W326305

L-Cysteine

≥97%, FG

• Synonym(s): (R)-2-Amino-3-mercaptopropionic acid
• Linear Formula: HSCH₂CH(NH₂)CO₂H
• CAS Number: 52-90-4
• Molecular Weight: 121.16
• FEMA Number: 3263
• Beilstein: 1721408
• EC Number: 200-158-2
• MDL number: MFCD00064306
• UNSPSC Code: 12164502
• eCl@ss: 32160406
• PubChem Substance ID: 24901592
• Flavis number: 17.033
• NACRES: NA.21
• Organoleptic: sulfurous
• grade: FG; Halal

Properties

• grade: FG; Halal
• Quality Level: 400
• reg. compliance: EU Regulation 1334/2008 & 872/2012; FDA 21 CFR 172.320; FDA 21 CFR 184.1271
• Assay: ≥97%
• optical activity: [α]26/D +8.0 to +9.5°, c = 2 in 5 M HCl
• mp: 240 °C (dec.) (lit.)
• solubility: H₂O: 25 mg/mL
• application(s): flavors and fragrances
• Documentation: see Safety & Documentation for available documents
• Organoleptic: sulfurous
• SMILES string: N[C@@H](CS)C(O)=O
• InChI: 1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1
• InChI key: XUJNEKJLAYXESH-REOHCLBHSA-N

Description

General description

L-cysteine is a sulfur-containing amino acid. It can undergo Maillard reaction with reducing sugars to form volatile meat flavored compounds.

Biochem/physiol Actions

NMDA glutamatergic receptor agonist.

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves