943417-71-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 943417-71-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,3,4,1 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 943417-71:
(8*9)+(7*4)+(6*3)+(5*4)+(4*1)+(3*7)+(2*7)+(1*1)=178
178 % 10 = 8
So 943417-71-8 is a valid CAS Registry Number.