TetrahydrobiopterinTetrahydrobiopterin (BH4, THB), also known as sapropterin (INN), is a cofactor of the three aromatic amino acid hydroxylase enzymes, used in the metabolism of amino acid phenylalanine and in the biosynthesis of the neurotransmitters serotonin (5-hydroxytryptamine, 5-HT), melatonin, dopamine, norepinephrine… Read from the Drugbox of the Wikipedia article Tetrahydrobiopterin, revision 1358371606.

Property

Value

Formula

C9H15N5O3, 241.25 g/mol

Elimination half-life

4 h

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