S-(2-Thienyl)-L-cysteine

S-(2-噻吩基)-L-半胱氨酸

Also known as: (R)-2-Amino-3-(2-thienylthio)propionic acid, L-Cysteine, S-2-thienyl-, S-2-Thienyl-L-cysteine

S-(2-Thienyl)-L-cysteine (CAS 405150-23-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9NO2S2 and a molecular weight of 203.28200 g/mol. It is also known as (R)-2-Amino-3-(2-thienylthio)propionic acid, L-Cysteine, S-2-thienyl- and S-2-Thienyl-L-cysteine. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
405150-23-4
Jingsj CID
J-1017334-9
Molecular Formula
C7H9NO2S2
Chinese Name
S-(2-噻吩基)-L-半胱氨酸
Molecular Weight
203.28200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of S-(2-Thienyl)-L-cysteine?

The CAS number of S-(2-Thienyl)-L-cysteine is 405150-23-4.

What are the molecular formula and molecular weight of S-(2-Thienyl)-L-cysteine?

S-(2-Thienyl)-L-cysteine has molecular formula C7H9NO2S2 and molecular weight 203.28200 g/mol.

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

Last updated:

How to cite: Jingsj. "S-(2-Thienyl)-L-cysteine (CAS 405150-23-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1017334-9 (accessed 2026-10-23).

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