| Title:  Lynestrenol CAS Registry Number:  52-76-6 CAS Name:  (17a)-19-Norpregn-4-en-20-yn-17-ol Additional Names:  17a-ethinyl-17b-hydroxyestr-4-ene;  17a-ethynylestr-4-en-17b-ol;  3-desoxynorlutin;  ethinylestrenol Trademarks:  Exluton(a) (Organon);  Exlutena (Organon);  Orgametril (Organon);  Orgametil Molecular Formula:  C20H28O Molecular Weight:  284.44 Percent Composition:  C 84.45%, H 9.92%, O 5.62% Literature References:  Prepn:  de Winter et al., Chem. Ind. (London) 1959, 905.  Metabolism:  Kamyab et al., Biochem. J. 103, 14P (1967); J. Endocrinol. 42, 337 (1968).  Pharmacokinetics and metabolism:  H. Kuhl et al., Contraception 26, 303 (1982).  Clinical trial of use in normophasic oral contraceptives:  N. Dombrowicz et al., ibid. 22, 537 (1980).  Review of carcinogenicity studies:  IARC Monographs 21, 407-415 (1979). Properties:  Solid, mp 158-160°.  [a]D -13° (chloroform). Melting point:  mp 158-160° Optical Rotation:  [a]D -13° (chloroform)   Derivative Type:  Mixture with ethinyl estradiol  CAS Registry Number:  8064-76-4 Trademarks:  Fysionorm (Nourypharma);  Minilyn (Organon);  Ovanon (Nourypharma);  Ovoresta (Organon);  Yermonil (Novartis)   Derivative Type:  Mixture with mestranol  CAS Registry Number:  8015-14-3 Trademarks:  Lyndiol (Organon)   Therap-Cat:  Progestogen.  In combination with estrogen as oral contraceptive. Keywords:  Contraceptive (Oral); Progestogen.  |