443309-11-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 443309-11-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,3,0 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 443309-11:
(8*4)+(7*4)+(6*3)+(5*3)+(4*0)+(3*9)+(2*1)+(1*1)=123
123 % 10 = 3
So 443309-11-3 is a valid CAS Registry Number.