66481-78-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66481-78-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,4,8 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 66481-78:
(7*6)+(6*6)+(5*4)+(4*8)+(3*1)+(2*7)+(1*8)=155
155 % 10 = 5
So 66481-78-5 is a valid CAS Registry Number.