220858-80-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220858-80-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,8,5 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 220858-80:
(8*2)+(7*2)+(6*0)+(5*8)+(4*5)+(3*8)+(2*8)+(1*0)=130
130 % 10 = 0
So 220858-80-0 is a valid CAS Registry Number.