Tetrasilane, 1,4-diiodo-1,1,2,2,3,3,4,4-octaphenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 13498-30-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,4,9 and 8 respectively; the second part has 2 digits, 3 and 0 respectively. Calculate Digit Verification of CAS Registry Number 13498-30: (7*1)+(6*3)+(5*4)+(4*9)+(3*8)+(2*3)+(1*0)=111 111 % 10 = 1 So 13498-30-1 is a valid CAS Registry Number.