1. APIs
  2. Medroxy­progesterone Acetate
  3. Impurities

MPA Impurities

Name Structure CASRN Other Names and Identifiers
6-Hydroxymedroxyprogesterone Acetate structure
  • BP MPA Impurity A
  • BP Medroxyprogesterone Injection Impurity A
  • BP Medroxyprogesterone Tablets Impurity A
  • 17α-acetoxy-6β-hydroxy-6α-methyl-pregn-4-en-3,20-dione
  • 6β-hydroxy-6-methyl-3,20-dioxopregn-4-en-17-yl acetate
Medroxyprogesterone structure 520-85-4
  • BP MPA Impurity B
  • BP Medroxyprogesterone Injection Impurity B
  • BP Medroxyprogesterone Tablets Impurity B
  • 17-hydroxy-6α-methylpregn-4-ene-3,20-dione
6α,17α-Dimethyl-3,17-dioxo-D-homoandrost-4-en-17α-yl Acetate structure
  • BP MPA Impurity C
  • BP Medroxyprogesterone Injection Impurity C
  • BP Medroxyprogesterone Tablets Impurity C
6-Epimedroxyprogesterone Acetate structure 2242-65-1
  • BP MPA Impurity D
  • BP Medroxyprogesterone Injection Impurity D
  • BP Medroxyprogesterone Tablets Impurity D
  • BP Megestrol Acetate Impurity F
  • 6β-methyl-17α-hydroxyprogesteron-17-acetate
6-Methylenehydroxyprogesterone Acetate structure 32634-95-0
  • BP MPA Impurity E
  • BP Medroxyprogesterone Injection Impurity E
  • BP Medroxyprogesterone Tablets Impurity E
  • 17-acetoxy-6-methylene-4-pregnene-3,20-dione
  • 6-methylidene-3,20-dioxopregn-4-en-17-yl acetate
4,5-Dihydromedroxyprogesterone Acetate structure 69688-15-9
  • BP MPA Impurity F
  • BP Medroxyprogesterone Injection Impurity F
  • BP Medroxyprogesterone Tablets Impurity F
  • USP MPA Related Compound A
  • 17α-acetoxy-6α-methyl-5β-pregnane-3,20-dione
  • 6α-methyl-3,20-dioxo-5β-pregnan-17-yl acetate
Megestrol Acetate structure 595-33-5
  • BP MPA Impurity G
  • BP Medroxyprogesterone Injection Impurity G
  • BP Medroxyprogesterone Tablets Impurity G
Hydroxyprogesterone acetate structure 17308-02-0
  • BP MPA Impurity H
  • 17α-acetoxy-pregn-4-ene-3,20-dione
  • 3,20-dioxopregn-4-en-17-yl acetate
17β-Hydroxy-6,17α-dimethyl-D-homoandrost-4-en-3,17-dione structure
  • BP MPA Impurity I