4-METHYLPHTHALIC ANHYDRIDE
UNII 2P2740FPCK

Substance Identification & Data

This profile provides standardized clinical and technical data for 4-methylphthalic Anhydride, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 2P2740FPCK.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 19438-61-0 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

2P2740FPCK

CAS Registry Number

19438-61-0

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

4-METHYLPHTHALIC ANHYDRIDE

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

InChIKey

C9H6O3

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

ZOXBWJMCXHTKNU-UHFFFAOYSA-N

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

PubChem CID

88069

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

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

Ingredient Role

O=C1OC(=O)c2ccc(cc12)C

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 4-methylphthalic 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.