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About This Item
Linear Formula:
HSCH2CH(NH2)COOH · HCl · H2O
CAS Number:
Molecular Weight:
175.63
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
5158059
Product Name
L-Cysteine hydrochloride, United States Pharmacopeia (USP) Reference Standard
InChI
1S/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2/t2-;;/m0../s1
SMILES string
O.Cl.N[C@@H](CS)C(O)=O
InChI key
QIJRTFXNRTXDIP-JIZZDEOASA-N
grade
pharmaceutical primary standard
API family
cysteine
form
powder
manufacturer/tradename
USP
solubility
water: 100 g/L at 25 °C
application(s)
pharmaceutical (small molecule)
format
neat
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Analysis Note
These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.
Application
L-Cysteine hydrochloride USP reference standard intended for use in specified quality tests and assays.
Also used to prepare standard stock solution during the assay and impurity analysis of Cysteine Hydrochloride and Cysteine Hydrochloride Injection.
Also used to prepare standard stock solution during the assay and impurity analysis of Cysteine Hydrochloride and Cysteine Hydrochloride Injection.
Biochem/physiol Actions
NMDA glutamatergic receptor antagonist.
General description
This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.
Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Find documentation for the products that you have recently purchased in the Document Library.
Cysteine Hydrochloride
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 42(1), 1221-1221 (2023)
Cysteine Hydrochloride Injection
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 1222-1222 (2018)
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