98900-24-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98900-24-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,9,0 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 98900-24:
(7*9)+(6*8)+(5*9)+(4*0)+(3*0)+(2*2)+(1*4)=164
164 % 10 = 4
So 98900-24-4 is a valid CAS Registry Number.