25788-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25788-17-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,7,8 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 25788-17:
(7*2)+(6*5)+(5*7)+(4*8)+(3*8)+(2*1)+(1*7)=144
144 % 10 = 4
So 25788-17-4 is a valid CAS Registry Number.