66480-23-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66480-23-7 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 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 66480-23:
(7*6)+(6*6)+(5*4)+(4*8)+(3*0)+(2*2)+(1*3)=137
137 % 10 = 7
So 66480-23-7 is a valid CAS Registry Number.