Phosphorochloridic acid 2,2,3,3,4,4,5,5,5-nonafluoro-pentyl ester phenyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 70508-49-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,5,0 and 8 respectively; the second part has 2 digits, 4 and 9 respectively. Calculate Digit Verification of CAS Registry Number 70508-49: (7*7)+(6*0)+(5*5)+(4*0)+(3*8)+(2*4)+(1*9)=115 115 % 10 = 5 So 70508-49-5 is a valid CAS Registry Number.