98940-85-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98940-85-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,9,4 and 0 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 98940-85:
(7*9)+(6*8)+(5*9)+(4*4)+(3*0)+(2*8)+(1*5)=193
193 % 10 = 3
So 98940-85-3 is a valid CAS Registry Number.