75424-64-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75424-64-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,4,2 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 75424-64:
(7*7)+(6*5)+(5*4)+(4*2)+(3*4)+(2*6)+(1*4)=135
135 % 10 = 5
So 75424-64-5 is a valid CAS Registry Number.