99833-84-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99833-84-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,3 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 99833-84:
(7*9)+(6*9)+(5*8)+(4*3)+(3*3)+(2*8)+(1*4)=198
198 % 10 = 8
So 99833-84-8 is a valid CAS Registry Number.