Fmoc-Cys(StBu)-OH

N-芴甲氧羰基-S-叔丁硫基-L-半胱氨酸

Also known as: N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-S-(tert-butylthio)-L-cysteine, (2R)-3-(tert-butyldisulfanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid, Fmoc-Cys(S-t-Bu)-OH, Fmoc-Cys(tButhio)-OH, Fmoc-L-Cys(StBu)-OH, Nalpha-Fmoc-S-tert-butylthio-L-cysteine, MFCD00042617, EINECS 277-574-6

Fmoc-Cys(StBu)-OH (CAS 73724-43-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H25NO4S2 and a molecular weight of 431.568 g/mol. It is also known as N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-S-(tert-butylthio)-L-cysteine, (2R)-3-(tert-butyldisulfanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid and Fmoc-Cys(S-t-Bu)-OH. Key properties include a melting point of 73-77ºC, a boiling point of 623.0±55.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 330.6±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

73724-43-3

Jingsj CID

J-1971610-5

Molecular Formula

C₂₂H₂₅NO₄S₂

Chinese Name

N-芴甲氧羰基-S-叔丁硫基-L-半胱氨酸

Molecular Weight

431.568 g/mol

Category

Organic Acids

Last updated

8/21/2026