720676-17-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 720676-17-5 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 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 720676-17:
(8*7)+(7*2)+(6*0)+(5*6)+(4*7)+(3*6)+(2*1)+(1*7)=155
155 % 10 = 5
So 720676-17-5 is a valid CAS Registry Number.