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Dexamethasone
Name:Dexamethasone
CAS:50-02-2
MF:C22H29FO5
The detailed specifications are as below:
Item of testing  Specification Result 
Appearance White or almost white crystalline powder Almost white crystalline powder
Identification B) IR Conforms
C) TLC Conforms
Specific rotation,° +75°~ +80° +76.5°
Loss on drying,% ≦0.50% 0.16%
Related substances,% Individual impurity≦0.5% 0.38%
Total impurities≦1.0% 0.68%
Assay,% 97.0~103.0% 99.3%
Conclusion Conforms