53811-53-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53811-53-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,8,1 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 53811-53:
(7*5)+(6*3)+(5*8)+(4*1)+(3*1)+(2*5)+(1*3)=113
113 % 10 = 3
So 53811-53-3 is a valid CAS Registry Number.