SILDENAFIL N-OXIDE
UNII 380S4M4VB3

Substance Identification & Data

This profile provides standardized clinical and technical data for Sildenafil N-oxide, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 380S4M4VB3.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 1094598-75-0 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
380S4M4VB3
CAS Registry Number
1094598-75-0
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
SILDENAFIL N-OXIDE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C22H30N6O5S
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
JQGFLCMKCZPSEC-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([nH]c(=O)c2n(C)nc(CCC)c2n1)-c3c(ccc(c3)S(=O)(=O)N4CC[N+](CC4)(C)[O-])OCC

Synonyms and Nomenclature

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

SILDENAFIL CITRATE IMPURITY B [EP IMPURITY]
SILDENAFIL N-OXIDE

Systematic Nomenclature

5-(2-ETHOXY-5-((4-METHYL-4-OXIDOPIPERAZIN-1-YL)SULFONYL)PHENYL)-1-METHYL-3-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO(4,3-D)PYRIMIDIN-7-ONE
7H-PYRAZOLO(4,3-D)PYRIMIDIN-7-ONE, 5-(2-ETHOXY-5-((4-METHYL-4-OXIDO-1-PIPERAZINYL)SULFONYL)PHENYL)-1,6-DIHYDRO-1-METHYL-3-PROPYL-