N-DESMETHYLCLARITHROMYCIN
UNII OS14R8NX37

Substance Identification & Data

This profile provides standardized clinical and technical data for N-desmethylclarithromycin, uniquely identified by the FDA Unique Ingredient Identifier (UNII) OS14R8NX37.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 101666-68-6 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
OS14R8NX37
CAS Registry Number
101666-68-6
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
N-DESMETHYLCLARITHROMYCIN
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C37H67NO13
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
CIJTVUQEURKBDL-RWJQBGPGSA-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]1([C@@H]([C@@H](NC)C[C@H](O1)C)O)O[C@@]2([C@H]([C@@]([C@H](C(O[C@H](CC)[C@]([C@@H]([C@H](C([C@@H](C[C@]2(OC)C)C)=O)C)O)(O)C)=O)C)(O[C@H]3C[C@](OC)(C)[C@H]([C@@H](O3)C)O)[H])C)[H]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for N-desmethylclarithromycin. 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

CLARITHROMYCIN IMPURITY D [USP IMPURITY]
CLARITHROMYCIN IMPURITY D [USP-RS]
CLARITHROMYCIN_N-DEMETHYL
N-DESMETHYLCLARITHROMYCIN

Systematic Nomenclature

3''-N-DEMETHYLCLARITHROMYCIN
ERYTHROMYCIN, N-DEMETHYL-6-O-METHYL-