ETOFYLLINE
UNII L164909TBI

Substance Identification & Data

This profile provides standardized clinical and technical data for Etofylline, uniquely identified by the FDA Unique Ingredient Identifier (UNII) L164909TBI.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 519-37-9 and the RxNorm Concept ID (RxCUI) 24611. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

L164909TBI

CAS Registry Number

519-37-9

RxNorm Concept ID

24611

Detailed Substance Profile

Preferred Name

ETOFYLLINE

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

InChIKey

C9H12N4O3

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

NWPRCRWQMGIBOT-UHFFFAOYSA-N

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

NCI Thesaurus

C80611

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

1892

Unique identification number in the NCBI database of chemical substances.

INN ID

1667

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(c(=O)n(c(n1C)=O)C)n(CCO)cn2

Synonyms and Nomenclature

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