4-(2,2,3,3,4,4,5,5,6,6,7,7,7-tridecafluoroheptan-1-yl)-2,2-dimethyl-1,3-dioxolane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 196513-81-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,6,5,1 and 3 respectively; the second part has 2 digits, 8 and 1 respectively. Calculate Digit Verification of CAS Registry Number 196513-81: (8*1)+(7*9)+(6*6)+(5*5)+(4*1)+(3*3)+(2*8)+(1*1)=162 162 % 10 = 2 So 196513-81-2 is a valid CAS Registry Number.