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PF-543 hydrochloride (PF-543) inhibits SphK1 with a K(i) of 3.6 nM, is sphingosine-competitive and is more than 100-fold selective for SphK1 over the SphK2 isoform.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 1 mg | $33 | In Stock | In Stock | |
| 5 mg | $70 | In Stock | In Stock | |
| 10 mg | $137 | In Stock | In Stock | |
| 25 mg | $248 | In Stock | In Stock | |
| 50 mg | $335 | In Stock | In Stock | |
| 100 mg | $513 | In Stock | In Stock | |
| 1 mL x 10 mM (in DMSO) | $105 | In Stock | In Stock |
| Description | PF-543 hydrochloride (PF-543) inhibits SphK1 with a K(i) of 3.6 nM, is sphingosine-competitive and is more than 100-fold selective for SphK1 over the SphK2 isoform. |
| Targets&IC50 | S1P1:26.7 nM (IC50), SPHK1:2 nM (IC50), SPHK1:3.6 nM (Ki) |
| In vitro | SphK1 inhibition by PF-543 causes a dose-dependent depletion of the intracellular level of S1P with EC50 concentration of 8.4 nM and a concomitant elevation of the intracellular level of sphingosine in 1483 cells. The level of endogenous S1P in 1483 cells after a 1 h treatment with 200 nM PF-543 is decreased 10-fold, producing a proportional increase in the level of sphingosine. |
| In vivo | PF543 was found to be a potent inhibitor (IC50 = 26.7 nM) capable of blocking >90% of C17-S1P formation in the blood. |
| Synonyms | PF-543 HCL |
| Molecular Weight | 502.1 |
| Formula | C27H32ClNO4S |
| Cas No. | 1706522-79-3 |
| Smiles | Cl.Cc1cc(CS(=O)(=O)c2ccccc2)cc(OCc2ccc(CN3CCC[C@@H]3CO)cc2)c1 |
| Relative Density. | no data available |
| Storage | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | ||||||||||||||||||||||||||||||
| Solubility Information | DMSO: 50 mg/mL (99.58 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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