3,4-DIHYDROXYPHENYLACETIC ACID
UNII KEX5N0R4N5

Substance Identification & Data

This profile provides standardized clinical and technical data for 3,4-dihydroxyphenylacetic Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) KEX5N0R4N5.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 102-32-9 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
KEX5N0R4N5
CAS Registry Number
102-32-9
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
3,4-DIHYDROXYPHENYLACETIC ACID
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C8H8O4
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
CFFZDZCDUFSOFZ-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
c1(c(ccc(c1)CC(=O)O)O)O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 3,4-dihydroxyphenylacetic 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

DOPAC
DOPACETIC ACID
HOMOPROTOCATECHUIC ACID

Systematic Nomenclature

(3,4-DIHYDROXYPHENYL)ACETIC ACID
2-(3,4-DIHYDROXYPHENYL)ACETIC ACID
3,4-DIHYDROXYBENZENEACETIC ACID
3,4-DIHYDROXYPHENYLACETIC ACID
ACETIC ACID, (3,4-DIHYDROXYPHENYL)-
BENZENEACETIC ACID, 3,4-DIHYDROXY-
DIHYDROXYPHENYLACETIC ACID

Technical Codes

HMDB01336
NSC-73191