53543-81-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53543-81-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,5,4 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 53543-81:
(7*5)+(6*3)+(5*5)+(4*4)+(3*3)+(2*8)+(1*1)=120
120 % 10 = 0
So 53543-81-0 is a valid CAS Registry Number.