Structural Formula Vector Image
Title: Norgesterone
CAS Registry Number: 13563-60-5
CAS Name: (17a)-17-Hydroxy-19-norpregna-5(10),20-dien-3-one
Additional Names: 17b-hydroxy-17a-vinylestr-5(10)-en-3-one; 17a-vinyl-5(10)-estren-17b-ol-3-one; norvinodrel; vinylestrenolone
Molecular Formula: C20H28O2
Molecular Weight: 300.44
Percent Composition: C 79.95%, H 9.39%, O 10.65%
Literature References: Prepn: Ruggieri, Ferrari, US 2983735 (1961 to Richter); eidem, US 3062713 (1962). Synthesis of racemic form: Hiscock, Whitehurst, J. Chem. Soc. 1965, 5772. Biological properties: Ruggieri et al., Steroids 5, 73 (1965).
Properties: Crystals from diethyl ether-hexane, mp 142-143°. [a]D +161° (chloroform).
Melting point: mp 142-143°
Optical Rotation: [a]D +161° (chloroform)
Derivative Type: Mixture with ethinyl estradiol
CAS Registry Number: 8064-75-3
Trademarks: Vestalin
Therap-Cat: Progestogen.
Keywords: Progestogen.

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