CAFFEIC ACID
UNII U2S3A33KVM

Substance Identification & Data

This profile provides standardized clinical and technical data for Caffeic Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) U2S3A33KVM.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 501-16-6 and the RxNorm Concept ID (RxCUI) 1311397. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

U2S3A33KVM

CAS Registry Number

501-16-6

RxNorm Concept ID

1311397

Detailed Substance Profile

Preferred Name

CAFFEIC ACID

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

Molecular Formula

U2S3A33KVM

The specific atomic composition represented as a molecular structure string.

InChIKey

C9H8O4

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

QAIPRVGONGVQAS-DUXPYHPUSA-N

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

NCI Thesaurus

C68540

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

689043

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

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

Ingredient Role

C(/C=C/c1cc(c(O)cc1)O)(=O)O

Synonyms and Nomenclature

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