98334-70-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98334-70-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,3,3 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98334-70:
(7*9)+(6*8)+(5*3)+(4*3)+(3*4)+(2*7)+(1*0)=164
164 % 10 = 4
So 98334-70-4 is a valid CAS Registry Number.