220598-46-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220598-46-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,5,9 and 8 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 220598-46:
(8*2)+(7*2)+(6*0)+(5*5)+(4*9)+(3*8)+(2*4)+(1*6)=129
129 % 10 = 9
So 220598-46-9 is a valid CAS Registry Number.