720-60-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 720-60-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,2 and 0 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 720-60:
(5*7)+(4*2)+(3*0)+(2*6)+(1*0)=55
55 % 10 = 5
So 720-60-5 is a valid CAS Registry Number.