PHENOBARBITAL
UNII YQE403BP4D

Substance Identification & Data

This profile provides standardized clinical and technical data for Phenobarbital, uniquely identified by the FDA Unique Ingredient Identifier (UNII) YQE403BP4D.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 50-06-6 and the RxNorm Concept ID (RxCUI) 8134. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
YQE403BP4D
CAS Registry Number
50-06-6
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
PHENOBARBITAL
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
YQE403BP4D
The specific atomic composition represented as a molecular structure string.
InChIKey
C12H12N2O3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
DDBREPKUVSBGFI-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
414
Sequential identifier assigned via the WHO International Nonproprietary Name program.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
CCC1(c2ccccc2)C(=O)NC(=O)NC1=O

Synonyms and Nomenclature

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

PHENOBARBITAL

Common Names & Synonyms

GARDEPANYL
METHYLPHENOBARBITAL IMPURITY A [EP IMPURITY]
PHENOBARBITAL [EP IMPURITY]
PHENOBARBITAL [EP MONOGRAPH]
PHENOBARBITAL [HSDB]
PHENOBARBITAL [IARC]
PHENOBARBITAL [INN]
PHENOBARBITAL [JAN]
PHENOBARBITAL [MART.]
PHENOBARBITAL [MI]
PHENOBARBITAL [USP MONOGRAPH]
PHENOBARBITAL [WHO-DD]
PHENOBARBITAL [WHO-IP]
PHENOBARBITAL CIV
PHENOBARBITAL CIV [USP-RS]
PHENOBARBITALUM
PHENOBARBITALUM [HPUS]
PHENOBARBITALUM [WHO-IP LATIN]
PHENOBARBITONE
PRIMATENE
PRIMIDONE IMPURITY B [EP IMPURITY]
SEDOPHEN
TEDRAL
TEDRAL SUSPENSION
TEDRIGEN
THEOPHED
TRIPHENATOL
VERSOMNAL

Brand / Trade Names

GARDENAL
LUMINAL

Systematic Nomenclature

2,4,6(1H,3H,5H)-PYRIMIDINETRIONE, 5-ETHYL-5-PHENYL-
5-ETHYL-5-PHENYLBARBITURIC ACID
5-ETHYL-5-PHENYLPYRIMIDINE-2,4,6(1H,3H,5H)-TRIONE

Technical Codes

NSC-128143
NSC-9848

NDC Products Containing PHENOBARBITAL

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