Dexamethasone Sodium Phosphate — impurities and related standards

All 4 Dexamethasone Sodium Phosphate-related compounds in the CATO catalogue, listed with their CAS numbers, molecular formulae and stock status. If the compound you need is not listed, send the structure or the impurity designation and we will check whether it can be synthesised or isolated.

Dexamethasone sodium phosphate is the water-soluble phosphate ester salt of dexamethasone, a synthetic glucocorticoid used for its anti-inflammatory and immunosuppressive activity in a range of clinical settings. The phosphate ester introduces additional chemistry to consider: hydrolysis back to the parent alcohol, formation of related steroid degradation products under acid or alkaline stress, and the presence of stereochemically related corticosteroids from the synthetic route. The page lists the EP-designated impurities of dexamethasone sodium phosphate, each provided as an individual characterised standard. They support pharmacopoeial related-substance testing of the bulk substance and its injectable formulations, peak identification in impurity profiles, and stability-indicating method development.

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