75343-53-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75343-53-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,3,4 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 75343-53:
(7*7)+(6*5)+(5*3)+(4*4)+(3*3)+(2*5)+(1*3)=132
132 % 10 = 2
So 75343-53-2 is a valid CAS Registry Number.