THIOGUANINE ANHYDROUS
UNII WIX31ZPX66

Substance Identification & Data

This profile provides standardized clinical and technical data for Thioguanine Anhydrous, uniquely identified by the FDA Unique Ingredient Identifier (UNII) WIX31ZPX66.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 154-42-7 and the RxNorm Concept ID (RxCUI) 1546005. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

WIX31ZPX66

CAS Registry Number

154-42-7

RxNorm Concept ID

1546005

Detailed Substance Profile

Preferred Name

THIOGUANINE ANHYDROUS

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

Molecular Formula

WIX31ZPX66

The specific atomic composition represented as a molecular structure string.

InChIKey

C5H5N5S

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

WYWHKKSPHMUBEB-UHFFFAOYSA-N

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

NCI Thesaurus

C61970

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

2723601

Unique identification number in the NCBI database of chemical substances.

INN ID

1998

Sequential identifier assigned via the WHO International Nonproprietary Name program.

Substance Type

chemical

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

Ingredient Role

c12nc(N)[nH]c(c1nc[nH]2)=S

Synonyms and Nomenclature

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