940289-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 940289-71-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,0,2,8 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 940289-71:
(8*9)+(7*4)+(6*0)+(5*2)+(4*8)+(3*9)+(2*7)+(1*1)=184
184 % 10 = 4
So 940289-71-4 is a valid CAS Registry Number.