1.02735

L-システイン 塩酸塩 一水和物

EMPROVE^® EXPERT, Ph. Eur., JP, USP

• 別名: Cys, L-Cysteinium Chloride Monohydrate, L-Cysteine Hydrochloride, Monohydrate
• 化学式: HSCH₂CH(NH₂)COOH · HCl · H₂O
• CAS番号: 7048-04-6
• 分子量: 175.63
• Beilstein: 5158059
• MDL番号: MFCD00065606
• UNSPSCコード: 12352209
• EC Index Number: 200-157-7

特性

• 認証: JP; Ph. Eur.; USP
• 品質水準: 500
• 蒸気圧: <0.1 hPa ( 20 °C)
• 製品種目: EMPROVE^® EXPERT
• アッセイ: 98.5-101.0% dry basis (alkalimetric)
• 形状: crystalline powder
• pH: 0.8-1.2 (20 °C, 100 g/L in H₂O)
• mp: 168-170 °C
• 溶解性: 650 g/L
• 密度: 1.54 g/cm³
• かさ密度: 780 kg/m³
• 微量陰イオン: sulfate (SO₄^2-): ≤300 ppm
• 微量陽イオン: Fe: ≤20 ppm; heavy metals (as Pb): ≤10 ppm
• 保管温度: 2-30°C
• SMILES記法: O.Cl.N[C@@H](CS)C(O)=O
• InChI: 1S/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2/t2-;;/m0../s1
• InChI Key: QIJRTFXNRTXDIP-JIZZDEOASA-N

詳細

詳細

Our SAFC^® portfolio of high-quality products for biopharmaceutical processing withstands strict quality control procedures and is produced according to MQ-500 requirements as defined by the M-Clarity program.

M-Clarity Program

As part of our EMPROVE^® Program, our raw materials are offered with EMPROVE^® Dossiers which provide comprehensive, up-to-date documentation to help you navigate regulatory challenges, manage risks, and improve your manufacturing processes.

Our comprehensive portfolio of upstream process chemicals not only provides biopharmaceutical manufacturers with high-quality raw materials for production of classical and novel therapies, but also helps them get to market faster and simplify regulatory challenges. Trust us to deliver supply chain transparency and reliable sourcing around the globe, streamlining your product qualification with best-in-class regulatory support and service.

生物化学的／生理学的作用

N-メチル-D-アスパラギン酸(NMDA)型グルタミン酸作動性受容体のアゴニストです。

アナリシスノート

Assay (alkalimetric, calculated on dried substance): 98.5 - 101.0 %
Identity (IR-spectrum): passes test
Identity (Chloride): passes test
Appearance: white to almost white crystalline powder or colorless crystals
Appearance of solution (25 g/l, water): clear and not more intense in color than reference solution BY₆
Spec. rotation (α 20/D, 80 g/l, hydrochloric acid 250 g/l, calc. on dried substance): +5.5 to +7.0
Spec. rotation (α 25/D, 80 g/l, hydrochloric acid 6 mol/l, calc. on dried substance): +5.7 to +6.8
Sulfate (SO₄): ≤ 300 ppm
Heavy metals (as Pb): ≤ 10 ppm
Fe (Iron): ≤ 20 ppm
Related Compounds, total (TLC): ≤ 0.5 %
Ninhydrin-positive substances (LC)(impurity A (570 nm)): ≤ 0.5 %
Ninhydrin-positive substances (LC)(any ninhydrin-positive impurity): ≤ 0.2 %
Ninhydrin-positive substances (LC) (ammonium (570 nm)): ≤ 0.02 %
Ninhydrin-positive substances (LC)(total impurities): ≤ 1.0 %
Residual solvents (ICH Q3C): excluded by manufacturing proces
Sulfated ash (600 °C): ≤ 0.1 %
Loss on drying (Vacuum < 0.7 kPa, P₂O₅, 24 h): 8.0 - 12.0 %
Bacterial endotoxins: ≤ 6.0 I.U./g
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Corresponds to Ph. Eur., USP.

法的情報

Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany

SAFC is a registered trademark of Merck KGaA, Darmstadt, Germany

安全性情報

• 保管分類コード: 11 - Combustible Solids
• WGK: WGK 1
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable