420092-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 420092-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,0,0,9 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 420092-89:
(8*4)+(7*2)+(6*0)+(5*0)+(4*9)+(3*2)+(2*8)+(1*9)=113
113 % 10 = 3
So 420092-89-3 is a valid CAS Registry Number.