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Ziresovir (RO-0529) is a respiratory syncytial virus fusion protein (RSV F) inhibitor that inhibits RSV activity and can be used in the study of syncytial virus sensing.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 2 mg | $173 | In Stock | In Stock | |
| 5 mg | $289 | In Stock | In Stock | |
| 10 mg | $455 | In Stock | In Stock | |
| 25 mg | $818 | In Stock | In Stock | |
| 50 mg | $1,190 | In Stock | In Stock | |
| 100 mg | $1,630 | - | In Stock | |
| 1 mL x 10 mM (in DMSO) | $279 | In Stock | In Stock |
| Description | Ziresovir (RO-0529) is a respiratory syncytial virus fusion protein (RSV F) inhibitor that inhibits RSV activity and can be used in the study of syncytial virus sensing. |
| Targets&IC50 | RSV (WT):0.003 μM (EC50), D489A (RSV,Mutant strain):> 10μM (EC50), D486N (RSV,Mutant strain):2.1 μM (EC50), RSV F:3 nM (EC50) |
| In vitro | With EC50/EC90 values (μM) of 0.003/0.005 (WT), 2.1/10.0 (D486N), and >10/>10 (D489A), Ziresovir exhibits different efficacy in Wild Type (WT) and Mutant Strains RSV, respectively[1].Inhibiting the RSV F protein-induced cell–cell fusion process, RO-0529 (100 nM; 4 d) suppresses the syncytia formation induced by the RSV F protein[1]. |
| In vivo | Ziresovir (12.5 mg/kg, 50 mg/kg; p.o.; twice daily; 4 d) reduces RSV titer in the mouse lung[1]. With a single oral dose of 10 mg/kg, Ziresovir exhibits good exposure and 32% bioavailability in male Wistar-Han rats[1]. A single oral dose of 150 mg/kg results in higher lung distribution than plasma in CD-1 mice[1]. |
| Synonyms | RO-0529, AK0529 |
| Molecular Weight | 439.53 |
| Formula | C22H25N5O3S |
| Cas No. | 1422500-60-4 |
| Smiles | Cc1ccc2nc(nc(NCC3(N)COC3)c2c1)N1CCS(=O)(=O)c2ccccc2C1 |
| Relative Density. | 1.390 g/cm3 (Predicted) |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | ||||||||||||||||||||||||||||||
| Solubility Information | DMSO: 38 mg/mL (86.46 mM), Sonication and heating are recommended. | ||||||||||||||||||||||||||||||
| In Vivo Formulation | 10% DMSO+40% PEG300+5% Tween 80+45% Saline: 2 mg/mL (4.55 mM), Sonication is recommended. Please add the solvents sequentially, clarifying the solution as much as possible before adding the next one. Dissolve by heating and/or sonication if necessary. Working solution is recommended to be prepared and used immediately. The formulation provided above is for reference purposes only. In vivo formulations may vary and should be modified based on specific experimental conditions. | ||||||||||||||||||||||||||||||
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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