2H-PYRAN-2-ONE
UNII 8WW45I202V

Substance Identification & Data

This profile provides standardized clinical and technical data for 2h-pyran-2-one, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 8WW45I202V.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 504-31-4 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
8WW45I202V
CAS Registry Number
504-31-4
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
2H-PYRAN-2-ONE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C5H4O2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
ZPSJGADGUYYRKE-UHFFFAOYSA-N
Line notation for describing the chemical structure and connectivity of atoms.
PubChem CID
68154
Unique identification number in the NCBI database of chemical substances.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
O=c1cccco1

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 2h-pyran-2-one. 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.

Systematic Nomenclature

2H-PYRAN-2-ONE

External Clinical & Regulatory Resources

CAS
Common Chemistry
NCATS
Inxight Drugs
NLM
DailyMed Products
NCATS
GSRS Full Record
NLM
PubChem Compound