509078-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 509078-99-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,9,0,7 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 509078-99:
(8*5)+(7*0)+(6*9)+(5*0)+(4*7)+(3*8)+(2*9)+(1*9)=173
173 % 10 = 3
So 509078-99-3 is a valid CAS Registry Number.