94309-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94309-71-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,3,0 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 94309-71:
(7*9)+(6*4)+(5*3)+(4*0)+(3*9)+(2*7)+(1*1)=144
144 % 10 = 4
So 94309-71-4 is a valid CAS Registry Number.