99822-52-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99822-52-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,2 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 99822-52:
(7*9)+(6*9)+(5*8)+(4*2)+(3*2)+(2*5)+(1*2)=183
183 % 10 = 3
So 99822-52-3 is a valid CAS Registry Number.