90498-66-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90498-66-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,9 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 90498-66:
(7*9)+(6*0)+(5*4)+(4*9)+(3*8)+(2*6)+(1*6)=161
161 % 10 = 1
So 90498-66-1 is a valid CAS Registry Number.