PHTHALIC ANHYDRIDE
UNII UVL263I5BJ

Substance Identification & Data

This profile provides standardized clinical and technical data for Phthalic Anhydride, uniquely identified by the FDA Unique Ingredient Identifier (UNII) UVL263I5BJ.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 85-44-9 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
UVL263I5BJ
CAS Registry Number
85-44-9
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
PHTHALIC ANHYDRIDE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C8H4O3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
LGRFSURHDFAFJT-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
c1ccc2c(c1)C(=O)OC2=O

Synonyms and Nomenclature

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

PHTHALIC ANHYDRIDE [HSDB]
PHTHALIC ANHYDRIDE [MI]

Systematic Nomenclature

1,2-BENZENEDICARBOXYLIC ANHYDRIDE
1,3-ISOBENZOFURANDIONE
PHTHALIC ANHYDRIDE

Technical Codes

NSC-10431