RIFAMPICIN N-OXIDE
UNII QHT9Z36XBP

Substance Identification & Data

This profile provides standardized clinical and technical data for Rifampicin N-oxide, uniquely identified by the FDA Unique Ingredient Identifier (UNII) QHT9Z36XBP.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 125833-03-6 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
QHT9Z36XBP
CAS Registry Number
125833-03-6
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
RIFAMPICIN N-OXIDE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C43H58N4O13
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
HLBLHKPXLRRUNR-WLSIYKJHSA-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
c12c3O[C@@](C1=O)(O/C=C/[C@@H]([C@H]([C@H]([C@@H]([C@@H]([C@@H]([C@@H](O)[C@H](/C=C/C=C(\C(Nc4c(c(c2c(c4/C=N/N5CC[N+](CC5)(C)[O-])O)c(c3C)O)O)=O)/C)C)C)O)C)OC(=O)C)C)OC)C

Synonyms and Nomenclature

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

N-OXIDORIFAMPICIN
RIFAMPICIN IMPURITY B [EP IMPURITY]
RIFAMPICIN N-OXIDE
RIFAMPIN N-OXIDE

Systematic Nomenclature

RIFAMYCIN, 3-(((4-METHYL-1-PIPERAZINYL)IMINO)METHYL)-, N-OXIDE
RIFAMYCIN, 3-(((4-METHYL-4-OXIDO-1-PIPERAZINYL)IMINO)METHYL)-