40668-08-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40668-08-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,6,6 and 8 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 40668-08:
(7*4)+(6*0)+(5*6)+(4*6)+(3*8)+(2*0)+(1*8)=114
114 % 10 = 4
So 40668-08-4 is a valid CAS Registry Number.