98306-73-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98306-73-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,3,0 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 98306-73:
(7*9)+(6*8)+(5*3)+(4*0)+(3*6)+(2*7)+(1*3)=161
161 % 10 = 1
So 98306-73-1 is a valid CAS Registry Number.