Buy high quality Spironolactone EP Impurity A with CAS No - 132458-33-4 from Chemicea Pharma. Chemicea Pharma is one of the leading manufacturer and exporter of Spironolactone EP Impurity A

Spironolactone EP Impurity A

CAT. No. CP-S10001
CAS. No. 132458-33-4
Mol. F. C24H30O4S
Mol. Wt. 414.56
Stock Status Custom Synthesis
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Product Description


  • Category:Impurity Standards
  • Synonyms:Spironolactone USP Related Compound B ; Δ20-Spironolactone
  • Chemical Name:S-[(2′R)-3,5′-Dioxo-5′H-spiro[androst-4-ene-17,2′-furan]-7α-yl] ethanethioate (as per EP); (2′R)-7α-(Acetylthio)-5′H-spiro[androst-4-ene-17,2′-furan]-3,5′-dione (as per USP)

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