CETIRIZINE
UNII YO7261ME24

Substance Identification & Data

This profile provides standardized clinical and technical data for Cetirizine, uniquely identified by the FDA Unique Ingredient Identifier (UNII) YO7261ME24.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 83881-51-0 and the RxNorm Concept ID (RxCUI) 20610. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
YO7261ME24
CAS Registry Number
83881-51-0
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
CETIRIZINE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
YO7261ME24
The specific atomic composition represented as a molecular structure string.
InChIKey
C21H25ClN2O3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
ZKLPARSLTMPFCP-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
5520
Sequential identifier assigned via the WHO International Nonproprietary Name program.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
N1(C(c2ccc(cc2)Cl)c3ccccc3)CCN(CC1)CCOCC(=O)O

Synonyms and Nomenclature

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

CETIRIZINE

Common Names & Synonyms

(+/-)-(2-(4-(P-CHLORO-A-PHENYLBENZYL)-1-PIPERAZINYL)ETHOXY)ACETIC ACID
ACETIC ACID, (2-(4-((4-CHLOROPHENYL)PHENYLMETHYL)-1-PIPERAZINYL)ETHOXY)-, (+/-)-
CETIRIZINE [HSDB]
CETIRIZINE [INN]
CETIRIZINE [MI]
CETIRIZINE [VANDF]
CETIRIZINE [WHO-DD]

Brand / Trade Names

CETIDERM

Technical Codes

AC-170

NDC Products Containing CETIRIZINE

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