LEVOCETIRIZINE N-OXIDE
UNII 3937I0I7JC

Substance Identification & Data

This profile provides standardized clinical and technical data for Levocetirizine N-oxide, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 3937I0I7JC.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 442863-80-1 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

3937I0I7JC

CAS Registry Number

442863-80-1

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

LEVOCETIRIZINE N-OXIDE

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

InChIKey

C21H25ClN2O4

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

IVDOUUOLLFEMJQ-OAQYLSRUSA-N

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

PubChem CID

29975673

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

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

Ingredient Role

c1cccc([C@@H](N2CC[N+](CC2)(CCOCC(=O)O)[O-])c3ccc(Cl)cc3)c1

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Levocetirizine N-oxide. 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.