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Home/Compounds/Research Reagent/D-Cysteine hydrochloride
C3H8ClNO2S
157.62 g/mol
Research ReagentWarning

D-Cysteine hydrochloride

CAS32443-99-5EC251-043-9
Category
Research Reagent
Compound Class
Amine
Primary Use
Research Compound

D-Cysteine hydrochloride is a salt form of the D-isomer of the amino acid cysteine, commonly used as a research compound in biochemical and pharmaceutical studies.

laboratory reagent for researchbuilding block in peptide synthesisreference standard in analytical chemistry

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

StrongSame Parent

D-cysteine zwitterion

CAS921-01-7

research compound

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Trideuterio(deuteriooxy)(113C)methane

CAS32479-98-4

research compound

ReferenceSame Category

3-METHOXYFURAN-2-CARBALDEHYDE

CAS32487-58-4

research compound

Referencestereoisomer of

Cysteine hydrochloride

CAS52-89-1

dough conditioner and nutritional supplement

Referencestereoisomer of

L-Cysteine

CAS52-90-4

Flavor and nutrition additive

Referencestereoisomer of

Cysteine hydrochloride monohydrate

CAS7048-04-6

flavor enhancer and nutritional supplement

Safety Reference

Harmful
Harmful
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Identifiers
IUPAC Name

(2S)-2-amino-3-sulfanylpropanoic acid;hydrochloride

InChIKey

IFQSXNOEEPCSLW-HSHFZTNMSA-N

SMILES

C([C@H](C(=O)O)N)S.Cl

Synonyms (12)
  • D-CYSTEINE HCL
  • D-Cys-OH.HCl
  • D-Cysteine hydrochloride
  • H-D-Cys-OH H2O HCl
  • H-D-Cys-OH HCl H
  • H-D-Cys-OH.HCl
  • H-D-Cys-OH.HCl.H2O