Spironolactone/CAS: 52-01-7

Synonyms:17-hydroxy-7alpha-mercapto-3-oxo-17alpha-pregn-4-ene-21-carboxylicacigamm;3-(3-keto-7-alpha-acetylthio-17-beta-hydroxy-4-androsten-17-alpha-yl)propion

CAS: 52-01-7

Assay (on the dried basis) 97%~102.0% 

Appearance almoste white crystalline powder 

EINECS: 200-133-6

MF: C24H32O4S

MW: 416.57

MS:

ITEMS SPECIFICATION 

Melting point:198-209°C

Specific rotation: etween -33°And- 37° 

Indentificaftion meet the requirements 

Relate substances sum of impurities 

(except canrenone)   ≤ 1.0% 

Canrenone  ≤1.0% 

Sum of impurities+canrenone ≤ 1.0% 

Chromium ≤ 50ppm 

Loss on drying ≤ 0.5% 

Sulphated ash ≤ 0.1% 

Heavy metal  ≤ 0.002%   

Limit of mercapto compounds Conform 

Ordinary impurities Conform