663198-02-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 663198-02-5 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, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 663198-02:
(8*6)+(7*6)+(6*3)+(5*1)+(4*9)+(3*8)+(2*0)+(1*2)=175
175 % 10 = 5
So 663198-02-5 is a valid CAS Registry Number.