98320-25-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98320-25-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,3,2 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 98320-25:
(7*9)+(6*8)+(5*3)+(4*2)+(3*0)+(2*2)+(1*5)=143
143 % 10 = 3
So 98320-25-3 is a valid CAS Registry Number.