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GRP78-IN-3, a potent small-molecule-competitive inhibitor of Hsp70 substrate binding and is a selective Grp78 (HSPA5) inhibitor with an IC50 of 0.59 μM. GRP78-IN-3 is 7-fold selective for HspA5 compared to HspA9 (IC50 of 4.3 μM) and >20-fold selective for HspA5 compared to HspA2 (IC50 of 13.9 μM).

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 1 mg | $44 | In Stock | In Stock | |
| 5 mg | $105 | In Stock | In Stock | |
| 10 mg | $163 | In Stock | In Stock | |
| 25 mg | $313 | In Stock | In Stock | |
| 50 mg | $497 | In Stock | In Stock | |
| 100 mg | $813 | In Stock | In Stock | |
| 500 mg | $1,630 | - | In Stock |
| Description | GRP78-IN-3, a potent small-molecule-competitive inhibitor of Hsp70 substrate binding and is a selective Grp78 (HSPA5) inhibitor with an IC50 of 0.59 μM. GRP78-IN-3 is 7-fold selective for HspA5 compared to HspA9 (IC50 of 4.3 μM) and >20-fold selective for HspA5 compared to HspA2 (IC50 of 13.9 μM). |
| Targets&IC50 | HSPA5:0.59 μM |
| In vitro | GRP78-IN-3 (0.1-100 μM) shows more potent inhibition efffects in a spheroid tumor model (U251 glioblastoma cells and H520 lung cancer cells) [1]. |
| Molecular Weight | 342.42 |
| Formula | C17H18N4O2S |
| Cas No. | 2707510-30-1 |
| Smiles | C(N[C@H](C(NC1=NC=CS1)=O)[C@H](C)C)(=O)C2=CC=3C(N2)=CC=CC3 |
| Relative Density. | 1.355 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: Slightly soluble |
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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