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N-(tert-butoxycarbonyl)-S-ethyl-L-cysteine

N-(叔丁氧羰基)-S-乙基-L-半胱氨酸

Also known as: Boc-Cys(Et)-OH, BOC-CYS(ET)-OH, Boc-Cys(SC2H5)-OH, BOC-CYSTEINE(ET)-OH, BOC-S-ETHYL-L-CYSTEINE, N-BOC-S-ETHYL-L-CYSTEINE, N-ALPHA-T-BUTOXYCARBONYL-S-ETHYL-L-CYSTEINE, Boc-(S-ethyl)Cys-OH, Boc-L-Cysteine(Ethyl Thiethoxyher), (2R)-3-ethylsulfanyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid

N-(tert-butoxycarbonyl)-S-ethyl-L-cysteine (CAS 16947-82-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H19NO4S and a molecular weight of 249.32700 g/mol. It is also known as Boc-Cys(Et)-OH, BOC-CYS(ET)-OH and Boc-Cys(SC2H5)-OH. Key properties include a boiling point of 400.3ºC at 760 mmHg, a density of 1.16 g/cm3 and a flash point of 195.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16947-82-3
Jingsj CID
J-27438-4
Molecular Formula
C10H19NO4S
Chinese Name
N-(叔丁氧羰基)-S-乙基-L-半胱氨酸
Molecular Weight
249.32700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point400.3ºC at 760 mmHg
Density1.16 g/cm3
Flash Point195.9ºC

Frequently Asked Questions

What is the CAS number of N-(tert-butoxycarbonyl)-S-ethyl-L-cysteine?

The CAS number of N-(tert-butoxycarbonyl)-S-ethyl-L-cysteine is 16947-82-3.

What are the molecular formula and molecular weight of N-(tert-butoxycarbonyl)-S-ethyl-L-cysteine?

N-(tert-butoxycarbonyl)-S-ethyl-L-cysteine has molecular formula C10H19NO4S and molecular weight 249.32700 g/mol.

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

Last updated:

How to cite: Jingsj. "N-(tert-butoxycarbonyl)-S-ethyl-L-cysteine (CAS 16947-82-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27438-4 (accessed 2026-10-22).

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