25646-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25646-05-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,6,4 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 25646-05:
(7*2)+(6*5)+(5*6)+(4*4)+(3*6)+(2*0)+(1*5)=113
113 % 10 = 3
So 25646-05-3 is a valid CAS Registry Number.