998-02-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 998-02-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,9 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 998-02:
(5*9)+(4*9)+(3*8)+(2*0)+(1*2)=107
107 % 10 = 7
So 998-02-7 is a valid CAS Registry Number.