| | Identification | Back Directory |  | [Name] 
 Naltrexone Impurity 11
 |  | [CAS] 
 123086-68-0
 |  | [Synonyms] 
 Delta 7 Naltrexone
 Naltrexone Impurity 14
 Morphinan-6-one, 17-(cyclopropylmethyl)-7,8-didehydro-4,5-epoxy-3,14-dihydroxy-, (5α)-
 (4R,4aS,7aR,12bS)-3-(cyclopropylmethyl)-4a,9-dihydroxy-2,4,7a,13-tetrahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-7-one
 (4R,4aS,7aR,12bS)-3-(Cyclopropylmethyl)-4a,9-dihydroxy-2,3,4,4a-tetrahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7(7aH)-one
 |  | [Molecular Formula] 
 C20H21NO4
 |  | [MDL Number] 
 MFCD29924032
 |  | [MOL File] 
 123086-68-0.mol
 |  | [Molecular Weight] 
 339.39
 | 
 | Chemical Properties | Back Directory |  | [Boiling point ] 
 569.4±50.0 °C(Predicted)
 |  | [density ] 
 1.51±0.1 g/cm3(Predicted)
 |  | [solubility ] 
 Chloroform (Slightly), Methanol (Slightly)
 |  | [form ] 
 Solid
 |  | [pka] 
 9.07±0.40(Predicted)
 |  | [color ] 
 Off-White to Light Yellow
 |  | [InChI] 
 InChI=1S/C20H21NO4/c22-13-4-3-12-9-15-20(24)6-5-14(23)18-19(20,16(12)17(13)25-18)7-8-21(15)10-11-1-2-11/h3-6,11,15,18,22,24H,1-2,7-10H2/t15-,18+,19+,20-/m1/s1
 |  | [InChIKey] 
 IXTUHFUWSPWDEZ-XFWGSAIBSA-N
 | 
 | Hazard Information | Back Directory |  | [Uses] 
 7,8-Didehydronaltrexone is an intermediate in synthesizing Oripavine (O675000), the major metabolite of Thebaine. Oripavine possesses an analgesic potency comparable to Morphine
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