N-(tert-Butoxycarbonyl)-S-(tert-butylthio)-L-cysteine

N-叔丁氧羰基-S-叔丁基硫基-L-半胱氨酸

Also known as: Boc-Cys(StBu)-OH, Boc-Cys(StBu), Boc-S-tert-butylmercapto-L-cysteine, N-[(1,1-dimethylethoxy)carbonyl]-3-[(1,1-dimethylethyl)dithio]-L-alanine, (R)-2-((tert-butoxycarbonyl)amino)-3-(tert-butyldisulfanyl)propanoic acid, N-(tert-butoxycarbonyl)-S-(tert-butylthio)cysteine, O-(tert-butyl) 3-((tert-butyldisulfanyl)-L-alaninate (non-preferred name)

N-(tert-Butoxycarbonyl)-S-(tert-butylthio)-L-cysteine (CAS 30044-61-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H23NO4S2 and a molecular weight of 309.44500 g/mol. It is also known as Boc-Cys(StBu)-OH, Boc-Cys(StBu) and Boc-S-tert-butylmercapto-L-cysteine. Key properties include a melting point of 117-119ºC, a boiling point of 438.2ºC at 760 mmHg, a density of 1.181 g/cm3 and a flash point of 218.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

30044-61-2

Jingsj CID

J-12454-6

Molecular Formula

C₁₂H₂₃NO₄S₂

Chinese Name

N-叔丁氧羰基-S-叔丁基硫基-L-半胱氨酸

Molecular Weight

309.44500 g/mol

Category

Organic Acids

Last updated

8/21/2026