Drospirenone Impurities

Name Structure CASRN Other Names and Identifiers
7-Chloromethyl 17-Epidrospirenone structure 932388-89-1
  • BP Drospirenone Impurity H
  • 17-Hydroxy-7β-chloromethyl-15β,16β-methylene-3-oxo-17β-pregn-4-ene-21-carboxylic acid, γ-lactone
  • 3'-chloro-3',6-seco-17-epidrospirenone
  • 7β-(chloromethyl)-3-oxo-15α,16α-dihydro-3'H-cyclopropa[15,16]pregn-4-ene-21,17-carbolactone
7-Hydroxymethyl Drospirenone structure
  • BP Drospirenone Impurity B
  • 17-hydroxy-7β-hydroxymethyl-15β,16β-methylene-3-oxo-17α-pregn-4-ene-21-carboxylic acid, γ-lactone
  • 7β-hydroxymethyl drospirenone derivative
  • 7β-(hydroxymethyl)-3-oxo-15α,16α-dihydro-3'H-cyclopropa[15,16]-17α-pregn-4-ene-21,17-carbolactone
17-Epidrospirenone structure 90457-65-1
  • USP Drospirenone Related Compound A
  • BP Drospirenone Impurity E
  • 17-Hydroxy-6β,7β:15β,16β-dimethylene-3-oxo-17β-pregn-4-ene-21-carboxylic acid, γ-lactone
  • 3-oxo-6α,7α,15α,16α-tetrahydro-3'H,3''H-dicyclopropa[6,7:15,16]pregn-4-ene-21,17-carbolactone
5-Hydroxydrospirenone structure 197721-70-3
  • 5β,17-Dihydroxy-6β,7β:15β,16β-dimethylene-3-oxo-17α-pregnan-211-carboxylic acid, γ-lactone
7-Chloromethyl Drospirenone structure 932388-90-4
  • BP Drospirenone Impurity G
  • 17-Hydroxy-7β-chloromethyl-15β,16β-methylene-3-oxo-17α-pregn-4-ene-21-carboxylic acid, γ-lactone
  • 3'-chloro-3',6-secodrospirenone
  • 7β-(chloromethyl)-3-oxo-15α16α-dihydro-3'H-cyclopropa[15,16]-17α-pregn-4-ene-21,17-carbolactone
15-Methyl Drospirenone structure
  • BP Drospirenone Impurity F
  • 17-Hydroxy-15β-methyl-6β,7β-methylene-3-oxo-17α-pregn-4-ene-21-carboxylic acid, γ-lactone
  • 3''-16-secodrospirenone
  • 15β-methyl-3-oxo-6αm7α-dihydro-3'H-cyclopropa[6,7]-17α-pregn-4-ene-21,17-carbolactone
Drospirenone 6-Ene structure 67372-69-4
  • BP Drospirenone Impurity D
  • 17-Hydroxy-15β,16β-methylene-3-oxo-17α-pregn-4,6-diene-21-carboxylic acid, γ-lactone
  • 3-oxo-15α,16α-dihydro-3'H-cyclopropa[15,16]-17α-pregna-4,6-diene-21,17-carbolactone
17-Keto Drospirenone structure 116298-21-6
  • BP Drospirenone Impurity C
  • 6β,7βL15β,16β-Dimethyleneandrost-4-ene-3,17-dione
  • 6α,7α,15α,16α-tetrahydro-3'H,3''H-dicyclopropa[6,7:15,16]androst-4-ene-3,17-dione
7-Hydroxymethyl-3,5(6)-diene Drospirenone structure
  • BP Drospirenone Impurity I
  • 17-Hydroxy-7β-hydroxymethyl-15β,16β-methylene-3-oxo-17β-pregn-3,5(6)-diene-21-carboxylic acid, γ-lactone
  • 7β-hydroxymethyldiene drospirenone derivative
  • 7β-(hydroxymethyl)-15α,16α-dihydro-3'H-cyclopropa[15,16]-17α-pregna-3,5-diene-21,17-carbolactone
6,7-Epidrospirenone structure 889652-31-7
  • BP Drospirenone Impurity K
  • 17-Hydroxy-6α,7α:15β,16β-dimethylene-3-oxo-17α-pregn-4-ene-21-carboxylic acid, γ-lactone
  • 6α,7α-drospirenone
  • 3-oxo-6β,7β,15α,16α-tetrahydro-3'H,3''H-dicyclopropa[6,7:15,16]-17α-pregn-4-ene-21,17-carbolactone
6,7-Desmethylene Drospirenone structure 67372-68-3
  • BP Drospirenone Impurity A
  • 17-hydroxy-15β,16β-methylene-3-oxo-17α-pregn-4-ene-21-carboxylic acid, γ-lactone
  • 6,7-desmethylenedrospirenone
  • 3-oxo-15α,16α-dihydro-3'H-cyclopropa[15,16]-17&alpha-pregn-4-ene-21,17-carbolactone