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Hypoxanthine is a naturally occurring purine derivative. It is occasionally found as a constituent of nucleic acids, where it is present in the anticodon of tRNA in the form of its nucleoside inosine. It has a tautomer known as 6-hydroxypurine.
H 1735 (OTTO) Hypoxanthine, 99% Cas 68-94-0 - used as a substrate to study the specificity and kinetics of hypoxanthine-guanine phosphoribosyl transferases.