Norgestimate Synonyms: D-(17A)-17-Acetoxy-13-ethyl-18, 19-dinorpregn-4-en-20-yn-3-oneoxime; Norgestimate powder; Norgestimate steroid CAS: 35189-28-7 Formule: C23H31NO3 Molecular Weight: 369.50 Digtheid: 1.221 g/cm3 Smeltpunt: 216 ° C Boiling Point: 497.896 °C by 760 mmHg flitspunt: 254.919 ° C Appearance: White crystalline solid Purity: 98%