S-Methyl-L-cysteine sulfoxide

S-甲基-L-半胱氨酸亚砜

Also known as: SMCS, S-Methylcysteine sulfoxide, (2S)-2-Amino-3-methylsulfinylpropanoic acid, L-Alanine, 3-(methylsulfinyl)-, S-Methyl-L-cysteine S-oxide

S-Methyl-L-cysteine sulfoxide (CAS 6853-87-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H9NO3S and a molecular weight of 151.184 g/mol. It is also known as SMCS, S-Methylcysteine sulfoxide and (2S)-2-Amino-3-methylsulfinylpropanoic acid. Key properties include a boiling point of 428.2±40.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 212.8±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6853-87-8
Jingsj CID
J-1958043-0
Molecular Formula
C4H9NO3S
Chinese Name
S-甲基-L-半胱氨酸亚砜
Molecular Weight
151.184 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point428.2±40.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point212.8±27.3 °C

Frequently Asked Questions

What is the CAS number of S-Methyl-L-cysteine sulfoxide?

The CAS number of S-Methyl-L-cysteine sulfoxide is 6853-87-8.

What are the molecular formula and molecular weight of S-Methyl-L-cysteine sulfoxide?

S-Methyl-L-cysteine sulfoxide has molecular formula C4H9NO3S and molecular weight 151.184 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 sulfoxide (CAS 6853-87-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1958043-0 (accessed 2026-10-22).

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