OXYPURINOL HEMIHYDRATE
UNII 22U8KJ73J2

Substance Identification & Data

This profile provides standardized clinical and technical data for Oxypurinol Hemihydrate, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 22U8KJ73J2.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 904669-67-6 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

22U8KJ73J2

CAS Registry Number

904669-67-6

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

OXYPURINOL HEMIHYDRATE

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

InChIKey

2C5H4N4O2.H2O

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

CZICXWUTLJEIKP-UHFFFAOYSA-N

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

NCI Thesaurus

C224506

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

136345592

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

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

Ingredient Role

[nH]1c2c(cn[nH]2)c([nH]c1=O)=O.O.[nH]1c2c(cn[nH]2)c([nH]c1=O)=O

Synonyms and Nomenclature

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