The chemical "10,11-epoxy-2,5-diphenyl-5,8-dihydro-5,8-ethano-[1,2,4]triazolo[1,2-a]pyridazine-1,3-dione" is a complex organic compound with a unique molecular structure. It features a triazolopyridazine core, which is a fused ring system consisting of a triazole and a pyridazine. The compound is characterized by the presence of an epoxy group at the 10,11-positions, two phenyl groups attached to the 2,5-positions, and a dihydroethano bridge connecting the 5,8-positions. This structure contributes to its specific chemical properties and potential applications in various fields, such as pharmaceuticals or materials science. The compound's name reflects its structural features, indicating the presence of a 1,2,4-triazolo[1,2-a]pyridazine ring system with a 1,3-dione group, an epoxy group, and diphenyl substituents.
The CAS Registry Mumber 65916-11-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,9,1 and 6 respectively; the second part has 2 digits, 1 and 1 respectively. Calculate Digit Verification of CAS Registry Number 65916-11: (7*6)+(6*5)+(5*9)+(4*1)+(3*6)+(2*1)+(1*1)=142 142 % 10 = 2 So 65916-11-2 is a valid CAS Registry Number.