4-CHLOROPHTHALIC ANHYDRIDE
UNII BPI93D0O61

Substance Identification & Data

This profile provides standardized clinical and technical data for 4-chlorophthalic Anhydride, uniquely identified by the FDA Unique Ingredient Identifier (UNII) BPI93D0O61.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 118-45-6 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

BPI93D0O61

CAS Registry Number

118-45-6

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

4-CHLOROPHTHALIC ANHYDRIDE

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

InChIKey

C8H3ClO3

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

BTTRMCQEPDPCPA-UHFFFAOYSA-N

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

PubChem CID

67044

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(c2cc(Cl)ccc2C1=O)=O

Synonyms and Nomenclature

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