| Size | Price | Stock | Qty |
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| 5mg |
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| 10mg |
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| Other Sizes |
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Purity: ≥98%
Fmk is a novel, potent and irreversible (covalent) ribosomal S6 kinase inhibitor 1/2 inhibitor. As an irreversible RSK2 kinase inhibitor, Fmk covalently modifies the C-terminal kinase domain of RSK.
| ln Vitro |
The pretreatment of ARVM with 3 μM fmk reduced the increase in phosphorylation of Ser386 but did not affect the increase in phosphorylation of Thr577 [1]. Only a small number of the protein kinases on the panel are inhibited by FMK; nevertheless, it does inhibit S6K1 as well as protein tyrosine kinases including Src, Lck, Yes, and Eph-A2. FMK will not inhibit RSK if the N-terminal kinase domain is activated by a mechanism distinct from that of the C-terminal domain[2]. In mammalian cells, Fmk strongly and selectively inhibits RSK1 and RSK2's CTD autokinase activity. By specifically targeting RSK2 with the small molecule RSK inhibitor fmk, FGFR3-induced cytokine-independent proliferation in Ba/F3 cells was inhibited. The cytokine-independent proliferation of Ba/F3 cells that FGFR3 confers is inhibited by FMK [3].
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| References |
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| Additional Infomation |
FMK is a member of pyrroles.
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| Molecular Formula |
C18H19FN4O2
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|---|---|
| Molecular Weight |
342.367467164993
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| Exact Mass |
342.149
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| CAS # |
821794-92-7
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| Related CAS # |
CMK;821794-90-5;FMK-MEA;1414811-15-6
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| PubChem CID |
644243
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| Appearance |
White to light yellow solid powder
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| Density |
1.36g/cm3
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| Boiling Point |
633.3ºC at 760 mmHg
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| Flash Point |
336.8ºC
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| Index of Refraction |
1.649
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| LogP |
3.104
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| Hydrogen Bond Donor Count |
2
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| Hydrogen Bond Acceptor Count |
6
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| Rotatable Bond Count |
6
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| Heavy Atom Count |
25
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| Complexity |
458
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| Defined Atom Stereocenter Count |
0
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| InChi Key |
IKLGYJACVCXYIL-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C18H19FN4O2/c1-11-3-5-12(6-4-11)14-15-17(20)21-10-22-18(15)23(7-2-8-24)16(14)13(25)9-19/h3-6,10,24H,2,7-9H2,1H3,(H2,20,21,22)
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| Chemical Name |
1-[4-amino-7-(3-hydroxypropyl)-5-(4-methylphenyl)pyrrolo[2,3-d]pyrimidin-6-yl]-2-fluoroethanone
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| HS Tariff Code |
2934.99.9001
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month Note: Please store this product in a sealed and protected environment (e.g. under nitrogen), avoid exposure to moisture. |
| Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| Solubility (In Vitro) |
DMSO : ~50 mg/mL (~146.04 mM)
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|---|---|
| Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 2.5 mg/mL (7.30 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL. Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution. Solubility in Formulation 2: ≥ 2.5 mg/mL (7.30 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution. For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly. (Please use freshly prepared in vivo formulations for optimal results.) |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 2.9208 mL | 14.6041 mL | 29.2082 mL | |
| 5 mM | 0.5842 mL | 2.9208 mL | 5.8416 mL | |
| 10 mM | 0.2921 mL | 1.4604 mL | 2.9208 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration： mg/mL；
Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation:：Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O，mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
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