30122
L-Cysteine hydrochloride monohydrate
tested according to Ph. Eur.
Synonym(s):
Cysteini hydrochloridum monohydricum
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About This Item
Linear Formula:
HSCH2CH(NH2)COOH · HCl · H2O
CAS Number:
Molecular Weight:
175.63
UNSPSC Code:
12352209
PubChem Substance ID:
eCl@ss:
32160406
EC Number:
200-157-7
Beilstein/REAXYS Number:
5158059
MDL number:
Quality Segment
agency
USP/NF, tested according to Ph. Eur.
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
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.
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Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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