Benzene, 1,1',1'',1'''-[1,1'-bicyclobutyl]-1,1',2,2'-tetrayltetrakis- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 64032-71-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,0,3 and 2 respectively; the second part has 2 digits, 7 and 1 respectively. Calculate Digit Verification of CAS Registry Number 64032-71: (7*6)+(6*4)+(5*0)+(4*3)+(3*2)+(2*7)+(1*1)=99 99 % 10 = 9 So 64032-71-9 is a valid CAS Registry Number.