716320-11-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 716320-11-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,1,6,3,2 and 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 716320-11:
(8*7)+(7*1)+(6*6)+(5*3)+(4*2)+(3*0)+(2*1)+(1*1)=125
125 % 10 = 5
So 716320-11-5 is a valid CAS Registry Number.