98336-80-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98336-80-2 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 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98336-80:
(7*9)+(6*8)+(5*3)+(4*3)+(3*6)+(2*8)+(1*0)=172
172 % 10 = 2
So 98336-80-2 is a valid CAS Registry Number.