2-ETHYL-2-METHYLSUCCINIC ANHYDRIDE
UNII X2GD4WQY8O

Substance Identification & Data

This profile provides standardized clinical and technical data for 2-ethyl-2-methylsuccinic Anhydride, uniquely identified by the FDA Unique Ingredient Identifier (UNII) X2GD4WQY8O.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number N/A 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
X2GD4WQY8O
CAS Registry Number
N/A
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
2-ETHYL-2-METHYLSUCCINIC ANHYDRIDE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C7H10O3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
HRMQFEOLGGKZLJ-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
O1C(C(CC1=O)(C)CC)=O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 2-ethyl-2-methylsuccinic Anhydride. 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.

Common Names & Synonyms

ETHOSUXIMIDE IMPURITY B [EP IMPURITY]

Systematic Nomenclature

(3RS)-3-ETHYL-3-METHYLDIHYDROFURAN-2,5-DIONE
2,5-FURANDIONE, 3-ETHYLDIHYDRO-3-METHYL-
2-ETHYL-2-METHYLSUCCINIC ANHYDRIDE
3-ETHYLDIHYDRO-3-METHYL-2,5-FURANDIONE