910-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 910-20-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,1 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 910-20:
(5*9)+(4*1)+(3*0)+(2*2)+(1*0)=53
53 % 10 = 3
So 910-20-3 is a valid CAS Registry Number.