807-51-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 807-51-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,0 and 7 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 807-51:
(5*8)+(4*0)+(3*7)+(2*5)+(1*1)=72
72 % 10 = 2
So 807-51-2 is a valid CAS Registry Number.