5-METHOXY-2-MERCAPTOBENZIMIDAZOLE
UNII 143562LXX0

Substance Identification & Data

This profile provides standardized clinical and technical data for 5-methoxy-2-mercaptobenzimidazole, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 143562LXX0.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 37052-78-1 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
143562LXX0
CAS Registry Number
37052-78-1
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
5-METHOXY-2-MERCAPTOBENZIMIDAZOLE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C8H8N2OS
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
KOFBRZWVWJCLGM-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
c1(=S)[nH]c2ccc(OC)cc2[nH]1

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 5-methoxy-2-mercaptobenzimidazole. 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

5-METHOXY-1H-BENZIMIDAZOL-2-THIOL [USP IMPURITY]
OMEPRAZOLE IMPURITY A [EP IMPURITY]
OMEPRAZOLE MAGNESIUM IMPURITY A [EP IMPURITY]
OMEPRAZOLE RELATED COMPOUND B
OMEPRAZOLE RELATED COMPOUND B [USP-RS]

Systematic Nomenclature

2H-BENZIMIDAZOLE-2-THIONE, 1,3-DIHYDRO-5-METHOXY-
5-METHOXY-1H-BENZIMIDAZOL-2-THIOL
5-METHOXY-1H-BENZIMIDAZOLE-2-THIOL
5-METHOXY-1H-BENZO(D)IMIDAZOLE-2(3H)-THIONE
5-METHOXY-2-BENZIMIDAZOLETHIOL
5-METHOXY-2-MERCAPTOBENZIMIDAZOLE