53393-93-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53393-93-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,3,9 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 53393-93:
(7*5)+(6*3)+(5*3)+(4*9)+(3*3)+(2*9)+(1*3)=134
134 % 10 = 4
So 53393-93-4 is a valid CAS Registry Number.