英文名称
(6R)-5,6,7,8-Tetrahydrobiopterin Dihydrochloride
Standards; Chiral Molecules; Pharmaceutical/API Drug Impurities/Metabolites;
Tetrahydrobiopterin is a naturally occurring essential cofactor of the three aromatic amino acid hydroxylase enzymes, used in the degradation of amino acid phenylalanine and in the biosynthesis of the neurotransmitters serotonin, melatonin, dopamine, norepinephrine , epinephrine, and is a cofactor for the production of nitric oxide by the nitric oxide synthases. Chemically, its structure is that of a reduced pteridine derivative.