PARAXANTHINE
UNII Q3565Y41V7

Substance Identification & Data

This profile provides standardized clinical and technical data for Paraxanthine, uniquely identified by the FDA Unique Ingredient Identifier (UNII) Q3565Y41V7.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 611-59-6 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
Q3565Y41V7
CAS Registry Number
611-59-6
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
PARAXANTHINE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C7H8N4O2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
QUNWUDVFRNGTCO-UHFFFAOYSA-N
Line notation for describing the chemical structure and connectivity of atoms.
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
c12c(c(=O)n(c([nH]1)=O)C)n(C)cn2

Synonyms and Nomenclature

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

PARAXANTHINE

Common Names & Synonyms

CAFFEINE IMPURITY F [EP IMPURITY]
CAFFEINE MONOHYDRATE IMPURITY F [EP IMPURITY]

Systematic Nomenclature

1,7-DIMETHYL-3,7-DIHYDRO-1H-PURINE-2,6-DIONE
1,7-DIMETHYLXANTHINE
1H-PURINE-2,6-DIONE, 3,7-DIHYDRO-1,7-DIMETHYL-

Technical Codes

NSC-400018