40017-59-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40017-59-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,0,1 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 40017-59:
(7*4)+(6*0)+(5*0)+(4*1)+(3*7)+(2*5)+(1*9)=72
72 % 10 = 2
So 40017-59-2 is a valid CAS Registry Number.