种晶型 MolGod_POLYMORPH_2
晶型 空间群 晶胞参数 (Å, °) 密度（g/cm³） 熔点 (°C) CCDC
tetragonal 稳定 P-421m a=5.662 b=5.662 c=4.712 · α=90 β=90 γ=90 · Z=2 1.337 133.0 UREAXX12 DOI

来源：剑桥结构数据库 (CSD) + 原始文献。多晶型影响溶解性、生物利用度和稳定性 (Brittain 2009; Bernstein 2020)。

扩展参考文献——3个来源（PubMed/CrossRef/EuropePMC）
  • PUBPradhan NP; Nagrale PK; Lal B; Dhasmana Y; Chopra D; Srivastava A. 2026. "Chlorination-Enhanced H(+)/Cl(-) Co-Transport by Tyramine-Urea Conjugates." Chemistry, an Asian journal. https://doi.org/10.1002/asia.70451.
  • PUBDutta S; Dwivedi S; Haridas V. 2025. "Phenyl Urea as an Aglet for Stabilizing Trans Proline: A Mimic of Ile-Phe Zipper." Chembiochem : a European journal of chemical biology. https://doi.org/10.1002/cbic.202500476.
  • PUBIşilar Ö; Bulut A; Tombul M; Güner A; Şahin O. 2025. "Urea-sugar and thiourea-sugar diastereomers: synthesis, crystal structure and biological activities." Future medicinal chemistry. https://doi.org/10.1080/17568919.2025.2504328.
📚 科学参考文献 (芝加哥作者-日期格式)
  1. Pradhan NP; Nagrale PK; Lal B; Dhasmana Y; Chopra D; Srivastava A. 2026. "Chlorination-Enhanced H(+)/Cl(-) Co-Transport by Tyramine-Urea Conjugates." Chemistry, an Asian journal. https://doi.org/10.1002/asia.70451. [DOI]
  2. Dutta S; Dwivedi S; Haridas V. 2025. "Phenyl Urea as an Aglet for Stabilizing Trans Proline: A Mimic of Ile-Phe Zipper." Chembiochem : a European journal of chemical biology. https://doi.org/10.1002/cbic.202500476. [DOI]
  3. Işilar Ö; Bulut A; Tombul M; Güner A; Şahin O. 2025. "Urea-sugar and thiourea-sugar diastereomers: synthesis, crystal structure and biological activities." Future medicinal chemistry. https://doi.org/10.1080/17568919.2025.2504328. [DOI]
  4. Souza JS; Giglio BM; Lobo PCB; Araújo VA; Pimentel GD. 2024. "Weak association between urea-creatinine ratio and c-reactive protein with nutritional risk in hospitalized patients with COVID-19: A cross-sectional study." Clinical nutrition ESPEN. https://doi.org/10.1016/j.clnesp.2024.07.1053. [tło tematyczne — CAS niezweryfikowany w tej publikacji] [DOI]
  5. Newman, David J., and Gordon M. Cragg. 2020. "Natural Products as Sources of New Drugs over the Nearly Four Decades from 01/1981 to 09/2019." Journal of Natural Products 83 (3): 770-803.
  6. Macrae, Clare F., Ioana Sovago, Simon J. Cottrell, et al. 2020. "Mercury 4.0: from visualization to analysis, design and prediction." Journal of Applied Crystallography 53 (1): 226-235. https://doi.org/10.1107/S1600576719014092.
  7. International Conference on Harmonisation. 2017. "ICH Q6A: Specifications: Test Procedures and Acceptance Criteria for New Drug Substances and New Drug Products." Geneva: ICH. https://www.ich.org/page/quality-guidelines.
  8. Groom, Colin R., Ian J. Bruno, Matthew P. Lightfoot, and Suzanna C. Ward. 2016. "The Cambridge Structural Database." Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials 72 (2): 171-179.
  9. Davies, Mark, Michał Nowotka, George Papadatos, et al. 2015. "ChEMBL Web Services: Streamlining Access to Drug Discovery Data and Utilities." Nucleic Acids Research 43 (W1): W612-W620.
  10. Price, Sarah L. 2014. "Predicting crystal structures of organic compounds." Chemical Society Reviews 43 (7): 2098-2111. https://doi.org/10.1039/C3CS60279F.
  11. Hann, Michael M. 2011. "Molecular Obesity, Potency and Other Addictions in Drug Discovery." MedChemComm 2 (5): 349-355.
  12. Yu, Lian. 2010. "Polymorphism in molecular solids: an extraordinary system of red, orange, and yellow crystals." Accounts of Chemical Research 43 (9): 1257-1266. https://doi.org/10.1021/ar100040r.
  13. Spek, Anthony L. 2009. "Structure validation in chemical crystallography." Acta Crystallographica D 65 (2): 148-155. https://doi.org/10.1107/S090744490804362X.
  14. Sheldrick, George M. 2008. "A short history of SHELX." Acta Crystallographica A 64 (1): 112-122. https://doi.org/10.1107/S0108767307043930.
  15. Florence, Alastair J. 2008. "Approaches to high-throughput physical form screening and discovery." In Polymorphism: in the Pharmaceutical Industry, edited by Rolf Hilfiker, 139-184. Weinheim: Wiley-VCH.
