L-Cysteine, 99%, 99%

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

L-Cysteine, 99%, 99% (CAS 52-90-4) is a chemical reagent available from Chemat. Available pack sizes: 10g, 25g, 50g, 100g, 250g, 500g, 1kg, 5kg. Offered by: Chemat.

brandChemat
catalog numberCh11464B-10g
cas52-90-4
size10g
availability 250000g
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Available pack sizes

brand size price
Chemat 10g 69.20 Pln
Chemat 25g 74.00 Pln
Chemat 50g 78.80 Pln
Chemat 100g 83.60 Pln
Chemat 250g 107.60 Pln
Chemat 500g 206.40 Pln
Chemat 1kg 314.00 Pln
Chemat 5kg 1761.60 Pln
Chemat 50kg price on request
Chemat 100kg price on request

properties

purity99%
delivery time3 weeks

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-CysteineAcetylcysteine EP Impurity B Chemat Brand CAS 52-90-4
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