Xanthopterin (hydrate)
CAS: 5979-01-1
Category: Pteridine
| Purity | ≥98% HPLC, Reagent Grade ≥99%, Analytical Standard |
| Molecular Formula | C6H7N5O3 |
| Molecular Weight | 197.15 |
| Appearance | Yellow crystalline powder |
| Packaging | 1g/glass vial or 5g/amber glass bottle. |
| Testing Indicators | Appearance — Visual inspection; Identification — UV (390 nm), MS; Purity — HPLC; Water content — Karl Fischer titration; Heavy metals — ICP-MS; Loss on drying — Gravimetry; Microbial limits — Filtration; Related pteridines — HPLC; Residue on ignition — Muffle furnace. |
| Storage Notes | Store at -20°C or below in a tightly sealed, light-resistant container, protected from moisture and air. |
| Lead Time | 10 days |
A pterin derivative used as a high-value biochemical intermediate in pharmaceutical research and development.