Tetrahydrobiopterin
CAS: 17528-72-2
Category: Pteridine
| Purity | Pharmaceutical Grade (≥98%), High-Purity Biochemical Grade (≥95%), Research Grade. |
| Molecular Formula | C9H15N5O3 |
| Molecular Weight | 241.25 |
| Appearance | White to off-white crystalline powder, very hygroscopic and light-sensitive |
| Packaging | 1 g/amber glass vial, 5 g/lyophilized bottle. |
| Testing Indicators | Appearance — Visual inspection; Specific rotation — Polarimetry; Identification — IR, UV (280 nm); Purity — RP-HPLC; Heavy metals — ICP-MS; Moisture — Karl Fischer titration; Microbial limits — Membrane filtration; Pteridine impurities — LC-MS; pH — Potentiometry. |
| Storage Notes | Stored as lyophilized powder at -80°C or -20°C in a tightly closed container under inert atmosphere, protected from light, air, and moisture. |
| Lead Time | 10 days |
Used as a cofactor intermediate in the synthesis of treatments for phenylketonuria (PKU) and neurotransmitter deficiencies via oral sapropterin formulations.