COUMARIN
UNII A4VZ22K1WT

Substance Identification & Data

This profile provides standardized clinical and technical data for Coumarin, uniquely identified by the FDA Unique Ingredient Identifier (UNII) A4VZ22K1WT.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 91-64-5 and the RxNorm Concept ID (RxCUI) 2898. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
A4VZ22K1WT
CAS Registry Number
91-64-5
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
COUMARIN
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
A4VZ22K1WT
The specific atomic composition represented as a molecular structure string.
InChIKey
C9H6O2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
ZYGHJZDHTFUPRJ-UHFFFAOYSA-N
Line notation for describing the chemical structure and connectivity of atoms.
NCI Thesaurus
National Cancer Institute reference terminology for clinical and research data.
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
o1c(ccc2c1cccc2)=O

Synonyms and Nomenclature

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

FDA Official Name

COUMARIN

Common Names & Synonyms

1,2-BENZOPYRONE
2-PROPENOIC ACID, 3-(2-HYDROXYPHENYL)-, .DELTA.-LACTONE
CIS-O-COUMARINIC ACID LACTONE
COUMARIN (CONSTITUENT OF CINNAMOMUM CASSIA BARK) [DSC]
COUMARIN (CONSTITUENT OF CINNAMOMUM VERUM BARK) [DSC]
COUMARIN (PROHIBITED) [FHFI]
COUMARIN [HSDB]
COUMARIN [IARC]
COUMARIN [MART.]
COUMARIN [MI]
COUMARIN [WHO-DD]
COUMARINIC LACTONE
COUMARINUM
COUMARINUM [HPUS]
CUMARIN
NCI-C07103
O-HYDROXYCINNAMIC ACID LACTONE
TONKA BEAN CAMPHOR

Systematic Nomenclature

2H-1-BENZOPYRAN-2-ONE
2H-BENZO(B)PYRAN-2-ONE
COUMARINIC ANHYDRIDE

Technical Codes

NSC-8774

NDC Products Containing COUMARIN

This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory: