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PF-06761281 (Compound 4a) is a potent and partially selective sodium-coupled citrate transporter protein (NaCT/SLC13A5) inhibitor with IC50 values of 0.51, 13.2, and 14.1 µM for NaCT, NaDC, and NaDC, respectively, and has the advantage of being orally active, reducing hepatic and renal uptake of citrate and plasma glucose concentration for metabolic diseases.


| Description | PF-06761281 (Compound 4a) is a potent and partially selective sodium-coupled citrate transporter protein (NaCT/SLC13A5) inhibitor with IC50 values of 0.51, 13.2, and 14.1 µM for NaCT, NaDC, and NaDC, respectively, and has the advantage of being orally active, reducing hepatic and renal uptake of citrate and plasma glucose concentration for metabolic diseases. |
| Targets&IC50 | Selectivity over NaDC1/NaDC3:~13 μM, HEK293 cells:0.51 μM |
| In vitro | PF-06761281 is a NaCT inhibitor with an IC₅₀ of 0.51 μM in HEK293 cells, and 0.74, 0.21, and 0.12 μM in human, mouse, and rat hepatocytes, respectively. PF-06761281 shows good selectivity over NaDC1/NaDC3 (IC₅₀ ~13 μM). Water solubility is 24 mM (pH 6.5), permeability is low (P_app = 0.3×10⁻⁶ cm/s), and hepatocyte clearance is <7 μL/min/10⁶ cells[1]. |
| Synonyms | PF06761281 |
| Molecular Weight | 283.28 |
| Formula | C13H17NO6 |
| Cas No. | 1854061-19-0 |
| Smiles | C(C[C@@](CC(O)=O)(C(O)=O)O)C1=C(OC)N=CC(C)=C1 |
| Storage | keep away from moisture | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | |||||||||||||||||||||||||||||||||||
| Solubility Information | H2O: 40 mg/mL (141.2 mM), Sonication is recommended. | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
H2O
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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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