S-Methyl-D-cysteine

S-甲基-D-半胱氨酸

Also known as: S-Methyl-D-Cys-OH, D-Cysteine, S-methyl-, D-S-methylcysteine, (2R)-2-Amino-3-(methylthio)propanoic acid

CAS No.
66255-16-1
Jingsj CID
J-1410690-1
Molecular Formula
C4H9NO2S
Chinese Name
S-甲基-D-半胱氨酸
Molecular Weight
135.18500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point300.3ºC at 760 mmHg
Density1.26g/cm3
Flash Point135.4ºC

Frequently Asked Questions

What is the CAS number of S-Methyl-D-cysteine?

66255-16-1

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

C4H9NO2S, molecular weight 135.18500 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026