1. APIs
  2. Cyproterone Acetate
  3. Impurities

Cyproterone Acetate Impurities

Name Structure CASRN Other Names and Identifiers
Cyproterone Acetate 1-Chloromethyl Derivative structure
  • BP Cyproterone Tablets Impurity 2
  • 17α-Hydroxy-6-chloro-1α-chloromethylpregna-4,6-diene-3,20-dione
Cyproterone Acetate Chlorohydrin Derivative structure
  • BP CPA Impurity G
  • BP Cyproterone Tablets Impurity 1
  • 6β-Chloro-7α,17α-dihydroxy-1α,2α-methylenepregna-4-ene-3,20-dione
  • 6β-Chloro-7α-hydroxy-3,20-dioxo-1β,2β-dihydro-3'H-cyclopropa[1,2]pregna-1,4-dien-17-yl Acetate
6α,7α-Epoxy-3,20-dioxo-1β,2β-dihydro-3′H-cyclopropa[1,2]pregna-1,4-dien-17-yl Acetate structure
  • BP CPA Impurity J
6-Chloro-3,20-dioxopregna-1,4,6-trien-17-yl Acetate structure
  • BP CPA Impurity I
3,20-Dioxopregna-1,4-diene-17-yl Acetate structure
  • BP CPA Impurity H
Cyproterone structure
  • BP CPA Impurity F
  • BP Cyproterone Tablets Impurity 4
  • 6-Chloro-17-hydroxy-1β,2β-dihydro-3'H-cyclopropa[1,2]pregna-1,4,6-triene-3,20-dione
  • 17α-hydroxy-6-chloro-1α,2α-methylenepregna-4,6-diene-3,20-dione
3,6,20-Trioxo-1β,2β-dihydro-3′H-cyclopropa[1,2]pregna-1,4-dien-17-yl Acetate structure
  • BP CPA Impurity E
  • BP Cyproterone Tablets Impurity 3
  • 1α-2α-methylene-3,6,20-trioxopregna-4-en-17α-yl Acetate
1α-(Chloromethyl)-3,6,20-trioxopregn-4-en-17-yl Acetate structure
  • BP CPA Impurity D
6-Chloro-1α-(chloromethyl)-3,20-dioxopregna-4,6-dien-17-yl Acetate structure
  • BP CPA Impurity C
6-Methoxy-3,20-dioxo-1β,2β-dihydro-3′H-cyclopropa[1,2]pregna-1,4,6-trien-17-yl Acetate structure
  • BP CPA Impurity B
3,20-Dioxo-1β,2β-dihydro-3′H-cyclopropa[1,2]pregna-1,4,6-trien-17-yl Acetate structure
  • BP CPA Impurity A