1022477-73-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1022477-73-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,2,4,7 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1022477-73:
(9*1)+(8*0)+(7*2)+(6*2)+(5*4)+(4*7)+(3*7)+(2*7)+(1*3)=121
121 % 10 = 1
So 1022477-73-1 is a valid CAS Registry Number.