Tetrahydrobiopterin is a cofactor of the aromatic amino acid hydroxylases enzymes. It also acts as an essential cofactor for all nitric oxide synthase isoforms.

17528-72-2

C9H15N5O3

241.25

Sapropterin;四氢生物蝶呤;Tetrahydrobiopterin

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years