257614-49-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 257614-49-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,7,6,1 and 4 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 257614-49:
(8*2)+(7*5)+(6*7)+(5*6)+(4*1)+(3*4)+(2*4)+(1*9)=156
156 % 10 = 6
So 257614-49-6 is a valid CAS Registry Number.