  16. Leeson, Paul D., and Brian Springthorpe. 2007. "The Influence of Drug-Like Concepts on Decision-Making in Medicinal Chemistry." Nature Reviews Drug Discovery 6 (11): 881-890.
  17. Bond, Andrew D., Roland Boese, and Gautam R. Desiraju. 2007. "On the polymorphism of aspirin: crystalline aspirin as intergrowths of two polymorphic domains." Angewandte Chemie International Edition 46 (4): 618-622. https://doi.org/10.1002/anie.200603373.
  18. Hilfiker, Rolf, ed. 2006. Polymorphism in the Pharmaceutical Industry. Weinheim: Wiley-VCH.
  19. Singhal, Dharmendra, and William Curatolo. 2004. "Drug Polymorphism and Dosage Form Design: A Practical Perspective." Advanced Drug Delivery Reviews 56 (3): 335-347.
  20. Datta, Sapan, and David J. W. Grant. 2004. "Crystal structures of drugs: advances in determination, prediction and engineering." Nature Reviews Drug Discovery 3 (1): 42-57. https://doi.org/10.1038/nrd1280.
  21. Allen, Frank H. 2002. "The Cambridge Structural Database: a quarter of a million crystal structures and rising." Acta Crystallographica B 58 (3): 380-388. https://doi.org/10.1107/S0108768102003890.
  22. Bauer, Jeffery, Stephen Spanton, Rodger Henry, et al. 2001. "Ritonavir: an extraordinary example of conformational polymorphism." Pharmaceutical Research 18 (6): 859-866. https://doi.org/10.1023/A:1011052932607.
  23. Vippagunta, Sudha R., Harry G. Brittain, and David J. W. Grant. 2001. "Crystalline solids." Advanced Drug Delivery Reviews 48 (1): 3-26. https://doi.org/10.1016/S0169-409X(01)00097-7.
  24. Mullin, John W. 2001. Crystallization. 4th ed. Oxford: Butterworth-Heinemann.
  25. Chemburkar, Sanjay R., Jeffery Bauer, Klaus Deming, et al. 2000. "Dealing with the impact of ritonavir polymorphs on the late stages of bulk drug process development." Organic Process Research & Development 4 (5): 413-417. https://doi.org/10.1021/op000023y.
  26. Davey, Roger J., and John Garside. 2000. From Molecules to Crystallizers: An Introduction to Crystallization. Oxford Chemistry Primer 86. Oxford: Oxford University Press.
  27. U.S. Food and Drug Administration. 2000. "Guidance for Industry — Q6A Specifications: Test Procedures and Acceptance Criteria for New Drug Substances and New Drug Products: Chemical Substances." Silver Spring, MD: FDA. https://www.fda.gov/media/71361/download.
  28. Bernstein, Joel, and Anthony L. Henck. 1998. "Disappearing and Reappearing Polymorphs — An Anathema to Crystal Engineering?" Crystal Engineering 1 (2): 119-125.
  29. Threlfall, Terence L. 1995. "Analysis of organic polymorphs: a review." The Analyst 120 (10): 2435-2460. https://doi.org/10.1039/AN9952002435.
  30. Desiraju, Gautam R. 1995. "Supramolecular synthons in crystal engineering — a new organic synthesis." Angewandte Chemie International Edition 34 (21): 2311-2327. https://doi.org/10.1002/anie.199523111.
  31. Bürgi, Hans-Beat, and Jack D. Dunitz, eds. 1994. Structure Correlation. 2 vols. Weinheim: VCH.
  32. Gavezzotti, Angelo. 1994. "Are crystal structures predictable?" Accounts of Chemical Research 27 (10): 309-314. https://doi.org/10.1021/ar00046a004.
  33. Etter, Margaret C. 1990. "Encoding and decoding hydrogen-bond patterns of organic compounds." Accounts of Chemical Research 23 (4): 120-126. https://doi.org/10.1021/ar00172a005.
  34. Burger, Artur, and Rudolf Ramberger. 1979. "On the polymorphism of pharmaceuticals and other molecular crystals. I. Theory of thermodynamic rules." Mikrochimica Acta 72 (3-4): 259-271. https://doi.org/10.1007/BF01197379.
  35. Haleblian, John, and Walter McCrone. 1969. "Pharmaceutical applications of polymorphism." Journal of Pharmaceutical Sciences 58 (8): 911-929. https://doi.org/10.1002/jps.2600580802.
  36. McCrone, Walter C. 1965. "Polymorphism." In Physics and Chemistry of the Organic Solid State, edited by David Fox, Mortimer M. Labes, and Arnold Weissberger, vol. 2, 725-767. New York: Interscience.
  37. Ostwald, Wilhelm. 1897. "Studien über die Bildung und Umwandlung fester Körper." Zeitschrift für Physikalische Chemie 22: 289-330.
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📚 参考文献（综合书目，芝加哥作者-日期格式） 125 条目

