30122

L-Cysteine hydrochloride monohydrate

tested according to Ph. Eur.

• Synonym(s): Cysteini hydrochloridum monohydricum
• Linear Formula: HSCH₂CH(NH₂)COOH · HCl · H₂O
• CAS Number: 7048-04-6
• Molecular Weight: 175.63
• Beilstein: 5158059
• EC Number: 200-157-7
• MDL number: MFCD00065606
• UNSPSC Code: 12352209
• eCl@ss: 32160406
• PubChem Substance ID: 329753438

Properties

• Agency: USP/NF; tested according to Ph. Eur.
• Quality Level: 100
• Assay: 98.5-101.0%
• form: solid
• mp: 176 °C
• solubility: H₂O: soluble 100 g/L at 25 °C
• application(s): pharmaceutical (small molecule)
• SMILES string: 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

Description

Application

L-Cysteine hydrochloride monohydrate was used in the synthesis of polycarbophil-cysteine conjugate.

Biochem/physiol Actions

Cysteine is a non-essential, thiol-containing amino acid that has protective effects in normal tissues. It is converted to glutathione that decreases the effects of chemotherapeutic and radiation agents. This might restrict the effect of therapeutic agents used for cancer treatment.

NMDA glutamatergic receptor antagonist.

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves