98654-48-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98654-48-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,6,5 and 4 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 98654-48:
(7*9)+(6*8)+(5*6)+(4*5)+(3*4)+(2*4)+(1*8)=189
189 % 10 = 9
So 98654-48-9 is a valid CAS Registry Number.