2,2,3,3,4,4,5,5-octafluoropentyl 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 66959-15-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,9,5 and 9 respectively; the second part has 2 digits, 1 and 5 respectively. Calculate Digit Verification of CAS Registry Number 66959-15: (7*6)+(6*6)+(5*9)+(4*5)+(3*9)+(2*1)+(1*5)=177 177 % 10 = 7 So 66959-15-7 is a valid CAS Registry Number.