6,7-dimethyl-5,6,7,8-Tetrahydropterin (hydrochloride) Price Not Available 5mg 6,7-dimethyl-5,6,7,8-Tetrahydropterin (hydrochloride) Supplier Page Catalog Number R066895 Molecular Formula C8H14ClN5O CAS# 945-43-7 Purity ≥90% Inchi InChI=1S/C8H13N5O.ClH/c1-3-4(2)11-6-5(10-3)7(14)13-8(9)12-6;/h3-4,10H,1-2H3,(H4,9,11,12,13,14);1H Inchi Key GIHYTRGUZVYCQX-UHFFFAOYSA-N SMILES CC1C(NC2=C(N1)C(=O)N=C(N2)N)C.Cl Size 5mg Supplier Page https://www.musechem.com/product/R066895.html