54243-41-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54243-41-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,2,4 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 54243-41:
(7*5)+(6*4)+(5*2)+(4*4)+(3*3)+(2*4)+(1*1)=103
103 % 10 = 3
So 54243-41-3 is a valid CAS Registry Number.