40418-57-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40418-57-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,4,1 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 40418-57:
(7*4)+(6*0)+(5*4)+(4*1)+(3*8)+(2*5)+(1*7)=93
93 % 10 = 3
So 40418-57-3 is a valid CAS Registry Number.