81012-51-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81012-51-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,1 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 81012-51:
(7*8)+(6*1)+(5*0)+(4*1)+(3*2)+(2*5)+(1*1)=83
83 % 10 = 3
So 81012-51-3 is a valid CAS Registry Number.