2-(2,2-Diphenylvinyl)-2H-pyran-4(3H)-one CAS 1365565-27-0

Purity 97%+In StockPharmaceutical Standards
CAS No.1365565-27-0
Molecular FormulaC19H16O2
Molecular Weight276.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(2,2-Diphenylvinyl)-2H-pyran-4(3H)-one CAS 1365565-27-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 276.33 g/mol gives 2-(2,2-Diphenylvinyl)-2H-pyran-4(3H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-(2,2-Diphenylvinyl)-2H-pyran-4(3H)-one (CAS 1365565-27-0), molecular formula C19H16O2 and molecular weight 276.33 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a steroid core, a hydroxyl group, an ether linkage, 2-(2,2-Diphenylvinyl)-2H-pyran-4(3H)-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 276.33 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), 2-(2,2-Diphenylvinyl)-2H-pyran-4(3H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC19H16O2
Molecular Weight276.33 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991

Related Diphenylvinyl Standards

Recommended Standards

Why CATO?