66280-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66280-05-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,2,8 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 66280-05:
(7*6)+(6*6)+(5*2)+(4*8)+(3*0)+(2*0)+(1*5)=125
125 % 10 = 5
So 66280-05-5 is a valid CAS Registry Number.