(4E)-4-[(Dimethylamino)methylidene]-2,2-diphenyloxolan-3-one CAS 339107-43-6

Description

Compared with other compounds in its class, the molecular weight of 293.36 g/mol gives (4E)-4-[(Dimethylamino)methylidene]-2,2-diphenyloxolan-3-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(4E)-4-[(Dimethylamino)methylidene]-2,2-diphenyloxolan-3-one (CAS 339107-43-6) is a high-purity analytical reference standard with the molecular formula C19H19NO2 and a molecular weight of 293.36 g/mol.

(4E)-4-[(Dimethylamino)methylidene]-2,2-diphenyloxolan-3-one (C19H19NO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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

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