663198-48-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 663198-48-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,3,1,9 and 8 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 663198-48:
(8*6)+(7*6)+(6*3)+(5*1)+(4*9)+(3*8)+(2*4)+(1*8)=189
189 % 10 = 9
So 663198-48-9 is a valid CAS Registry Number.