220484-17-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220484-17-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,4,8 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 220484-17:
(8*2)+(7*2)+(6*0)+(5*4)+(4*8)+(3*4)+(2*1)+(1*7)=103
103 % 10 = 3
So 220484-17-3 is a valid CAS Registry Number.