25616-64-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25616-64-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,6,1 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 25616-64:
(7*2)+(6*5)+(5*6)+(4*1)+(3*6)+(2*6)+(1*4)=112
112 % 10 = 2
So 25616-64-2 is a valid CAS Registry Number.