L-Cysteine hydrochloride hydrate , 99% , 345909-32-2

CAS NO.：345909-32-2

Empirical Formula: C3H10ClNO3S

Molecular Weight: 175.634

MDL number: MFCD00065606

EINECS: 629-054-9

PRODUCT Properties

• storage temp.: 2-8°C
• form: solid
• color: white
• optical activity: [α]23/D +5.2°, c = 2 in 5 M HCl
• Major Application: peptide synthesis
• InChI: 1S/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2/t2-;;/m0../s1
• InChIKey: QIJRTFXNRTXDIP-JIZZDEOASA-N
• SMILES: Cl[H].[H]O[H].N[C@@H](CS)C(O)=O

Description and Uses

is the Hydrated form of L-Cysteine(C995000). L-Cysteine is a non-essential amino acid that can be synthesized by the human body under normal physiological conditions if a sufficient quantity of methionine is available. L-Cysteine is commonly used as a precursor in the food and pharmaceutical industries. L-Cysteine is used as a processing aid for baking, as an additive in cigarettes, as well as in the preparation of meat flavours. Acetylcysteine EP Impurity B

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P261-P264-P271-P280-P302+P352-P305+P351+P338
• target organs: Respiratory system
• PPE: dust mask type N95 (US), Eyeshields, Gloves
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-36-26/36
• WGK Germany: 3
• HS Code: 29309090
• Storage Class: 11 - Combustible Solids
• Hazard Classifications: Eye Irrit. 2; Skin Irrit. 2; STOT SE 3