5,8-Dimethylbenzo[c]phenanthrene CAS 54986-63-9

Description

Compared with other compounds in its class, the molecular weight of 256.34 g/mol gives 5,8-Dimethylbenzo[c]phenanthrene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5,8-Dimethylbenzo[c]phenanthrene (CAS 54986-63-9) is a high-purity analytical reference standard with the molecular formula C20H16 and a molecular weight of 256.34 g/mol.

Owing to a polycyclic aromatic system, 5,8-Dimethylbenzo[c]phenanthrene is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 256.34 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.

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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