698-55-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 698-55-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,9 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 698-55:
(5*6)+(4*9)+(3*8)+(2*5)+(1*5)=105
105 % 10 = 5
So 698-55-5 is a valid CAS Registry Number.