N-Carbobenzoxy-S-phenyl-L-cysteine methyl ester

N-苄氧羰基-S-苯基-L-半胱氨酸甲酯

Also known as: CBZ-S-phenyl-L-cysteine methyl ester, L-Cysteine, S-phenyl-N-[(phenylmethoxy)carbonyl]-, methyl ester, Methyl N-[(benzyloxy)carbonyl]-S-phenyl-L-cysteinate, N-Carbobenzoxy-2-phenyl-L-cysteine methyl ester, N-Benzyloxycarbonyl-S-phenyl-L-cysteine methyl ester, Nelfinavir Impurity 1

N-Carbobenzoxy-S-phenyl-L-cysteine methyl ester (CAS 153277-33-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H19NO4S and a molecular weight of 345.41300 g/mol. It is also known as CBZ-S-phenyl-L-cysteine methyl ester, L-Cysteine, S-phenyl-N-[(phenylmethoxy)carbonyl]-, methyl ester and Methyl N-[(benzyloxy)carbonyl]-S-phenyl-L-cysteinate. Key properties include a boiling point of 522.944ºC at 760 mmHg, a density of 1.247g/cm3 and a flash point of 270.067ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
153277-33-9
Jingsj CID
J-1467200-0
Molecular Formula
C18H19NO4S
Chinese Name
N-苄氧羰基-S-苯基-L-半胱氨酸甲酯
Molecular Weight
345.41300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point522.944ºC at 760 mmHg
Density1.247g/cm3
Flash Point270.067ºC

Frequently Asked Questions

What is the CAS number of N-Carbobenzoxy-S-phenyl-L-cysteine methyl ester?

The CAS number of N-Carbobenzoxy-S-phenyl-L-cysteine methyl ester is 153277-33-9.

What are the molecular formula and molecular weight of N-Carbobenzoxy-S-phenyl-L-cysteine methyl ester?

N-Carbobenzoxy-S-phenyl-L-cysteine methyl ester has molecular formula C18H19NO4S and molecular weight 345.41300 g/mol.

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

Last updated:

How to cite: Jingsj. "N-Carbobenzoxy-S-phenyl-L-cysteine methyl ester (CAS 153277-33-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1467200-0 (accessed 2026-10-22).

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