3-(4-Methoxynaphthalen-1-yl)-3-methylisobenzofuran-1(3H)-one CAS 56282-17-8

Purity 97%+In StockPharmaceutical Standards
CAS No.56282-17-8
Molecular FormulaC20H16O3
Molecular Weight304.34 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(4-Methoxynaphthalen-1-yl)-3-methylisobenzofuran-1(3H)-one CAS 56282-17-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 304.34 g/mol gives 3-(4-Methoxynaphthalen-1-yl)-3-methylisobenzofuran-1(3H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 3-(4-Methoxynaphthalen-1-yl)-3-methylisobenzofuran-1(3H)-one (CAS 56282-17-8), a certified reference material (molecular formula C20H16O3, MW 304.34 g/mol) for analytical method development and quality control.

Based on its molecular formula C20H16O3, 3-(4-Methoxynaphthalen-1-yl)-3-methylisobenzofuran-1(3H)-one contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 304.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

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 FormulaC20H16O3
Molecular Weight304.34 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
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)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1973

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