98716-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98716-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,7,1 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 98716-99:
(7*9)+(6*8)+(5*7)+(4*1)+(3*6)+(2*9)+(1*9)=195
195 % 10 = 5
So 98716-99-5 is a valid CAS Registry Number.