54751-72-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54751-72-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,7,5 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 54751-72:
(7*5)+(6*4)+(5*7)+(4*5)+(3*1)+(2*7)+(1*2)=133
133 % 10 = 3
So 54751-72-3 is a valid CAS Registry Number.