S-tert-Butylmercapto-L-cysteine

• Catalog No.: 20235
• CAS Number: 30044-51-0
• M. F.: C7H15NO2S2
• M. W.: 209.3295
• Purity: ≥95.0% (T)

SYNONYMS

• IUPAC name: (2R)-2-amino-3-(tert-butyldisulfanyl)propanoic acid
• IUPAC Traditional name: (2R)-2-amino-3-(tert-butyldisulfanyl)propanoic acid
• Synonyms: S-(tert-Butylthio)-L-cysteine; 3-(tert-Butyldithio)-L-alanine

DATABASE IDS

• MDL Number: MFCD00002609
• Beilstein Number: 2247500
• CAS Number: 30044-51-0
• EC Number: 250-012-7

PROPERTIES

• Empirical Formula (Hill Notation): C7H15NO2S2
• Grade: purum
• Ignition Residue: ≤0.05%
• Impurities: ≤0.5% free cysteine
• Purity: ≥95.0% (T)
• Melting Point: ~190 °C (dec.)
• Optical Rotation: [α]20/D -83±3°, c = 1% in 1 M HCl
• Safety Statements: 22-24/25
• German water hazard class: 3

DETAILS

Description (English)

Other Notes
Important S-protected cysteine-derivative for peptide synthesis1

Description (简体中文)

Other Notes
Important S-protected cysteine-derivative for peptide synthesis1