MERCAPTOPURINE ANHYDROUS
UNII PKK6MUZ20G

Substance Identification & Data

This profile provides standardized clinical and technical data for Mercaptopurine Anhydrous, uniquely identified by the FDA Unique Ingredient Identifier (UNII) PKK6MUZ20G.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 50-44-2 and the RxNorm Concept ID (RxCUI) 1546028. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
PKK6MUZ20G
CAS Registry Number
50-44-2
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
MERCAPTOPURINE ANHYDROUS
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
PKK6MUZ20G
The specific atomic composition represented as a molecular structure string.
InChIKey
C5H4N4S
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
GLVAUDGFNGKCSF-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
587
Sequential identifier assigned via the WHO International Nonproprietary Name program.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
c12c(nc[nH]c1=S)[nH]cn2

Synonyms and Nomenclature

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

Common Names & Synonyms

6-MERCAPTOPURINE [IARC]
6-MERCAPTOPURINE [MI]
AZATHIOPRINE IMPURITY B [EP IMPURITY]
MERCAPTOPURINE [HSDB]
MERCAPTOPURINE [INN]
MERCAPTOPURINE ANHYDROUS

Systematic Nomenclature

1,9-DIHYDRO-6H-PURINE-6-THIONE
6-MERCAPTOPURINE

NDC Products Containing MERCAPTOPURINE ANHYDROUS

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