Size : 1mLx10mM(inDMSO)
Phone : +1 850 650 7790
Synonyms: N-Phthalyl-L-tryptophan
| Description | RG108 (N-Phthalyl-L-tryptophan) is a DNA methyltransferase inhibitor with an IC50 of 115 nM. |
| Targets & IC50 | DNA methyltransferase:115 nM |
| In vivo | In iPS cells derived from SM, RG108 significantly reduces DNA activity. In tumor cells, RG108 inhibits gene demethylation and reactivation without affecting the methylation of telomeric gene sequences. |
| Synonyms | N-Phthalyl-L-tryptophan |
| Kinase Assay | In vitro methylation assay: The substrate DNA for the in vitro methylation assay is a 798 bp fragment (?423/+375 relative to the initiation codon) from the promoter region of the human p16Ink4a gene. The methylation reaction contains 350 to 400 ng substrate DNA and 4 units of M.SssI methylase (0.5 μM) in a final volume of 50 μL. Inhibitors are added to final concentrations of 10, 100, 200, and 500 μM, respectively. Reactions are done at 37 °C for 2 hours. After completion, the reaction is inactivated at 65 °C for 15 minutes and the DNA is purified using PCR Purification kit. Three hundred nanograms of purified DNA is digested for 3 hours at 60 °C with 30 units of BstUI and analyzed on 2% Tris-borate EDTA agarose gels. |
| Cell Research | For the determination of cellular growth and viability, cells are stained with trypan blue and counted using a standard counting grid.(Only for Reference) |
| Molecular Weight | 334.33 |
| Formula | C19H14N2O4 |
| Cas No. | 48208-26-0 |
| Smiles | [C@H](CC=1C=2C(NC1)=CC=CC2)(C(O)=O)N3C(=O)C=4C(C3=O)=CC=CC4 |
| Relative Density. | 1.502 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 | Ethanol: 33.4 mg/mL (99.9 mM), Sonication is recommended. DMSO: 255 mg/mL (762.72 mM), Sonication is recommended.  | ||||||||||||||||||||||||||||||||||||||||
| In Vivo Formulation | 10% DMSO+40% PEG300+5% Tween 80+45% Saline: 2 mg/mL (5.98 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 | |||||||||||||||||||||||||||||||||||||||||
Ethanol/DMSO
DMSO
Note : The dilution table applies only to solid products. For liquid products, please calculate the stock solution based on the stated concentration and/or density. | |||||||||||||||||||||||||||||||||||||||||
For example, if the intended dosage is 10 mg/kg for animals weighing 20 g , with a dosing volume of 100 μL per animal, and a total of 10 animals are to be administered, using a formulation of 
10% DMSO+ 40% PEG300+ 5% Tween 80+ 45% Saline/PBS/ddH2O , the resulting working solution concentration would be 2 mg/mL.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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