18612-31-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18612-31-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,6,1 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 18612-31:
(7*1)+(6*8)+(5*6)+(4*1)+(3*2)+(2*3)+(1*1)=102
102 % 10 = 2
So 18612-31-2 is a valid CAS Registry Number.