500309-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 500309-42-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,3,0 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 500309-42:
(8*5)+(7*0)+(6*0)+(5*3)+(4*0)+(3*9)+(2*4)+(1*2)=92
92 % 10 = 2
So 500309-42-2 is a valid CAS Registry Number.