Spiro[2.5]octa-4,7-dien-6-one is a unique organic compound characterized by its complex molecular structure, which features a spiro junction connecting two different rings. This bicyclic ketone consists of an eight-carbon framework with a carbonyl group (C=O) at the 6th position. The compound's name reflects its structure, with "spiro" indicating the spiro junction, and the numbers 2.5 and 8 referring to the sizes of the two rings. The 4,7-dien part of the name signifies the presence of two double bonds in the molecule, located at the 4th and 7th carbon atoms. Spiro[2.5]octa-4,7-dien-6-one is an interesting chemical entity due to its unusual ring arrangement and potential applications in various chemical reactions and syntheses.
The CAS Registry Mumber 766-35-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,6 and 6 respectively; the second part has 2 digits, 3 and 5 respectively. Calculate Digit Verification of CAS Registry Number 766-35: (5*7)+(4*6)+(3*6)+(2*3)+(1*5)=88 88 % 10 = 8 So 766-35-8 is a valid CAS Registry Number.