FEXOFENADINE
UNII E6582LOH6V

Substance Identification & Data

This profile provides standardized clinical and technical data for Fexofenadine, uniquely identified by the FDA Unique Ingredient Identifier (UNII) E6582LOH6V.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 83799-24-0 and the RxNorm Concept ID (RxCUI) 87636. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
E6582LOH6V
CAS Registry Number
83799-24-0
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
FEXOFENADINE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
E6582LOH6V
The specific atomic composition represented as a molecular structure string.
InChIKey
C32H39NO4
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
RWTNPBWLLIMQHL-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
7469
Sequential identifier assigned via the WHO International Nonproprietary Name program.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
C(C1CCN(CC1)CCCC(c2ccc(C(C(=O)O)(C)C)cc2)O)(c3ccccc3)(c4ccccc4)O

Synonyms and Nomenclature

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

FEXOFENADINE

Common Names & Synonyms

CARBOXYTERFENADINE
FEXOFENADINE [HSDB]
FEXOFENADINE [INN]
FEXOFENADINE [MI]
FEXOFENADINE [USP-RS]
FEXOFENADINE [VANDF]
FEXOFENADINE [WHO-DD]
TERFENADINE CARBOXYLATE

Systematic Nomenclature

2-(4-(1-HYDROXY-4-(4-(HYDROXY-DIPHENYL-METHYL)-PIPERIDIN-1-YL)-BUTYL)-PHENYL)-2-METHYL-PROPIONIC ACID
4-(1-HYDROXY-4-(4-(HYDROXYDIPHENYLMETHYL)-1-PIPERIDINYL)BUTYL)-.ALPHA.,.ALPHA.-DIMETHYLBENZENEACETIC ACID
BENZENEACETIC ACID, 4-(1-HYDROXY-4-(4-(HYDROXYDIPHENYLMETHYL)-1-PIPERIDINYL)BUTYL)-.ALPHA.,.ALPHA.-DIMETHYL-

Technical Codes

MDL-16455 FREE BASE

NDC Products Containing FEXOFENADINE

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