200501-25-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200501-25-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,5,0 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 200501-25:
(8*2)+(7*0)+(6*0)+(5*5)+(4*0)+(3*1)+(2*2)+(1*5)=53
53 % 10 = 3
So 200501-25-3 is a valid CAS Registry Number.