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Xanthine oxidase-IN-4 (compound 19a) is an orally active and potent xanthine oxidase (XO) inhibitor with an IC50 of 0.039 μM, suitable for research in hyperuricemia and gout. Xanthine oxidase-IN-4 demonstrates hypouricemic potency in potassium oxonate-induced hyperuricemia rats. [1].

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 25 mg | $1,520 | 6-8 weeks | 6-8 weeks | |
| 50 mg | $1,980 | 6-8 weeks | 6-8 weeks | |
| 100 mg | $2,500 | 6-8 weeks | 6-8 weeks |
| Description | Xanthine oxidase-IN-4 (compound 19a) is an orally active and potent xanthine oxidase (XO) inhibitor with an IC50 of 0.039 μM, suitable for research in hyperuricemia and gout. Xanthine oxidase-IN-4 demonstrates hypouricemic potency in potassium oxonate-induced hyperuricemia rats. [1]. |
| In vitro | Xanthine oxidase-IN-4 (compound 19a) exhibits significant inhibitory activity against xanthine oxidase, with an IC50 of 0.039 μM and a Ki of 0.0037 μM, across concentrations from 1 nM to 10 μM over 15 minutes [1]. |
| In vivo | Xanthine oxidase-IN-4 (compound 19a), administered intragastrically at 10 mg/kg to male Sprague-Dawley rats (six weeks old, 180-200g, divided into six groups), significantly reduced serum uric acid concentration, with a quantified 44.3% reduction in the area under the curve (AUC) for serum uric acid levels measured between 1 and 5 hours post-dose. |
| Molecular Weight | 295.3 |
| Formula | C15H13N5O2 |
| Cas No. | 2642137-96-8 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
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