75509-47-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75509-47-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,5,0 and 9 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 75509-47:
(7*7)+(6*5)+(5*5)+(4*0)+(3*9)+(2*4)+(1*7)=146
146 % 10 = 6
So 75509-47-6 is a valid CAS Registry Number.