98553-96-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98553-96-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,5,5 and 3 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 98553-96:
(7*9)+(6*8)+(5*5)+(4*5)+(3*3)+(2*9)+(1*6)=189
189 % 10 = 9
So 98553-96-9 is a valid CAS Registry Number.