Fmoc-S-ethyl-L-cysteine

N-芴甲氧羰基-S-乙基-L-半胱氨酸

Also known as: Fmoc-Cys(Et)-OH, Fmoc-L-Cys(Et)-OH, Fmoc-Cys(Et)-OH, Fmoc-cysteine(Et)-OH, S-Ethyl-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-cysteine, N-α-(9-Fluorenylmethoxycarbonyl)-S-ethyl-L-cysteine, (2R)-3-ethylsulfanyl-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid

Fmoc-S-ethyl-L-cysteine (CAS 200354-34-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H21NO4S and a molecular weight of 371.45000 g/mol. It is also known as Fmoc-Cys(Et)-OH, Fmoc-L-Cys(Et)-OH and Fmoc-Cys(Et)-OH. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 200354-34-3
Jingsj CID: J-1525004-7
Molecular Formula: C₂₀H₂₁NO₄S
Chinese Name: N-芴甲氧羰基-S-乙基-L-半胱氨酸
Molecular Weight: 371.45000 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Fmoc-S-ethyl-L-cysteine?

The CAS number of Fmoc-S-ethyl-L-cysteine is 200354-34-3.

What are the molecular formula and molecular weight of Fmoc-S-ethyl-L-cysteine?

Fmoc-S-ethyl-L-cysteine has molecular formula C20H21NO4S and molecular weight 371.45000 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Fmoc-S-ethyl-L-cysteine (CAS 200354-34-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525004-7 (accessed 2026-10-25).

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