98250-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98250-90-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,2,5 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98250-90:
(7*9)+(6*8)+(5*2)+(4*5)+(3*0)+(2*9)+(1*0)=159
159 % 10 = 9
So 98250-90-9 is a valid CAS Registry Number.