GEFITINIB
UNII S65743JHBS

Substance Identification & Data

This profile provides standardized clinical and technical data for Gefitinib, uniquely identified by the FDA Unique Ingredient Identifier (UNII) S65743JHBS.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 184475-35-2 and the RxNorm Concept ID (RxCUI) 328134. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

S65743JHBS

CAS Registry Number

184475-35-2

RxNorm Concept ID

328134

Detailed Substance Profile

Preferred Name

GEFITINIB

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

Molecular Formula

S65743JHBS

The specific atomic composition represented as a molecular structure string.

InChIKey

C22H24ClFN4O3

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

XGALLCVXEZPNRQ-UHFFFAOYSA-N

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

NCI Thesaurus

C1855

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

123631

Unique identification number in the NCBI database of chemical substances.

INN ID

8204

Sequential identifier assigned via the WHO International Nonproprietary Name program.

USAN ID

NN-73

Identifier assigned by the United States Adopted Names Council.

Substance Type

chemical

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

Ingredient Role

c12c(ncnc1cc(OC)c(c2)OCCCN3CCOCC3)Nc4cc(c(F)cc4)Cl

Synonyms and Nomenclature

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