DIPHENYLHYDANTOIC ACID
UNII D6FS42KUT3

Substance Identification & Data

This profile provides standardized clinical and technical data for Diphenylhydantoic Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) D6FS42KUT3.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 6802-95-5 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
D6FS42KUT3
CAS Registry Number
6802-95-5
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
DIPHENYLHYDANTOIC ACID
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C15H14N2O3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
UESCARMREGSPTP-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
C(O)(=O)C(NC(=O)N)(c1ccccc1)c2ccccc2

Synonyms and Nomenclature

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

(CARBAMOYLAMINO)DIPHENYLACETIC ACID
PHENYTOIN IMPURITY E [EP IMPURITY]
PHENYTOIN RELATED COMPOUND B [USP IMPURITY]
PHENYTOIN RELATED COMPOUND B [USP-RS]
PHENYTOIN SODIUM IMPURITY E [EP IMPURITY]
PHENYTOIN SODIUM RELATED COMPOUND B [USP IMPURITY]

Systematic Nomenclature

2,2-DIPHENYLHYDANTOIC ACID
BENZENEACETIC ACID, .ALPHA.-((AMINOCARBONYL)AMINO)-.ALPHA.-PHENYL-
DIPHENYLHYDANTOIC ACID