| A metabolite of Norgestimate. Norelgestromin is a steroidal progestin used in contraceptive patches, where it is combined with the estrogen ethinyl estradiol. Synonyms: syn-Norelgestromin, Z-17-Deacetylnorgestimate, (8R,9S,10R,13S,14S,17R,Z)-13-Ethyl-17-ethynyl-17-hydroxy-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one Oxime, (17alpha)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one Oxime, 17-Deacetylnorgestimate, 18-Methylnorethindrone oxime, BRN 4202099, D-Norgestrel 3-Oxime, Levonorgestrel 3-Oxime, RWJ 10553, Norelgestromin CAS No: 53016-31-2 Alternate CAS No: 74183-55-4, 53016-31-2 Molecular Formula: C21H29NO2 Molecular Weight: 327.46 Appearance: White to beige solid Purity: As reported Melting Point: >110C Solubility: Chloroform (Slightly), Methanol (Slightly) Storage and Stability: Store at -20C. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Note: The oxime isomerizes when: 1) Heated in any solvent or heating the crystalline form 2) Dissolved in MeOH at room temperature very quickly 3) Dissolved in acetone or CHCl3 at room temperature in a couple of hours at room temperature 4) In EtOAc or EtOAc/isooctane over a couple of days at RT. It is stable in the crystalline form. |
