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S-Methyl-L-cysteine methyl ester hydrochloride

S-甲基-L-半胱氨酸甲酯盐酸盐

Also known as: (R)-methyl 2-amino-3-(methylthio)propanoate hydrochloride, H-Cys(Me)-OMe hydrochloride, H-Cys(Me)-OMe.HCl, methyl (2R)-2-amino-3-methylsulfanylpropanoate hydrochloride, methyl S-methylcysteinate hydrochloride, S-methyl-(R)-methyl cysteine hydrochloride, EOS-61873

S-Methyl-L-cysteine methyl ester hydrochloride (CAS 34017-27-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H12ClNO2S and a molecular weight of 185.67200 g/mol. It is also known as (R)-methyl 2-amino-3-(methylthio)propanoate hydrochloride, H-Cys(Me)-OMe hydrochloride and H-Cys(Me)-OMe.HCl. Key properties include a boiling point of 223.1ºC at 760mmHg and a flash point of 88.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
34017-27-1
Jingsj CID
J-1117119-1
Molecular Formula
C5H12ClNO2S
Chinese Name
S-甲基-L-半胱氨酸甲酯盐酸盐
Molecular Weight
185.67200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point223.1ºC at 760mmHg
Flash Point88.7ºC

Frequently Asked Questions

What is the CAS number of S-Methyl-L-cysteine methyl ester hydrochloride?

The CAS number of S-Methyl-L-cysteine methyl ester hydrochloride is 34017-27-1.

What are the molecular formula and molecular weight of S-Methyl-L-cysteine methyl ester hydrochloride?

S-Methyl-L-cysteine methyl ester hydrochloride has molecular formula C5H12ClNO2S and molecular weight 185.67200 g/mol.

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

Last updated:

How to cite: Jingsj. "S-Methyl-L-cysteine methyl ester hydrochloride (CAS 34017-27-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1117119-1 (accessed 2026-10-22).

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