75509-27-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75509-27-2 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, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 75509-27:
(7*7)+(6*5)+(5*5)+(4*0)+(3*9)+(2*2)+(1*7)=142
142 % 10 = 2
So 75509-27-2 is a valid CAS Registry Number.