1-Butanesulfonic acid, 1,1,2,2,3,3,4,4,4-nonafluoro-, 4-acetylphenyl
ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 264135-62-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,4,1,3 and 5 respectively; the second part has 2 digits, 6 and 2 respectively. Calculate Digit Verification of CAS Registry Number 264135-62: (8*2)+(7*6)+(6*4)+(5*1)+(4*3)+(3*5)+(2*6)+(1*2)=128 128 % 10 = 8 So 264135-62-8 is a valid CAS Registry Number.