17320-45-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17320-45-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,3,2 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 17320-45:
(7*1)+(6*7)+(5*3)+(4*2)+(3*0)+(2*4)+(1*5)=85
85 % 10 = 5
So 17320-45-5 is a valid CAS Registry Number.