CAS Registry No. - 17528-72-2
ChEBI - CHEBI:59560
ChEMBL Ligand - CHEMBL1201774
DrugBank Ligand - DB00360
Human Metabolome Database - HMDB00787
PubChem CID - 44257
Wikipedia - Tetrahydrobiopterin
RCSB PDB Ligand - H4B
DrugCentral Ligand - 2612
PubChem CID - 135398654