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CAS 4727-40-6

CAS 4727-40-6 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 4727-40-6
CAS 4727-40-6PubChem CID 145692

S-Methyl-L-methionine

S-methyl-L-methionine is a sulfonium compound that is the conjugate acid of S-methyl-L-methioninate. It has a role as a Saccharomyces cerevisiae metabolite and an Escherichia coli metabolite. It is a conjugate acid of a S-methyl-L-methioninate. It is a tautomer of a S-methyl-L-methionine zwitterion. — ChEBI

IUPAC name
[(3S)-3-amino-3-carboxypropyl]-dimethylsulfanium
Molecular formula
C6H14NO2S+
Molecular weight
164.25 g/mol
Exact mass
164.07452486 Da
XLogP3
-3.0
Topological polar surface area
64.3 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
1

Also known as

CHEBI:17728((3S)-3-amino-3-carboxypropyl)-dimethylsulfaniumRefChem:1098270(2S)-2-azaniumyl-4-dimethylsulfoniobutanoate6708-35-6Sulfonium, [(3S)-3-amino-3-carboxypropyl]dimethyl-, iodideMETHIOSULFONIUMA1LUD
8 more reported names
L-Methionine methylsulfonium[(3S)-3-amino-3-carboxypropyl](dimethyl)sulfonium iodideALBB-015019[(3S)-3-Amino-3-carboxypropyl]dimethylsulfonium[(3S)-3-amino-3-carboxypropyl](dimethyl)sulfonium[(3S)-3-Amino-3-carboxypropyl](dimethyl)sulfaniumatoBRD-K41504985-005-01-5L-METHIONINE METHYLSULFONIUM IODIDE, 99% (99% E.E.)
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

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How CAS 4727-40-6 is used on this site

CAS 4727-40-6 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 4727-40-6 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.