Cat. No JKB08011_25_G
J&K Chemical

Product Information

Product Name
L-Cysteine hydrochloride monohydrate, 99%
Brand Name
J&K
Product Number
274285
CAS
7048-04-6
Molecular Formula
C3H7NO2S·HCl·H2O
Molecular Weight
175.63
SDS Document
Certificate of Analysis (COA)​
COA not found

General Information

Synonyms
L-Cys-OH·HCl·H2O
PubChem CID
23462
IUPAC Name
(2R)-2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride
InChI Key
QIJRTFXNRTXDIP-JIZZDEOASA-N
SMILES
C(C@@H(C(=O)O)N)S.O.Cl

Properties

Optical Activity
+4° to +8° (C=1, 1 N HCl)

Safety Information

GHS Symbols
Hazard Symbol
Signal Word
Warning
Hazard Statement
H315
H319
H335
Precautionary Statement
P280
P321
P261
P271
P319
P405
P501
P302+P352
P332+P317
P362+P364
P264+P265
P305+P351+P338
P337+P317
P304+P340
P403+P233

References Data Source From Pubchem

Dynamic response by commensal E. coli two-component system Cpx contributes to C. elegans development

Publication Name: BMC Biology
Publication Date: 2026-02-03
DOI: 10.1186/s12915-026-02513-x

Noninvasive, Fluorescence-Based Detection of Perturbations in the Thiol-Redox Homeostasis of Bloodstream Trypanosoma brucei brucei

Publication Name: Methods in molecular biology (Clifton, N.J.)
Publication Date: 2026
DOI: 10.1007/978-1-0716-5146-9_20

CRISPR screens in human neural organoids and assembloids

Publication Name: Nature Protocols
Publication Date: 2025-12-19
DOI: 10.1038/s41596-025-01299-6

Exploring ionic behavior: conductance studies of L-glutamic acid in aqueous D-sorbitol across temperature gradients

Publication Name: BMC Chemistry
Publication Date: 2025-12-01
DOI: 10.1186/s13065-025-01691-z

Evaluating Prebiotic Potential

Publication Name: Methods and Protocols in Food Science
Publication Date: 2025-10-28
DOI: 10.1007/978-1-0716-4989-3_12

L-Cysteine hydrochloride monohydrate, 99%

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