The chemical formula "C44H78N2O2(2+)*2Br(1-)" represents a complex organic compound that is an ion pair. The organic part, C44H78N2O2(2+), is a large molecule with 44 carbon atoms, 78 hydrogen atoms, 2 nitrogen atoms, and 2 oxygen atoms. This molecule carries a 2+ charge, indicating that it is a dication. The two Br(1-) ions are bromide ions, each carrying a 1- charge. Together, the dication and the two bromide ions form an electrically neutral compound, as the total charge is balanced (2+ from the organic cation and 2- from the bromide ions). This type of compound is often found in pharmaceuticals or other complex organic molecules where the charged species are stabilized by counterions.
The CAS Registry Mumber 2452-53-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,4,5 and 2 respectively; the second part has 2 digits, 5 and 3 respectively. Calculate Digit Verification of CAS Registry Number 2452-53: (6*2)+(5*4)+(4*5)+(3*2)+(2*5)+(1*3)=71 71 % 10 = 1 So 2452-53-1 is a valid CAS Registry Number.