1022554-43-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1022554-43-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,2,5,5 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1022554-43:
(9*1)+(8*0)+(7*2)+(6*2)+(5*5)+(4*5)+(3*4)+(2*4)+(1*3)=103
103 % 10 = 3
So 1022554-43-3 is a valid CAS Registry Number.