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CAS No 65928-58-7 , Dienogest

  • Name: Dienogest
  • Synonyms: Endometrion; (17a)-17-Hydroxy-3-oxo-19-norpregna-4,9-diene-21-nitrile; Dienogestril; STS 557;Dienogest; 17a-Cyanomethyl-17-hydroxyestra-4, 9-dien-3-one;
  • CAS Registry Number:
  • Melting Point: 210-2140C
  • Flash Point: 285.8 °C
  • Boiling Point: 549 °C at 760 mmHg
  • Density: 1.2 g/cm3
  • Refractive index: 1.589
  • Water Solubility: 57.88 mg/L at 25 °C in water
  • Safety Statements: Moderately toxic by ingestion, subcutaneous, and intraperitoneal routes. An experimental teratogen. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx and CN.
  • Flash Point: 285.8 °C
  • Molecular Weight: 311.42
  • InChI: InChI=1/C20H25NO2/c1-19-8-6-16-15-5-3-14(22)12-13(15)2-4-17(16)18(19)7-9-20(19,23)10-11-21/h12,17-18,23H,2-10H2,1H3/t17-,18+,19+,20-/m1/s1
  • Molecular Formula: C20H25NO2
  • Molecular Structure:CAS No:65928-58-7 Dienogest
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    References of Dienogest
    Title: Dienogest
    CAS Registry Number: 65928-58-7
    CAS Name: (17a)-17-Hydroxy-3-oxo-19-norpregna-4,9-diene-21-nitrile
    Synonyms: 17a-cyanomethyl-17b-hydroxy-13b-methylgona-4,9-dien-3-one; 17a-cyanomethyl-17b-hydroxy-4,9-estradien-3-one; dienogestril
    Manufacturers' Codes: STS-557
    Trademarks: Endometrion (Jenapharm)
    Molecular Formula: C20H25NO2
    Molecular Weight: 311.42
    Percent Composition: C 77.14%, H 8.09%, N 4.50%, O 10.28%
    Literature References: Derivative of 19-nortestosterone. Prepn: K. Ponsold et al., DE 2718872; eidem, US 4167517 (1977, 1979 both to VEB Jenapharm); M. Hübner et al., Arzneim.-Forsch. 30, 401 (1980). Structure-activity study: M Hübner, K. Ponsold, Exp. Clin. Endocrinol. 81, 109 (1983). Evaluation of combination with estrogen as oral contraceptive: J. Spona et al., Contraception 56, 185 (1997); as hormone replacement therapy: T. Gr?ser et al., Maturitas 35, 253 (2000). Review of pharmacology and clinical experience: R. H. Foster, M. I. Wilde, Drugs 56, 825-833 (1998).
    Properties: Needles from ethyl acetate + acetonitrile, mp 209-214°. [a]D25 -290° (c = 0.5 in pyridine).
    Melting point: mp 209-214°
    Optical Rotation: [a]D25 -290° (c = 0.5 in pyridine)
     
    Derivative Type: Mixture with ethinyl estradiol
    CAS Registry Number: 170475-05-5
    Trademarks: Certostat (Jenapharm); Valette (Jenapharm)
     
    Therap-Cat: Progestogen. In combination with estrogen as oral contraceptive.
    Keywords: Progestogen; Contraceptive (Oral).