18247-17-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18247-17-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,2,4 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 18247-17:
(7*1)+(6*8)+(5*2)+(4*4)+(3*7)+(2*1)+(1*7)=111
111 % 10 = 1
So 18247-17-1 is a valid CAS Registry Number.