1187-84-4
Product Name:
S-Methyl-L-cysteine
Formula:
C4H9NO2S
Synonyms:
(R)-2-Amino-3-(methylmercapto)propionic acid;SMLC
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CHEMICAL AND PHYSICAL PROPERTIES
Physical Description | Beige powder; [Sigma-Aldrich MSDS] |
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Chemical Classes | Biological Agents -> Amino Acids and Derivatives |
COMPUTED DESCRIPTORS
Molecular Weight | 135.19 g/mol |
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XLogP3 | -2.7 |
Hydrogen Bond Donor Count | 2 |
Hydrogen Bond Acceptor Count | 4 |
Rotatable Bond Count | 3 |
Exact Mass | 135.03539970 g/mol |
Monoisotopic Mass | 135.03539970 g/mol |
Topological Polar Surface Area | 88.6 Ų |
Heavy Atom Count | 8 |
Formal Charge | 0 |
Complexity | 86.1 |
Isotope Atom Count | 0 |
Defined Atom Stereocenter Count | 1 |
Undefined Atom Stereocenter Count | 0 |
Defined Bond Stereocenter Count | 0 |
Undefined Bond Stereocenter Count | 0 |
Covalently-Bonded Unit Count | 1 |
Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
S-methylcysteine is a cysteine derivative that is L-cysteine in which the hydrogen attached to the sulfur is replaced by a methyl group. It has a role as a human urinary metabolite and a plant metabolite. It is a tautomer of a S-methylcysteine zwitterion.