99116-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99116-09-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,1,1 and 6 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 99116-09:
(7*9)+(6*9)+(5*1)+(4*1)+(3*6)+(2*0)+(1*9)=153
153 % 10 = 3
So 99116-09-3 is a valid CAS Registry Number.