HYDROXYZINE HYDROCHLORIDE
UNII 76755771U3

Substance Identification & Data

This profile provides standardized clinical and technical data for Hydroxyzine Hydrochloride, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 76755771U3.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 2192-20-3 and the RxNorm Concept ID (RxCUI) 154987. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
76755771U3
CAS Registry Number
2192-20-3
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
HYDROXYZINE HYDROCHLORIDE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
76755771U3
The specific atomic composition represented as a molecular structure string.
InChIKey
C21H27ClN2O2.2ClH
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
ANOMHKZSQFYSBR-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.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
c1ccc(cc1)C(c2ccc(cc2)Cl)N3CCN(CC3)CCOCCO.Cl.Cl

Synonyms and Nomenclature

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

HYDROXYZINE HYDROCHLORIDE

Common Names & Synonyms

(+/-)-2-(2-(4-(P-CHLORO-.ALPHA.-PHENYLBENZYL)-1-PIPERAZINYL)ETHOXY)ETHANOL DIHYDROCHLORIDE
1-(P-CHLOROBENZHYDRYL)-4-(2-(2-HYDROXYETHOXY)ETHYL)DIETHYLENEDIAMINE DIHYDROCHLORIDE
2-(2-(4-(P-CHLORO-.ALPHA.-PHENYLBENZYL)-1-PIPERAZINYL)ETHOXY)ETHANOL DIHYDROCHLORIDE
ETHANOL, 2-(2-(4-((4-CHLOROPHENYL)PHENYLMETHYL)-1-PIPERAZINYL)ETHOXY)-, DIHYDROCHLORIDE, (+/-)-
ETHANOL, 2-(2-(4-(P-CHLORO-.ALPHA.-PHENYLBENZYL)-1-PIPERAZINYL)ETHOXY)-, DIHYDROCHLORIDE
HYDROXIZINE CHLORIDE
HYDROXYZINE DIHYDROCHLORIDE
HYDROXYZINE DIHYDROCHLORIDE [MI]
HYDROXYZINE HCL
HYDROXYZINE HYDROCHLORIDE [EP MONOGRAPH]
HYDROXYZINE HYDROCHLORIDE [JAN]
HYDROXYZINE HYDROCHLORIDE [MART.]
HYDROXYZINE HYDROCHLORIDE [ORANGE BOOK]
HYDROXYZINE HYDROCHLORIDE [USP MONOGRAPH]
HYDROXYZINE HYDROCHLORIDE [USP-RS]
HYDROXYZINE HYDROCHLORIDE [VANDF]
HYDROXYZINE HYDROCHLORIDE [WHO-DD]

Brand / Trade Names

ALAMON
ATARAX
ATARAX DIHYDROCHLORIDE
ATERAX
ATRANINE A
DURRAX
ORGATRAX
VISTARIL

Systematic Nomenclature

ETHANOL, 2-(2-(4-((4-CHLOROPHENYL)PHENYLMETHYL)-1-PIPERAZINYL)ETHOXY)-, HYDROCHLORIDE (1:2)

NDC Products Containing HYDROXYZINE HYDROCHLORIDE

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