METHYLMETHIONINE
UNII 3485Y39925

Substance Identification & Data

This profile provides standardized clinical and technical data for Methylmethionine, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 3485Y39925.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 4727-40-6 and the RxNorm Concept ID (RxCUI) N/A. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
3485Y39925
CAS Registry Number
4727-40-6
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
METHYLMETHIONINE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C6H13NO2S
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
YDBYJHTYSHBBAU-YFKPBYRVSA-N
Line notation for describing the chemical structure and connectivity of atoms.
PubChem CID
Unique identification number in the NCBI database of chemical substances.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
[C@H](CC[S+](C)C)(C([O-])=O)N

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Methylmethionine. Identifiers are organized into official regulatory terms, commercial trade names, and technical systematic synonyms used to ensure accurate identification across clinical pharmaceutical databases, regulatory filings, and electronic health records.

FDA Official Name

METHYLMETHIONINE

Common Names & Synonyms

METHIONINE, METHYL SULFONIUM
S-METHYLMETHIONINE [MI]
S-METHYLMETHIONINE ION
S-METHYLMETHIONINE SULFONIUM SALT
SULFONIUM, ((3S)-3-AMINO-3-CARBOXYPROPYL)DIMETHYL-, INNER SALT
SULFONIUM, (3-AMINO-3-CARBOXYPROPYL)DIMETHYL-, INNER SALT, (S)-
VITAMIN U
VITAMIN U [WHO-DD]

Systematic Nomenclature

METHYL SULFONIUM METHIONINE
S-METHYL-L-METHIONINE
S-METHYLMETHIONINE