LEFAMULIN
UNII 21904A5386

Substance Identification & Data

This profile provides standardized clinical and technical data for Lefamulin, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 21904A5386.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 1061337-51-6 and the RxNorm Concept ID (RxCUI) 2198944. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

21904A5386

CAS Registry Number

1061337-51-6

RxNorm Concept ID

2198944

Detailed Substance Profile

Preferred Name

LEFAMULIN

Official standardized name for this substance within the FDA UNII nomenclature system.

Molecular Formula

21904A5386

The specific atomic composition represented as a molecular structure string.

InChIKey

C28H45NO5S

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

KPVIXBKIJXZQJX-CSOZIWFHSA-N

Line notation for describing the chemical structure and connectivity of atoms.

NCI Thesaurus

C166531

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

58076382

Unique identification number in the NCBI database of chemical substances.

INN ID

9849

Sequential identifier assigned via the WHO International Nonproprietary Name program.

USAN ID

CD-31

Identifier assigned by the United States Adopted Names Council.

Substance Type

LEFAMULIN

ISO 11238 classification category (e.g., Chemical, Polymer, Protein).

Ingredient Role

[C@@H]1([C@@]2(C(C)CC[C@]3(CCC([C@]32[H])=O)[C@H]([C@H](O)[C@@](C1)(C=C)C)C)C)OC(CS[C@H]4[C@@H](C[C@@H](CC4)N)O)=O

Synonyms and Nomenclature

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

LEFAMULIN

Common Names & Synonyms

(+)-LEFAMULIN

LEFAMULIN [MI]

LEFAMULIN [USAN]

Lefamulin [WHO-DD]

lefamulin [INN]

Systematic Nomenclature

ACETIC ACID, 2-(((1R,2R,4R)-4-AMINO-2-HYDROXYCYCLOHEXYL)THIO)-, (3AS,4R,5S,6S,8R,9R,9AR,10R)-6-ETHENYLDECAHYDRO-5-HYDROXY-4,6,9,10-TETRAMETHYL-1-OXO-3A,9-PROPANO-3AH-CYCLOPENTACYCLOOCTEN-8-YL ESTER

SYS

[(1S,2R,3S,4S,6R,7R,8R)-4-ethenyl-3-hydroxy-2,4,7,14-tetramethyl-9-oxo-6-tricyclo[5.4.3.01,8]tetradecanyl] 2-[(1R,2R,4R)-4-amino-2-hydroxycyclohexyl]sulfanylacetate

SYS