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] |
|---|---|
| Chemical Classes | Biological Agents -> Amino Acids and Derivatives |
COMPUTED DESCRIPTORS
| Molecular Weight | 135.19 g/mol |
|---|---|
| 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.