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Trimethoprim (NSC-106568) is a Dihydrofolate Reductase Inhibitor Antibacterial. The mechanism of action of trimethoprim is as a Dihydrofolate Reductase Inhibitor, and Cytochrome P450 2C8 Inhibitor, and Organic Cation Transporter 2 Inhibitor.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 500 mg | $45 | In Stock | In Stock |
| Description | Trimethoprim (NSC-106568) is a Dihydrofolate Reductase Inhibitor Antibacterial. The mechanism of action of trimethoprim is as a Dihydrofolate Reductase Inhibitor, and Cytochrome P450 2C8 Inhibitor, and Organic Cation Transporter 2 Inhibitor. |
| In vivo | Trimethoprim acts by interfering with the bacterial dihydrofolate reductase, inhibiting the synthesis of tetrahydrofolic acid. This inhibition causes a deficiency in nucleotides essential for bacterial DNA replication, which in some instances leads to cell death due to thymineless death. |
| Synonyms | NSC-106568, NIH 204, BW 56-72 |
| Molecular Weight | 290.32 |
| Formula | C14H18N4O3 |
| Cas No. | 738-70-5 |
| Smiles | COC1=CC(CC2=CN=C(N)N=C2N)=CC(OC)=C1OC |
| Relative Density. | 1.1648 g/cm3 (Estimated) |
| Storage | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | |||||||||||||||||||||||||||||||||||
| Solubility Information | DMSO: 122 mg/mL (420.23 mM), Sonication is recommended. Ethanol: < 1 mg/mL (insoluble or slightly soluble) | |||||||||||||||||||||||||||||||||||
| In Vivo Formulation | 10% DMSO+40% PEG300+5% Tween 80+45% Saline: 4 mg/mL (13.78 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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