6518-87-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6518-87-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,1 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6518-87:
(6*6)+(5*5)+(4*1)+(3*8)+(2*8)+(1*7)=112
112 % 10 = 2
So 6518-87-2 is a valid CAS Registry Number.