spironolactone

Almost white crystalline powder.
Analysis:
Test Items
Specification
Appearance
Almost white crystalline powder
Identification
Meet the requirements
Melting range
Between 198 and 209
Specific rotation
Between -33° and -37°
Loss on drying
Not more than 0.5%
Limit of mercapto compounds
Meet the requirements.
Ordinary impurities
Meet the requirements
Organic volatile impurities
Meet the requirements
Assayon the dried basis
97.0%~103.0%C
24
H
32
O
4
S
Between 97.0% and 103.0%.
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