| | Identification | Back Directory |  | [Name] 
 Olaparib impurity 1
 |  | [CAS] 
 763113-06-0
 |  | [Synonyms] 
 1-(Cyclopropylcarbonyl)-4-[5-[(3,4-dihydro-4-oxo-1-phthalazinyl)methyl]-benzoyl]piperazine
 1(2H)-Phthalazinone, 4-[[3-[[4-(cyclopropylcarbonyl)-1-piperazinyl]carbonyl]phenyl]methyl]-
 |  | [Molecular Formula] 
 C24H24N4O3
 |  | [MOL File] 
 763113-06-0.mol
 |  | [Molecular Weight] 
 416.47
 | 
 | Chemical Properties | Back Directory |  | [density ] 
 1.39±0.1 g/cm3(Predicted)
 |  | [pka] 
 12.09±0.40(Predicted)
 |  | [InChI] 
 InChI=1S/C24H24N4O3/c29-22-20-7-2-1-6-19(20)21(25-26-22)15-16-4-3-5-18(14-16)24(31)28-12-10-27(11-13-28)23(30)17-8-9-17/h1-7,14,17H,8-13,15H2,(H,26,29)
 |  | [InChIKey] 
 UMOUCKQSZGWWOH-UHFFFAOYSA-N
 |  | [SMILES] 
 C1(=O)C2=C(C=CC=C2)C(CC2=CC=CC(C(N3CCN(C(C4CC4)=O)CC3)=O)=C2)=NN1
 | 
 | Hazard Information | Back Directory |  | [Uses] 
 1-(Cyclopropylcarbonyl)-4-[5-[(3,4-dihydro-4-oxo-1-phthalazinyl)methyl]-benzoyl]piperazine is used in the preparation of radiolabeled olaparib.
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