98337-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98337-80-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,3,3 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98337-80:
(7*9)+(6*8)+(5*3)+(4*3)+(3*7)+(2*8)+(1*0)=175
175 % 10 = 5
So 98337-80-5 is a valid CAS Registry Number.