90833-66-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90833-66-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,3 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 90833-66:
(7*9)+(6*0)+(5*8)+(4*3)+(3*3)+(2*6)+(1*6)=142
142 % 10 = 2
So 90833-66-2 is a valid CAS Registry Number.