220499-48-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220499-48-9 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 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 220499-48:
(8*2)+(7*2)+(6*0)+(5*4)+(4*9)+(3*9)+(2*4)+(1*8)=129
129 % 10 = 9
So 220499-48-9 is a valid CAS Registry Number.