Spironolactone

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