104666-20-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104666-20-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,6,6 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 104666-20:
(8*1)+(7*0)+(6*4)+(5*6)+(4*6)+(3*6)+(2*2)+(1*0)=108
108 % 10 = 8
So 104666-20-8 is a valid CAS Registry Number.