Pharm-Rx Spironolactone USP

Spironolactone contains NLT 97.0% and NMT 103.0% of spironolactone (C₂₄H₃₂O₄S), calculated on the dried basis.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

• USP Spironolactone RS
• USP Spironolactone Related Compound A RS
• 2′R)-3′,4′-Dihydro-5′H-spiro[androst-4,6-diene-17,2′- furan]-3,5′-dione. C₂₂H₂₈O₃ 340.46 USP Spironolactone Related Compound B RS
• 2′R)-7α-(Acetylthio)-5′H-spiro[androst-4-ene-17,2′- furan]-3,5′-dione. C₂₄H₃₀O₄S 414.56
• USP Spironolactone Related Compound C RS (2′R)-3′,4′-Dihydro-5′H-spiro[androst-4-ene-17,2′-furan]- 3,5′-dione. C₂₂H₃₀O₃ 342.47
• USP Spironolactone Related Compound D RS (2′R)-7α-(Acetyldisulfanyl)-3′,4′-dihydro-5′Hspiro[ androst-4-ene-17,2′-furan]-3,5′-dione. C₂₄H₃₂O₄S₂ 448.64
• USP Spironolactone Epimer Mixture RS
• USP Spironolactone Related Compound C RS (2′RIt contains a mixture of approximately 39% of spironolactone and 56% of 7-epispironolactone: (2′R)-7β-(Acetylthio)-3′,4′-dihydro-5′H-spiro[androst-4- ene-17,2′-furan]-3,5′-dione. C24H32O4S 416.57)-3′,4′-Dihydro-5′H-spiro[androst-4-ene-17,2′-furan]- 3,5′-dione. C₂₂H₃₀O₃ 342.47
• USP Spironolactone Related Compound I RS
• S-[17α-(Ethoxymethyl)-17-hydroxy-3-oxoandrost-4-en- 7α-yl]ethanethioate. C₂₄H₃₆O₄S 420.61

Preserve in well-closed containers.