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Norethisterone

Product name	Norethisterone
CAS No.	68-22-4
Molecular Structure
Uasage
EINECS: 200-681-6 Molecular Formula: C₂₀H₂₆O₂ Synonyms: 19-Norethisterone; 17a-Ethynyl-19-nortestosterone; 17-Hydroxy-19-nor-17a-pregn-4-en-20-yn-3-one; 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

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