220001-84-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220001-84-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,0,0 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 220001-84:
(8*2)+(7*2)+(6*0)+(5*0)+(4*0)+(3*1)+(2*8)+(1*4)=53
53 % 10 = 3
So 220001-84-3 is a valid CAS Registry Number.