40019-22-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40019-22-5 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 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 40019-22:
(7*4)+(6*0)+(5*0)+(4*1)+(3*9)+(2*2)+(1*2)=65
65 % 10 = 5
So 40019-22-5 is a valid CAS Registry Number.