25693-79-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25693-79-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,6,9 and 3 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 25693-79:
(7*2)+(6*5)+(5*6)+(4*9)+(3*3)+(2*7)+(1*9)=142
142 % 10 = 2
So 25693-79-2 is a valid CAS Registry Number.