Boc-S-acetamidomethyl-D-cysteine

N-叔丁氧羰基-S-乙酰氨基甲基-D-半胱氨酸

Also known as: N-tert-Butoxycarbonyl-S-acetamidomethyl-D-cysteine, Boc-D-Cys(Acm)-OH, S-(Acetamidomethyl)-N-(tert-butoxycarbonyl)-D-cysteine, D-Cysteine, S-[(acetylamino)methyl]-N-[(1,1-dimethylethoxy)carbonyl]-, N-Boc-S-[(acetylamino)methyl]-D-cysteine

Boc-S-acetamidomethyl-D-cysteine (CAS 138775-00-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H20N2O5S and a molecular weight of 292.352 g/mol. It is also known as N-tert-Butoxycarbonyl-S-acetamidomethyl-D-cysteine, Boc-D-Cys(Acm)-OH and S-(Acetamidomethyl)-N-(tert-butoxycarbonyl)-D-cysteine. Key properties include a boiling point of 531.5±50.0 °C at 760 mmHg, a density of 1.231±0.06 g/cm3 and a flash point of 275.2±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
138775-00-5
Jingsj CID
J-1120960-9
Molecular Formula
C11H20N2O5S
Chinese Name
N-叔丁氧羰基-S-乙酰氨基甲基-D-半胱氨酸
Molecular Weight
292.352 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point531.5±50.0 °C at 760 mmHg
Density1.231±0.06 g/cm3
Flash Point275.2±30.1 °C

Frequently Asked Questions

What is the CAS number of Boc-S-acetamidomethyl-D-cysteine?

The CAS number of Boc-S-acetamidomethyl-D-cysteine is 138775-00-5.

What are the molecular formula and molecular weight of Boc-S-acetamidomethyl-D-cysteine?

Boc-S-acetamidomethyl-D-cysteine has molecular formula C11H20N2O5S and molecular weight 292.352 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Boc-S-acetamidomethyl-D-cysteine (CAS 138775-00-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1120960-9 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.