L-(+)-Cysteine
Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
CAS Number
52-90-4
Chemical name
L-(+)-Cysteine
Molecular formula
C3H7NO2S
Molecular weight
121.16 g/mol
Synonyms
L-cysteine; cysteine; Cystein; Thioserine; Half-cystine; (R)-2-Amino-3-mercaptopropanoic acid; beta-Mercaptoalanine; L-Cystein; Cysteinum; L-Cys; cisteina; Half cystine
InChIKey
XUJNEKJLAYXESH-REOHCLBHSA-N
PubChem CID
5862
Signal word
Warning
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H302
Catalog reference cue; confirm supplier documentation before use.
Vapor Pressure
Estimated very low; unit not specified
Catalog reference value; verify against supplier SDS before use.
XLogP
-2.5
Catalog reference value; verify against supplier SDS before use.
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.