509094-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 509094-99-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,9,0,9 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 509094-99:
(8*5)+(7*0)+(6*9)+(5*0)+(4*9)+(3*4)+(2*9)+(1*9)=169
169 % 10 = 9
So 509094-99-9 is a valid CAS Registry Number.