ROXITHROMYCIN
UNII 21KOF230FA

Substance Identification & Data

This profile provides standardized clinical and technical data for Roxithromycin, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 21KOF230FA.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 80214-83-1 and the RxNorm Concept ID (RxCUI) 9478. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
21KOF230FA
CAS Registry Number
80214-83-1
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
ROXITHROMYCIN
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C41H76N2O15
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
RXZBMPWDPOLZGW-XMRMVWPWSA-N
Line notation for describing the chemical structure and connectivity of atoms.
NCI Thesaurus
National Cancer Institute reference terminology for clinical and research data.
PubChem CID
Unique identification number in the NCBI database of chemical substances.
INN ID
5815
Sequential identifier assigned via the WHO International Nonproprietary Name program.
USAN ID
X-56
Identifier assigned by the United States Adopted Names Council.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
[C@@H]1([C@@H]([C@H](C[C@H](O1)C)N(C)C)O)O[C@]2([C@](C)(O)C[C@@H](C)/C(/[C@@H]([C@H]([C@]([C@@H](CC)OC([C@@H]([C@@]([C@@H]2C)([H])O[C@@H]3O[C@H]([C@@H]([C@](C)(OC)C3)O)C)C)=O)(C)O)O)C)=N\OCOCCOC)[H]

Synonyms and Nomenclature

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

ROXITHROMYCIN

Common Names & Synonyms

(E)-ERYTHROMYCIN-9-(O-((2-METHOXYETHOXY)METHYL)OXIME)
ERYTHROMYCIN 9-(E)-(O-((2-METHOXYETHOXY)METHYL)OXIME)
ERYTHROMYCIN 9-(O-((2-METHOXYETHOXY)METHYL)OXIME)
ERYTHROMYCIN A, 9-(O-(2-METHOXYETHOXYMETHYL)-OXIME)
ROXITHROMYCIN [EP IMPURITY]
ROXITHROMYCIN [EP MONOGRAPH]
ROXITHROMYCIN [INN]
ROXITHROMYCIN [JAN]
ROXITHROMYCIN [MART.]
ROXITHROMYCIN [MI]
ROXITHROMYCIN [USAN]
ROXITHROMYCIN [WHO-DD]

Systematic Nomenclature

(3R,4S,5S,6R,7R,9R,11S,12R,13S,14R)-4-((2,6DIDEOXY-3-C-METHYL-3-O-METHYL-.ALPHA.-L-RIBO-HEXOPYRANOSYL)OXY)-14-ETHYL-7,12,13-TRIHYDROXY-10-((E)((2-METHOXYETHOXY)METHOXY)IMINO)-3,5,7,9,11,13HEXAMETHYL-6-((3,4,6-TRIDEOXY-3-(DIMETHYLAMINO)-.BETA.-D-XYLOHEXOPYRANOSYL)OXY)OXACYCLOTETRADECAN-2-ONE

Technical Codes

NSC-758443
RU 28965
RU 965
RU-28965
RU-965