406-65-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 406-65-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,0 and 6 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 406-65:
(5*4)+(4*0)+(3*6)+(2*6)+(1*5)=55
55 % 10 = 5
So 406-65-5 is a valid CAS Registry Number.