98303-76-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98303-76-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,3,0 and 3 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 98303-76:
(7*9)+(6*8)+(5*3)+(4*0)+(3*3)+(2*7)+(1*6)=155
155 % 10 = 5
So 98303-76-5 is a valid CAS Registry Number.