Boc-Cys(tBu)-OH

N-叔丁氧羰基-S-叔丁基-L-半胱氨酸

Also known as: (2R)-3-tert-butylsulfanyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid, Boc-Cys(tBu)-OH, Boc-S-t-butyl-L-cysteine, Boc-S-tert-butyl-L-cysteine, L-Cysteine, N-[(1,1-dimethylethoxy)carbonyl]-S-(1,1-dimethylethyl)-, N-Boc-S-tert-butyl-L-cysteine, S-(2-Methyl-2-propanyl)-N-{[(2-methyl-2-propanyl)oxy]carbonyl}-L-cysteine, N-alpha-(tert-butoxycarbonyl)-S-tert-butyl-L-cysteine

Boc-Cys(tBu)-OH (CAS 56976-06-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H23NO4S and a molecular weight of 277.380 g/mol. It is also known as (2R)-3-tert-butylsulfanyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid, Boc-S-t-butyl-L-cysteine and Boc-S-tert-butyl-L-cysteine. Key properties include a boiling point of 412.6±40.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 203.4±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

56976-06-8

Jingsj CID

J-1960275-0

Molecular Formula

C₁₂H₂₃NO₄S

Chinese Name

N-叔丁氧羰基-S-叔丁基-L-半胱氨酸

Molecular Weight

277.380 g/mol

Category

Organic Acids

Last updated

8/21/2026