99170-50-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99170-50-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,1,7 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 99170-50:
(7*9)+(6*9)+(5*1)+(4*7)+(3*0)+(2*5)+(1*0)=160
160 % 10 = 0
So 99170-50-0 is a valid CAS Registry Number.