ITACONIC ANHYDRIDE
UNII Y455KS1U7Q

Substance Identification & Data

This profile provides standardized clinical and technical data for Itaconic Anhydride, uniquely identified by the FDA Unique Ingredient Identifier (UNII) Y455KS1U7Q.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 2170-03-8 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
Y455KS1U7Q
CAS Registry Number
2170-03-8
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
ITACONIC ANHYDRIDE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C5H4O3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
OFNISBHGPNMTMS-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
C=C1CC(=O)OC1=O

Synonyms and Nomenclature

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

Systematic Nomenclature

2,5-FURANDIONE, DIHYDRO-3-METHYLENE-
3-METHYLIDENEDIHYDROFURAN-2,5-DIONE
DIHYDRO-3-METHYLENE-2,5-FURANDIONE
ITACONIC ACID ANHYDRIDE
ITACONIC ANHYDRIDE
ITACONIC-ANHYDRIDE
METHYLENESUCCINIC ANHYDRIDE
SUCCINIC ANHYDRIDE, METHYLENE-

Technical Codes

NSC-43979