PENTOBARBITAL
UNII I4744080IR

Substance Identification & Data

This profile provides standardized clinical and technical data for Pentobarbital, uniquely identified by the FDA Unique Ingredient Identifier (UNII) I4744080IR.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 76-74-4 and the RxNorm Concept ID (RxCUI) 8004. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

I4744080IR

CAS Registry Number

76-74-4

RxNorm Concept ID

8004

Detailed Substance Profile

Preferred Name

PENTOBARBITAL

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

Molecular Formula

I4744080IR

The specific atomic composition represented as a molecular structure string.

InChIKey

C11H18N2O3

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

WEXRUCMBJFQVBZ-UHFFFAOYSA-N

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

NCI Thesaurus

C61885

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

4737

Unique identification number in the NCBI database of chemical substances.

INN ID

703

Sequential identifier assigned via the WHO International Nonproprietary Name program.

Substance Type

chemical

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

Ingredient Role

C1(C(C(=O)NC(N1)=O)(C(CCC)C)CC)=O

Synonyms and Nomenclature

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