(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyldiisopropyl-silyl)bromide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 340128-71-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,0,1,2 and 8 respectively; the second part has 2 digits, 7 and 1 respectively. Calculate Digit Verification of CAS Registry Number 340128-71: (8*3)+(7*4)+(6*0)+(5*1)+(4*2)+(3*8)+(2*7)+(1*1)=104 104 % 10 = 4 So 340128-71-4 is a valid CAS Registry Number.