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Phenazopyridine is an orally administered azo dye with local analgesic effects on urinary tract infections, causing urine to turn orange to red. Phenazopyridine exhibits micromolar-level inhibitory activity against SARM1 and TRPM8.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 2 mg | $35 | In Stock | In Stock | |
| 5 mg | $56 | In Stock | In Stock | |
| 10 mg | $93 | In Stock | In Stock | |
| 25 mg | $155 | In Stock | In Stock | |
| 50 mg | $228 | In Stock | In Stock | |
| 100 mg | $342 | - | In Stock | |
| 200 mg | $497 | - | In Stock |
| Description | Phenazopyridine is an orally administered azo dye with local analgesic effects on urinary tract infections, causing urine to turn orange to red. Phenazopyridine exhibits micromolar-level inhibitory activity against SARM1 and TRPM8. |
| In vitro | Method: Human SH-SY5Y cells and mouse N2a cells were treated with Phenazopyridine at concentrations of 10–30 μM for 12 hours. Result: Phenazopyridine treatment significantly increased the expression levels of RPS23RG1 mRNA in both cell types.[2] |
| In vivo | Method: In APP/PS1 Alzheimer's disease (AD) mice, Phenazopyridine was administered at a dose of 15 mg/kg via intracerebroventricular injection once daily for 2 consecutive weeks. Result: Phenazopyridine improved certain AD-related cognitive impairments and pathological features in APP/PS1 mice by promoting the expression of Rps23rg1.[2] |
| Molecular Weight | 213.24 |
| Formula | C11H11N5 |
| Cas No. | 94-78-0 |
| Smiles | N(=NC1=CC=C(N=C1N)N)C=2C=CC=CC2 |
| Storage | store at low temperature | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | ||||||||||||||||||||||||||||||
| Solubility Information | DMSO: 12.5 mg/mL (58.62 mM), Sonication is recommended. | ||||||||||||||||||||||||||||||
Solution Preparation Table | |||||||||||||||||||||||||||||||
DMSO
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Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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