99517-60-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99517-60-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,5,1 and 7 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 99517-60:
(7*9)+(6*9)+(5*5)+(4*1)+(3*7)+(2*6)+(1*0)=179
179 % 10 = 9
So 99517-60-9 is a valid CAS Registry Number.