720675-53-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 720675-53-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,0,6,7 and 5 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 720675-53:
(8*7)+(7*2)+(6*0)+(5*6)+(4*7)+(3*5)+(2*5)+(1*3)=156
156 % 10 = 6
So 720675-53-6 is a valid CAS Registry Number.