40186-17-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40186-17-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,1,8 and 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 40186-17:
(7*4)+(6*0)+(5*1)+(4*8)+(3*6)+(2*1)+(1*7)=92
92 % 10 = 2
So 40186-17-2 is a valid CAS Registry Number.