4H-1-Benzoselenin-4-one, 8-methyl-2-phenyl- CAS 7126-78-5

Purity 97%+In StockPharmaceutical Standards
CAS No.7126-78-5
Molecular FormulaC16H12OSe
Molecular Weight299.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4H-1-Benzoselenin-4-one, 8-methyl-2-phenyl- CAS 7126-78-5 chemical structure

Description

4H-1-Benzoselenin-4-one, 8-methyl-2-phenyl- (CAS 7126-78-5), molecular formula C16H12OSe and molecular weight 299.23 g/mol, is a CATO reference standard with documented purity and traceability.

4H-1-Benzoselenin-4-one, 8-methyl-2-phenyl- (C16H12OSe) contains a hydroxyl group, an ether linkage, a polycyclic aromatic system. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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 FormulaC16H12OSe
Molecular Weight299.23 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
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1959

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