DIPHENHYDRAMINE MALEATE
UNII 54A11R7E1Y

Substance Identification & Data

This profile provides standardized clinical and technical data for Diphenhydramine Maleate, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 54A11R7E1Y.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 114402-66-3 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

54A11R7E1Y

CAS Registry Number

114402-66-3

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

DIPHENHYDRAMINE MALEATE

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

InChIKey

C17H21NO.C4H4O4

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

HTOPDYMCGZYYAS-BTJKTKAUSA-N

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

PubChem CID

69013022

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

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

Ingredient Role

CN(C)CCOC(c1ccccc1)c2ccccc2.C(=C\C(=O)O)\C(=O)O

Synonyms and Nomenclature

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