The full chemical name of titin, also known as connectin, is extremely long and complex due to the enormous size of the protein. Titin is the largest known protein and is composed of a sequence of amino acids. However, it's worth noting that the full chemical name of titin is not commonly used or recognized.
The systematic name for titin is based on its amino acid sequence, which consists of around 244 individually named amino acids. The full chemical name of titin would essentially involve listing all these amino acids in order. This results in a name with thousands of characters and is not practical to use or remember.
The formal systematic name for titin, according to the International Union of Pure and Applied Chemistry (IUPAC), is derived from the DNA sequence that encodes it. However, even that name is not typically used in scientific literature or discussions.
It is more common to refer to the protein as titin or connectin, which are widely recognized and used in scientific and medical contexts.