以上折叠面板中针对CAS号57-13-6引用的所有科学来源。格式： 《芝加哥格式手册》第17版，作者-日期系统.

🗄️ 科学数据库

  1. NIST. n.d. NIST Chemistry WebBook: CAS 57-13-6. Gaithersburg, MD: National Institute of Standards and Technology. https://webbook.nist.gov/cgi/cbook.cgi?ID=57-13-6.
  2. AIST. n.d. Spectral Database for Organic Compounds (SDBS): CAS 57-13-6. Tsukuba, Japan: National Institute of Advanced Industrial Science and Technology. https://sdbs.db.aist.go.jp/.
  3. PubChem. n.d. PubChem Compound Summary: CAS 57-13-6. Bethesda, MD: National Center for Biotechnology Information (NCBI), National Library of Medicine. https://pubchem.ncbi.nlm.nih.gov/#query=57-13-6.
  4. U.S. EPA. n.d. CompTox Chemicals Dashboard: CAS 57-13-6. Research Triangle Park, NC: U.S. Environmental Protection Agency. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4021426.

📐 标准/指南

  1. ICH. 2003. "Stability Testing of New Drug Substances and Products: Q1A(R2)." Geneva: International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use. https://database.ich.org/sites/default/files/Q1A%28R2%29%20Guideline.pdf.
  2. National Fire Protection Association (NFPA). 2024. "NFPA 30: Flammable and Combustible Liquids Code." NFPA, Quincy, MA. https://www.nfpa.org/codes-and-standards/all-codes-and-standards/list-of-codes-and-standards/detail?code=30.
  3. Occupational Safety and Health Administration (OSHA). 2023. "29 CFR 1910.106 — Flammable Liquids." U.S. Department of Labor, Federal Register. https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.106.
  4. European Chemicals Agency (ECHA). 2024. "Annex VI to Regulation (EC) No 1272/2008 (CLP) — Harmonised Classification and Labelling." ECHA, Helsinki / Official Journal of the European Union. https://echa.europa.eu/regulations/clp/clp-classification.
  5. European Committee for Standardization (CEN). 2016. "EN 374-1:2016 — Protective gloves against dangerous chemicals and micro-organisms — Part 1: Terminology and performance requirements for chemical risks." CEN, Brussels. https://standards.cencenelec.eu/dyn/www/f?p=205:110:::::FSP_PROJECT,FSP_ORG_ID:38536,6080&cs=1B0DAA8B85DF42E4A2C70E5D71F0BFA32.
  6. European Committee for Standardization (CEN). 2001. "EN 166:2001 — Personal eye-protection — Specifications." CEN, Brussels. https://standards.cencenelec.eu/dyn/www/f?p=CEN:110:0::::FSP_PROJECT:6541&cs=1F1A4E0A78C4DB6A28DBE2E8C29D89DCF.
  7. European Committee for Standardization (CEN). 2009. "EN 14605:2005+A1:2009 — Protective clothing against liquid chemicals — Performance requirements for clothing with liquid-tight (Type 3) or spray-tight (Type 4) connections." CEN, Brussels. https://standards.cencenelec.eu/dyn/www/f?p=CEN:110:0::::FSP_PROJECT:21581&cs=1A04A2D3C7CC58E9E6CB58D55F7EBFB7E.
  8. National Institute for Occupational Safety and Health (NIOSH). 2017. "Recommendations for Chemical Protective Clothing: A Companion to the NIOSH Pocket Guide." U.S. Department of Health & Human Services / CDC. https://www.cdc.gov/niosh/ncpc/default.html.
  9. Occupational Safety and Health Administration (OSHA). 2011. "Personal Protective Equipment — General requirements." U.S. Department of Labor — 29 CFR 1910.132. https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.132.

