66530-05-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66530-05-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,5,3 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 66530-05:
(7*6)+(6*6)+(5*5)+(4*3)+(3*0)+(2*0)+(1*5)=120
120 % 10 = 0
So 66530-05-0 is a valid CAS Registry Number.