98681-24-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98681-24-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,6,8 and 1 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 98681-24:
(7*9)+(6*8)+(5*6)+(4*8)+(3*1)+(2*2)+(1*4)=184
184 % 10 = 4
So 98681-24-4 is a valid CAS Registry Number.