943909-70-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 943909-70-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,3,9,0 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 943909-70:
(8*9)+(7*4)+(6*3)+(5*9)+(4*0)+(3*9)+(2*7)+(1*0)=204
204 % 10 = 4
So 943909-70-4 is a valid CAS Registry Number.