L-CysteineAcetylcysteine EP Impurity B

cas: 52-90-4 — see every product listed under this CAS number, including other names

L-CysteineAcetylcysteine EP Impurity B (CAS 52-90-4) is a chemical reagent available from Chemat. Available pack sizes: on request. Offered by: Chemat Brand.

brandChemat Brand
catalog numberAO-G0029.06/A0040.05
cas52-90-4
sizeon request
availability In stock
Need more information?

Ask us about this product — we're happy to help.

Available pack sizes

brand size price
Chemat Brand on request price on request

properties

delivery timeTo be confirmed by Chemat
purityNo data

L-cysteine is an optically active form of cysteine having L-configuration. It has a role as a flour treatment agent, an EC 4.3.1.3 (histidine ammonia-lyase) inhibitor and a human metabolite. It is a cysteine, a L-alpha-amino acid, a serine family amino acid and a proteinogenic amino acid. It is a conjugate base of a L-cysteinium. It is a conjugate acid of a L-cysteinate(1-). It is an enantiomer of a D-cysteine. It is a tautomer of a L-cysteine zwitterion.

Source: ChEBI

Identity
Molecular formulaC3H7NO2S
Molecular weight121.16 g/mol
IUPAC name(2R)-2-amino-3-sulfanylpropanoic acid
InChIKeyXUJNEKJLAYXESH-REOHCLBHSA-N
SMILESC([C@@H](C(=O)O)N)S

Computed by PubChem (NCBI)

Synonyms: L-cysteine, cysteine, Cystein, (R)-2-Amino-3-mercaptopropanoic acid, Thioserine, Half-cystine, L-(+)-Cysteine, beta-Mercaptoalanine, L-Cystein, Cysteinum
Related forms of this compound
(2S)-2-amino-3-sulfanylpropanoic acid C3H7NO2S
2-amino-3-sulfanylpropanoic acid C3H7NO2S
(2S)-2-(15N)azanyl-3-sulfanyl(1,2,3-13C3)propanoic acid C3H7NO2S
(2R)-2-(15N)azanyl-2,3,3-trideuterio-3-sulfanylpropanoic acid C3H7NO2S
(2R)-2-amino-3-sulfanyl(113C)propanoic acid C3H7NO2S
(2R)-2-amino-3-sulfanyl(1,2,3-13C3)propanoic acid C3H7NO2S
(2R)-2-(15N)azanyl-3-sulfanylpropanoic acid C3H7NO2S
2-amino-3,3-dideuterio-3-sulfanylpropanoic acid C3H7NO2S
Isomers (same molecular formula)
1,2-thiazolidine 1,1-dioxide C3H7NO2S
1,1-dioxothietan-3-amine C3H7NO2S
1,3-thiazolidine 1,1-dioxide C3H7NO2S
cyclopropanesulfonamide C3H7NO2S

Also listed as

L-Cysteine Chemat Brand CAS 52-90-4
Acetylcysteine EP Impurity B Chemat Brand CAS 52-90-4
L-Cysteine, >95% (HPLC) TRC CAS 52-90-4
L-Cysteine/ 99.58% (existing batch purity) TargetMol CAS 52-90-4
L–Cysteine GLPBio CAS 52-90-4
L-Cysteine, 98+% Thermo Scientific (Alfa Aesar) CAS 52-90-4
L-Cysteine, Cell Culture Reage Thermo Scientific (Alfa Aesar) CAS 52-90-4
L-Cysteine, 99%, non-animal origin, 98.50% Chemat CAS 52-90-4
L-Cysteine, >98.0%(T) TCI CAS 52-90-4
L-Cysteine - non-animal origin Biosynth CAS 52-90-4
L-Cysteine, 98.00% Chemat CAS 52-90-4
H-Cys-OH 97% Ambeed CAS 52-90-4
L-cysteina Chempur CAS 52-90-4
L-CYSTEINE >= 98%, BIOREAG& Sigma-Aldrich CAS 52-90-4
L-CYSTEINE, PRODUCED BY WACKER CHEMIE A& Sigma-Aldrich CAS 52-90-4
L-CYSTEINE BIOULTRA, >= 98& Sigma-Aldrich CAS 52-90-4
L-CYSTEINE, AJINOMOTO& Sigma-Aldrich CAS 52-90-4
L-CYSTEINE, 97% Sigma-Aldrich CAS 52-90-4
L-CYSTEINE, 97% (96% EE/GLC) Sigma-Aldrich CAS 52-90-4
L-Cysteine, 99%, 99% Chemat CAS 52-90-4