1022404-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1022404-05-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,2,4,0 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1022404-05:
(9*1)+(8*0)+(7*2)+(6*2)+(5*4)+(4*0)+(3*4)+(2*0)+(1*5)=72
72 % 10 = 2
So 1022404-05-2 is a valid CAS Registry Number.