Name

Spironolactone

Cas

52-01-7

MF

C₂₄H₃₂O₄S

MW

416.57

Appearance

A white or yellowish-white powder

Identification

Meets the requirements

Specific rotation

-33°～-37°

Related substances
Canrenone
Total impurities

0.5% max
1.0% max

Chromium

50ppm max

Sulphated ash

0.10% max

Loss on drying

0.5% max

Free mercapto compounds

Meets the requirements

Assay

97.0~102.0%