ETHOSUXIMIDE
UNII 5SEH9X1D1D

Substance Identification & Data

This profile provides standardized clinical and technical data for Ethosuximide, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 5SEH9X1D1D.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 77-67-8 and the RxNorm Concept ID (RxCUI) 4135. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

5SEH9X1D1D

CAS Registry Number

77-67-8

RxNorm Concept ID

4135

Detailed Substance Profile

Preferred Name

ETHOSUXIMIDE

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

Molecular Formula

5SEH9X1D1D

The specific atomic composition represented as a molecular structure string.

InChIKey

C7H11NO2

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

HAPOVYFOVVWLRS-UHFFFAOYSA-N

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

NCI Thesaurus

C47523

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

3291

Unique identification number in the NCBI database of chemical substances.

INN ID

1077

Sequential identifier assigned via the WHO International Nonproprietary Name program.

Substance Type

chemical

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

Ingredient Role

N1C(C(CC)(C)CC1=O)=O

Synonyms and Nomenclature

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