66404-29-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66404-29-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,4,0 and 4 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 66404-29:
(7*6)+(6*6)+(5*4)+(4*0)+(3*4)+(2*2)+(1*9)=123
123 % 10 = 3
So 66404-29-3 is a valid CAS Registry Number.