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Home> CAS DataBase Listed 6 > CAS 68-22-4
Identification of 68-22-4
  • Name:
  • 19-Norpregn-4-en-20-yn-3-one,17-hydroxy-, (17a)- (Related Reference)
  • EINECS:
  • 200-681-6
  • Synonyms:
  • 19-Norethisterone; 17a-Ethynyl-19-nortestosterone; 17-Hydroxy-19-nor-17a-pregn-4-en-20-yn-3-one;
  • InChI:
  • InChI=1S/C20H26O2/c1-3-20(22)11-9-18-17-6-4-13-12-14(21)5-7-15(13)16(17)8-10-19(18,20)2/h1,12,15-18,22H,4-11H2,2H3/t15-,16+,17+,18-,19-,20-/m0/s1
  • This structure is also available as a 2d Mol file
Safety Data of 68-22-4 Properties of 68-22-4
  • Appearance:
  • Off-White to Pale Yellow Solid
  • Molecular Weight:
  • 298.41924
  • Density:
  • 1.15 g/cm3
  • Boiling Point:
  • 447 °C at 760 mmHg
  • Melting Point:
  • 205-206℃
  • Flash Point:
  • 447 °C at 760 mmHg
  • Storage Temperature:
  • -20°C Freezer
  • Refractive index:
  • 1.577
  • Solubility:
  • chloroform: ≥50 mg/mL, clear, colorless
  • Usage:
  • Progesteron. Norethindrone and acetate in combination with estrogen as contraceptive (oral). It is reasonably anticipated to be a human carcinogen

  • More>>

CAS No. 68-22-4 (19-Norpregn-4-en-20-yn-3-one,17-hydroxy-, (17a)- )

  • CAS No:68-22-4
  • Molecular Weight: 298.41924
  • Molecular Formula: C20H26O2
Properties Safety and Handling MSDS NMR Spectrum Synthesis Route Precursor and Product
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Precursor and Product
References of 19-Norpregn-4-en-20-yn-3-one,17-hydroxy-, (17a)- cas 68-22-4

Safety

Confirmed carcinogen with experimental carcinogenic, tumorigenic, and teratogenic data. Mildly toxic by ingestion. Human systemic effects by ingestion: dermatitis and androgenic effects. Human teratogenic effects: developmental abnormalities of the musculoskeletal system and urogenital system; and behavioral effects in the newborn. Human reproductive effects: spermatogenesis; testes, epididymis, sperm duct changes; impotence; male breast development; other male effects; ovaries, fallopian tube changes; menstrual cycle changes or disorders; uterus, cervix, vagina effects; postpartum effects; changes in female fertility. Experimental reproductive effects. Human mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.

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