412018-05-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 412018-05-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,1,2,0,1 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 412018-05:
(8*4)+(7*1)+(6*2)+(5*0)+(4*1)+(3*8)+(2*0)+(1*5)=84
84 % 10 = 4
So 412018-05-4 is a valid CAS Registry Number.