Impurity reference standards

Desoximetasone impurity standards

6 characterised compounds linked to Desoximetasone are catalogued here, from named pharmacopoeial impurities to synthesis intermediates and breakdown products. Highlights of the range are 2 pharmacopoeial impurities and 1 metabolite or hydroxylated analogue.

6reference materials

2pharmacopoeial

1metabolites

Parent API

Desoximetasone

CAS: 382-67-2
Formula: C₂₂H₂₉FO₄
MW: 376.5 g/mol
Code: ZX-006491

Each lot ships with a certificate of analysis, and characterisation data such as 1H-NMR, mass spectrum and HPLC purity can be shared before you order. Laboratories use them to validate related-substance methods, set specification limits under ICH Q3A and Q3B, and identify unknown peaks in stability samples.

By impurity type

Pharmacopoeial2EP, USP, BP or JP named impurities

Metabolites1Hydroxy, desmethyl and conjugated forms

Counts are based on product names. One compound can fall into more than one type.

All Desoximetasone reference materials

1–6 of 6 standards

(4AS,4bS,5aS,6aS,7R,8R,9aS,9bS)-7-Acetyl-7-hydroxy-4a,6a,8-trimethyl-5a,6,6a,7,8,9,9a,9b,10,11-decahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-2(4aH)-one

CAS: 59796-52-0
Formula: C₂₂H₂₈O₄
MW: 356.5 g/mol

ZX-024246

1,2-Dihydro Desoxymetasone

CAS: 432-54-2
Formula: C₂₂H₃₁FO₄
MW: 378.5 g/mol

ZX-021367

9-Alfa-fluoro triene 21-acetate

CAS: 1250-85-7
Formula: C₂₃H₂₇FO₅
MW: 402.5 g/mol

ZX-027383

Desoximetasone

CAS: 382-67-2
Formula: C₂₂H₂₉FO₄
MW: 376.5 g/mol

ZX-006491

Desoximetasone EP Impurity H

CAS: 52092-65-6
Formula: C₂₄H₃₀O₅
MW: 398.5 g/mol

ZX-028934

Desoximetasone EP Impurity S

CAS: 151265-33-7
Formula: C₂₂H₂₈O₄
MW: 356.5 g/mol

ZX-021366

Questions

Desoximetasone impurities, answered

How many Desoximetasone impurity standards does Zemixal list?

The catalogue currently lists 6 compounds for Desoximetasone, including 2 pharmacopoeial impurities and 1 metabolite or hydroxylated analogue. Each product page shows the CAS number where one is assigned, the structure, formula and molecular weight.

What documents come with a Desoximetasone impurity standard?

A certificate of analysis travels with every lot. On request we share the characterisation set, usually 1H-NMR, mass spectrum, HPLC purity and IR, and for some materials TGA or water content. Ask for the data before ordering if your QA team needs to review it.

Can Zemixal make a Desoximetasone impurity that is not listed?

Often yes. Send the structure, name or CAS number with the quantity you need and our sourcing team checks custom synthesis options, usually from 10 mg up to gram scale, with a quoted lead time.

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