40679-16-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40679-16-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,6,7 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 40679-16:
(7*4)+(6*0)+(5*6)+(4*7)+(3*9)+(2*1)+(1*6)=121
121 % 10 = 1
So 40679-16-1 is a valid CAS Registry Number.