98490-54-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98490-54-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,4,9 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 98490-54:
(7*9)+(6*8)+(5*4)+(4*9)+(3*0)+(2*5)+(1*4)=181
181 % 10 = 1
So 98490-54-1 is a valid CAS Registry Number.