4,4,5,5,6,6,7,7,8,8-decaphenyl-4,5,6,7,8-pentasilaundeca-1,10-diene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 115031-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,0,3 and 1 respectively; the second part has 2 digits, 4 and 4 respectively. Calculate Digit Verification of CAS Registry Number 115031-44: (8*1)+(7*1)+(6*5)+(5*0)+(4*3)+(3*1)+(2*4)+(1*4)=72 72 % 10 = 2 So 115031-44-2 is a valid CAS Registry Number.