99982-53-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99982-53-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,8 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 99982-53:
(7*9)+(6*9)+(5*9)+(4*8)+(3*2)+(2*5)+(1*3)=213
213 % 10 = 3
So 99982-53-3 is a valid CAS Registry Number.