METHIONIC ACID
UNII 55N1VUX48W

Substance Identification & Data

This profile provides standardized clinical and technical data for Methionic Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 55N1VUX48W.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 503-40-2 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
55N1VUX48W
CAS Registry Number
503-40-2
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
METHIONIC ACID
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
CH4O6S2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
OPUAWDUYWRUIIL-UHFFFAOYSA-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
S(CS(O)(=O)=O)(O)(=O)=O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Methionic Acid. 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.

Common Names & Synonyms

METHIONIC ACID [MI]

Systematic Nomenclature

METHANEDISULFONIC ACID
METHIONIC ACID
METHYLENEDISULFONIC ACID