3-Methyl-2H-pyran-2-one CAS 31678-73-6

Purity 97%+In StockPharmaceutical Standards
CAS No.31678-73-6
Molecular FormulaC6H6O2
Molecular Weight110.11 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Methyl-2H-pyran-2-one CAS 31678-73-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 110.11 g/mol gives 3-Methyl-2H-pyran-2-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-Methyl-2H-pyran-2-one (CAS 31678-73-6) is a high-purity analytical reference standard with the molecular formula C6H6O2 and a molecular weight of 110.11 g/mol.

Based on its molecular formula C6H6O2, 3-Methyl-2H-pyran-2-one contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 110.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC6H6O2
Molecular Weight110.11 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1966

Recommended Standards

Why CATO?