Phosphorochloridic acid 2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoro-heptyl ester 2,2,2-trifluoro-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 128816-76-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,1 and 6 respectively; the second part has 2 digits, 7 and 6 respectively. Calculate Digit Verification of CAS Registry Number 128816-76: (8*1)+(7*2)+(6*8)+(5*8)+(4*1)+(3*6)+(2*7)+(1*6)=152 152 % 10 = 2 So 128816-76-2 is a valid CAS Registry Number.