220496-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220496-84-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,4,9 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 220496-84:
(8*2)+(7*2)+(6*0)+(5*4)+(4*9)+(3*6)+(2*8)+(1*4)=124
124 % 10 = 4
So 220496-84-4 is a valid CAS Registry Number.