Category
Spironolactone
CAS Number
132458-33-4
Molecular Formula
C24H30O4S
Molecular Weight
414.56
Synonym

S-[(7R,8R,9S,10R,13S,14S,17R)-10,13-dimethyl-3,5'-dioxospiro[2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-17,2'-furan]-7-yl] ethanethioate; S-[(2′R)-3,5′-dioxo-5′H-spiro[androst-4-ene-17,2′-furan]-
7α-yl] ethanethioate; (7alpha,17alpha)-7-(Acetylthio)-17-hydroxy-3-oxo-pregna-4,20-diene-21-carboxylic Acid gamma-Lactone

Keywords
Steroids
Fine Chemicals
Impurities
Chiral standards
Intermediates
Slide 1.GIF
Purity:

Above - 95.0%

Technical Data:

We will provide complete documentation support for every Standard Material. All analytical reports such as ¹H NMR, ¹³C NMR, Mass, FT-IR, HPLC Purity/GC Purity/QNMR Purity, Water content by KF/ Loss on Drying/TGA (Thermo-gravimetric Analysis). Certificate of Analysis with potency report. Each Standard Material SER (Structure Elucidation Report) with NMR, Mass, IR spectral interpretation. This whole analytical document can be included in eCTD, ANDA, DMF submissions to regulatory agencies.

Spironolactone Impurity-A is a certified reference standard used in the quality control and impurity profiling of Spironolactone. It supports analytical method validation, stability studies, and regulatory compliance in pharmaceutical development.