9-(Diethylamino)-3-hydroxy-5H-benzo[a]phenoxazin-5-one CAS 93397-90-1

Description

Compared with other compounds in its class, the molecular weight of 334.37 g/mol gives 9-(Diethylamino)-3-hydroxy-5H-benzo[a]phenoxazin-5-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

9-(Diethylamino)-3-hydroxy-5H-benzo[a]phenoxazin-5-one (CAS 93397-90-1), molecular formula C20H18N2O3 and molecular weight 334.37 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 9-(Diethylamino)-3-hydroxy-5H-benzo[a]phenoxazin-5-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 334.37 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), 9-(Diethylamino)-3-hydroxy-5H-benzo[a]phenoxazin-5-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

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