API reference

L CYSTEINE HCl

CAS number
52-90-4
Molecular formula
C3H7NO2S
Molecular weight
121.16 g/mol
L CYSTEINE HCl — 2D structure
2D structure (PubChem)

About this molecule

Cysteine is a non-essential sulfur-containing amino acid in humans, related to cystine, Cysteine is important for protein synthesis, detoxification, and diverse metabolic functions. Found in beta-keratin, the main protein in nails, skin, and hair, Cysteine is important in collagen production, as well as skin elasticity and texture. Also required in the manufacture of amino acid taurine, Cysteine is a component of the antioxidant glutathione, and plays a role in the metabolism of essential biochemicals such as coenzyme A, heparin, and biotin. (NCI04)

Source: NCI Thesaurus (NCIt), via PubChem.

Identifiers

IUPAC name
(2R)-2-amino-3-sulfanylpropanoic acid
InChIKey
XUJNEKJLAYXESH-REOHCLBHSA-N
SMILES
C([C@@H](C(=O)O)N)S
Other CAS numbers recorded
202114-66-7 · 4371-52-2
PubChem CID
5862

Also known as

L-cysteine · cysteine · Cystein · Thioserine · (R)-2-Amino-3-mercaptopropanoic acid · Half-cystine · L-(+)-Cysteine · L-Cystein

Chemical data on this page is drawn from PubChem (National Library of Medicine) and is provided for identification only. Hanpars does not hold stock of every substance listed; availability, grade, documentation and regulatory status are confirmed per enquiry.

Tell us the grade, the quantity and the market.

Send the molecule or ingredient, the specification and the destination. We reply from Tehran with the questions, the documents and the next step.

Telephone+98 21 8888 3325 · office hours 09:00–17:00, Tehran
OfficeHaniya Parsan Darou, 3rd floor, No. 326, Zafar Street, Africa Boulevard, Tehran 1968734974, Iran
Emailcontact@hanpars.com