📖 书籍

  1. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook, 2nd ed.. Boca Raton, FL: CRC Press. https://www.routledge.com/Hansen-Solubility-Parameters-A-Users-Handbook/Hansen/p/book/9780849372483.
  2. Barton, Allan F. M. 1991. CRC Handbook of Solubility Parameters and Other Cohesion Parameters: 2nd ed.. Boca Raton, FL: CRC Press. https://www.routledge.com/CRC-Handbook-of-Solubility-Parameters-and-Other-Cohesion-Parameters/Barton/p/book/9780849301766.
  3. Connors, Kenneth A., Gordon L. Amidon, and Valentino J. Stella. 1986. Chemical Stability of Pharmaceuticals: A Handbook for Pharmacists, 2nd ed.. New York: Wiley. https://doi.org/10.1002/0471734683.
  4. Rumble, John R., ed. 2019. CRC Handbook of Chemistry and Physics: 100th Edition. Boca Raton, FL: CRC Press. https://hbcp.chemnetbase.com/.
  5. Urben, Peter G. 2017. Bretherick's Handbook of Reactive Chemical Hazards, 8th Edition. Academic Press / Elsevier, Oxford. https://www.sciencedirect.com/book/9780081010594.

📄 科学文章（同行评审）

  1. Stefanis, Emmanuel, and Costas Panayiotou. 2008. "Prediction of Hansen Solubility Parameters with a New Group-Contribution Method." International Journal of Thermophysics 29: 568-585. https://doi.org/10.1007/s10765-008-0415-z.
  2. Stoll, Vincent S., and John S. Blanchard. 1990. "Buffers: Principles and Practice: In Methods in Enzymology, vol. 182." San Diego: Academic Press. https://doi.org/10.1016/0076-6879(90)82008-P.

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  3. ECHA. 2023. "Candidate List of Substances of Very High Concern for Authorisation." European Chemicals Agency. https://echa.europa.eu/candidate-list-table.
  4. European Parliament. 2008. "Regulation (EC) No 1272/2008 on Classification, Labelling and Packaging of Substances and Mixtures (CLP)." Official Journal of the European Union L 353: 1–1355.
  5. ECHA. 2017. "Guidance on the Compilation of Safety Data Sheets." Version 3.1. European Chemicals Agency. ECHA-17-G-01-EN. https://echa.europa.eu/documents/10162/23047722/sds_en.pdf.
  6. ECHA. 2022. "Restrictions Under REACH — Annex XVII." European Chemicals Agency. https://echa.europa.eu/substances-restricted-under-reach.
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  8. ECHA. 2020. "Understanding REACH." European Chemicals Agency. https://echa.europa.eu/regulations/reach/understanding-reach.
  9. U.S. Occupational Safety and Health Administration (2024) — 29 CFR 1910.120 — Hazardous Waste Operations and Emergency Response (HAZWOPER) https://www.osha.gov/hazwoper.
  10. National Fire Protection Association (2018) — NFPA 472: Standard for Competence of Responders to Hazardous Materials/Weapons of Mass Destruction Incidents https://www.nfpa.org/codes-and-standards/nfpa-472.
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Opis

Odczynnik chemiczny do zastosowan laboratoryjnych. CAS 57-13-6.