409353-44-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 409353-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,9,3,5 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 409353-44:
(8*4)+(7*0)+(6*9)+(5*3)+(4*5)+(3*3)+(2*4)+(1*4)=142
142 % 10 = 2
So 409353-44-2 is a valid CAS Registry Number.