500350-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 500350-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,3,5 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 500350-20:
(8*5)+(7*0)+(6*0)+(5*3)+(4*5)+(3*0)+(2*2)+(1*0)=79
79 % 10 = 9
So 500350-20-9 is a valid CAS Registry Number.