6β-Hydroxy 21-Acetyloxy Budesonide CAS 93789-69-6

Description

Compared with other compounds in its class, the molecular weight of 486.60 g/mol gives 6β-Hydroxy 21-Acetyloxy Budesonide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

6β-Hydroxy 21-Acetyloxy Budesonide (CAS 93789-69-6) is a high-purity analytical reference standard with the molecular formula C28H38O7 and a molecular weight of 486.60 g/mol.

The molecular framework of 6β-Hydroxy 21-Acetyloxy Budesonide (C28H38O7) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).

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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