98398-64-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98398-64-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,3,9 and 8 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 98398-64:
(7*9)+(6*8)+(5*3)+(4*9)+(3*8)+(2*6)+(1*4)=202
202 % 10 = 2
So 98398-64-2 is a valid CAS Registry Number.