1097890-24-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1097890-24-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,9,7,8,9 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1097890-24:
(9*1)+(8*0)+(7*9)+(6*7)+(5*8)+(4*9)+(3*0)+(2*2)+(1*4)=198
198 % 10 = 8
So 1097890-24-8 is a valid CAS Registry Number.