(E)-3-Azido-4,4,5,5,6,6,7,7,8,8,8-undecafluoro-oct-2-enoic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 128798-08-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,9 and 8 respectively; the second part has 2 digits, 0 and 8 respectively. Calculate Digit Verification of CAS Registry Number 128798-08: (8*1)+(7*2)+(6*8)+(5*7)+(4*9)+(3*8)+(2*0)+(1*8)=173 173 % 10 = 3 So 128798-08-3 is a valid CAS Registry Number.