PHTHALIC ACID
UNII 6O7F7IX66E

Substance Identification & Data

This profile provides standardized clinical and technical data for Phthalic Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 6O7F7IX66E.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 88-99-3 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
6O7F7IX66E
CAS Registry Number
88-99-3
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
PHTHALIC ACID
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C8H6O4
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
XNGIFLGASWRNHJ-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
c1ccc(c(c1)C(=O)O)C(=O)O

Synonyms and Nomenclature

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

FLUORESCEIN IMPURITY B [EP IMPURITY]
FLUORESCEIN SODIUM IMPURITY B [EP IMPURITY]
O-PHTHALIC ACID
PHTHALIC ACID [HSDB]
PHTHALIC ACID [MI]
PHTHALIC ACID [USP IMPURITY]
PHTHALIC ACID [USP-RS]

Systematic Nomenclature

BENZENE-1,2-DICARBOXYLIC ACID
PHTHALIC ACID

Technical Codes

NSC-5348