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- Purity
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CAS Number: 52-90-4
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CAS Number
52-90-4
PubChem CID
5862
Molecular Formula
C3H7NO2S
Molecular Weight
121.16 g/mol
Exact Mass
121.01975
InChIKey
XUJNEKJLAYXESH-REOHCLBHSA-N
IUPAC Name
(2R)-2-amino-3-sulfanylpropanoic acid
SMILES String
C([C@@H](C(=O)O)N)S
No physical property values available.
Vapor Pressure
Estimated very low; unit not specified
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Structural features
L-(+)-Cysteine (CAS 52-90-4) is listed in the Pharmaceutical Intermediates portfolio, with molecular formula C3H7NO2S and molecular weight 121. 16 g/mol.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Intended for research-stage medicinal chemistry and intermediate synthesis workflows.
Documentation needs
COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.
ChEMBL reports experimental activity evidence for: Prostaglandin G/H synthase 1 (Homo sapiens) — 2 assays; Cystine/glutamate transporter (Homo sapiens) — 4 assays; Glutathione S-transferase kappa 1 (Homo sapiens) — 6 assays; Alpha-1A adrenergic receptor (Homo sapiens) — 2 assays; Muscarinic acetylcholine receptor M1 (Homo sapiens) — 2 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.
Prostaglandin G/H synthase 1
Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents · best pChEMBL 5.33
Experimental evidence source: ChEMBL
Cystine/glutamate transporter
Homo sapiens · SINGLE PROTEIN · 4 qualifying assays · 3 documents · best pChEMBL 4.23
Experimental evidence source: ChEMBL
Glutathione S-transferase kappa 1
Homo sapiens · SINGLE PROTEIN · 6 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
Alpha-1A adrenergic receptor
Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
Muscarinic acetylcholine receptor M1
Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
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Preliminary Safety Reference
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Safety Reference / SDS RequestCatalog navigation
Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.
L-(+)-Cysteine is identified by CAS 52-90-4, with molecular formula C3H7NO2S, molecular weight 121.16, InChIKey XUJNEKJLAYXESH-REOHCLBHSA-N.
ChEMBL contains qualifying experimental assay evidence associated with Prostaglandin G/H synthase 1, Cystine/glutamate transporter, Glutathione S-transferase kappa 1, Alpha-1A adrenergic receptor, Muscarinic acetylcholine receptor M1. These records do not establish therapeutic efficacy or clinical use.
Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.
Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.
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