Dexamethasone Acetate

CAS number: 1177-87-3

Molecular formula: C24H31FO6

molecular weight: 434.4977

Chemical structure:

Product nameDexamethasone Acetate
Shelf Life
3 years
Items
StandardResults
DescriptionWhite or almost white crystalline powderAlmost white crystalline powder
IdentificationIR Complies with the standardComplies
UV: no more than 3.0%
1.1%
Specific Rotation+82° to +88°+86.9°
Loss on dryingnot more than 0.4%0.2%
Residue on ignitionnot more than 0.1%0.06%
Chromatographic purity
principal impurity no more than 1.0%0.34%
total impurities no more than 2.0%0.67%
Residual SolventsAcetone no more than 1000ppm86ppm
Heavy metalNot more than 20ppmLess than 20ppm
Assay97.0% to 102.0% on dried base98.7%
Conclusion: The test product complies with the requirements of USP39.