1. APIs
  2. Dienogest
  3. Impurities

Dienogest Impurities

Name Structure CASRN Other Names and Identifiers
(4-Bromo-17-hydroxy-3-oxoestra-4,9-dien-17α-yl)acetonitrile structure
  • BP Dienogest Impurity M
Spiro[1,3-dioxolan-2,3′-estra-5′(10′),9′(11′)-dien]-17′-one structure
  • BP Dienogest Impurity L
(11-Hydroperoxy-17-hydroxy-3-oxoestra-4,9-dien-17α-yl)acetonitrile structure
  • BP Dienogest Impurity K
[17-Hydroxy-3-methoxyestra-1,3,5(10)-trien-17α-yl]acetonitrile structure
  • BP Dienogest Impurity J
[17-Hydroxy-3-oxoestra-5(10)-en-17α-yl]acetonitrile structure
  • BP Dienogest Impurity I
[3,17-Dihydroxyestra-1,3,5(10)-trien-17α-yl]acetonitrile
  • BP Dienogest Impurity H
[3,17-Dihydroxyestra-1,3,5(10),9(11)-tetraen-17α-yl]acetonitrile structure
  • BP Dienogest Impurity G
(17-Hydroxy-3-oxoestr-4-en-17α-yl)acetonitrile structure
  • BP Dienogest Impurity F
[17-Hydroxy-3,3-dimethoxyestra-5(10),9(11)-dien-17α-yl]acetonitrile structure
  • BP Dienogest Impurity E
[17′-Hydroxyspiro[1,3-dioxolan-2,3′-estra-5′(10′),9′(11′)-dien]-17’α-yl]acetonitrile structure
  • BP Dienogest Impurity D
[17-Hydroxy-3-oxoestra-5(10),9(11)-dien-17α-yl]acetonitrile structure
  • BP Dienogest Impurity C
Estra-4,9-diene-3,17-dione structure
  • BP Dienogest Impurity B
(11,17-Dihydroxy-3-oxoestra-4,9-dien-17α-yl)acetonitrile structure
  • BP Dienogest Impurity A