DIFLUNISAL
UNII 7C546U4DEN

Substance Identification & Data

This profile provides standardized clinical and technical data for Diflunisal, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 7C546U4DEN.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 22494-42-4 and the RxNorm Concept ID (RxCUI) 3393. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
7C546U4DEN
CAS Registry Number
22494-42-4
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
DIFLUNISAL
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
7C546U4DEN
The specific atomic composition represented as a molecular structure string.
InChIKey
C13H8F2O3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
HUPFGZXOMWLGNK-UHFFFAOYSA-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
3774
Sequential identifier assigned via the WHO International Nonproprietary Name program.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
c1(cc(-c2c(cc(cc2)F)F)ccc1O)C(=O)O

Synonyms and Nomenclature

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

DIFLUNISAL

Common Names & Synonyms

(1,1'-BIPHENYL)-3-CARBOXYLIC ACID, 2',4'-DIFLUORO-4-HYDROXY-
DIFLUNISAL [EP IMPURITY]
DIFLUNISAL [INN]
DIFLUNISAL [JAN]
DIFLUNISAL [MART.]
DIFLUNISAL [MI]
DIFLUNISAL [ORANGE BOOK]
DIFLUNISAL [USAN]
DIFLUNISAL [USP IMPURITY]
DIFLUNISAL [USP MONOGRAPH]
DIFLUNISAL [USP-RS]
DIFLUNISAL [VANDF]
DIFLUNISAL [WHO-DD]

Brand / Trade Names

DOLOBID

Systematic Nomenclature

2',4'-DIFLUORO-4-HYDROXY-3-BIPHENYLCARBOXYLIC ACID

Technical Codes

NSC-756728

NDC Products Containing DIFLUNISAL

This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory: