344413-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344413-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,4,1 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 344413-20:
(8*3)+(7*4)+(6*4)+(5*4)+(4*1)+(3*3)+(2*2)+(1*0)=113
113 % 10 = 3
So 344413-20-3 is a valid CAS Registry Number.