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1161509

USP

L-Cysteine hydrochloride

United States Pharmacopeia (USP) Reference Standard

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Synonym(s):
L-Cysteine hydrochloride monohydrate
Linear Formula:
HSCH2CH(NH2)COOH · HCl · H2O
CAS Number:
Molecular Weight:
175.63
Beilstein/REAXYS Number:
5158059
MDL number:
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

form

powder

manufacturer/tradename

USP

solubility

water: 100 g/L at 25 °C

application(s)

pharmaceutical (small molecule)

format

neat

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

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This Item
PHR1102C685230122
L-Cysteine hydrochloride United States Pharmacopeia (USP) Reference Standard

1161509

L-Cysteine hydrochloride

grade

pharmaceutical primary standard

grade

certified reference material, pharmaceutical secondary standard

grade

-

grade

-

format

neat

format

neat

format

-

format

-

application(s)

pharmaceutical (small molecule)

application(s)

pharmaceutical (small molecule)

application(s)

pharmaceutical (small molecule)

application(s)

pharmaceutical (small molecule)

form

powder

form

-

form

powder or crystals

form

solid

solubility

water: 100 g/L at 25 °C

solubility

-

solubility

water: 1 g/10 mL, clear, colorless

solubility

H2O: soluble 100 g/L at 25 °C

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.

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.

Biochem/physiol Actions

NMDA glutamatergic receptor antagonist.

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.  ​

Other Notes

USP issued SDS can be found here.
Sales restrictions may apply.

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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