2. Membrane Transporter/Ion Channel Neuronal Signaling
  3. Potassium Channel iGluR GABA Receptor
  4. Flupirtine

Flupirtine  (Synonyms: D 9998)

製品番号: HY-17001A 純度: 99.98%
COA 取扱説明書 Technical Support

Flupirtine (D 9998) is an orally active, blood-brain barrier-crossing non-opioid analgesic and neuroprotective agent. Flupirtine is a neuronal potassium channel opener (Kv7 activator), a NMDA receptor antagonist and a GABA receptor activator. Flupirtine stabilizes blood-brain-barrier integrity, reduces oxidative stress and brain leukocyte infiltration, enhances angioneurogenesis, suppresses calcium influx, stabilizes neuronal resting membrane potential, and counteracts focal cerebral ischemia. Flupirtine exhibits analgesic, muscle relaxant properties, protects neurons from excitotoxic, ischemic, or cytokine-mediated death. Flupirtine functions as a non-opioid analgesic without antipyretic or antiphlogistic properties, shows no relevant affinity to opiate receptor. Flupirtine can be used for the research of focal cerebral ischemia, pain, Alzheimer’s disease, or multiple sclerosis.

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Flupirtine

Flupirtine 構造式

CAS 番号 : 56995-20-1

容量 価格（税別） 在庫状況 数量
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
 USD 55 在庫あり
Solution
10 mM * 1 mL in DMSO USD 55 在庫あり
Solid
5 mg $50 在庫あり
10 mg $80 在庫あり
25 mg $140 在庫あり
50 mg $200 在庫あり
100 mg $300 在庫あり
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Flupirtine 関連抗体

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製品説明

Flupirtine (D 9998) is an orally active, blood-brain barrier-crossing non-opioid analgesic and neuroprotective agent. Flupirtine is a neuronal potassium channel opener (Kv7 activator), a NMDA receptor antagonist and a GABA receptor activator. Flupirtine stabilizes blood-brain-barrier integrity, reduces oxidative stress and brain leukocyte infiltration, enhances angioneurogenesis, suppresses calcium influx, stabilizes neuronal resting membrane potential, and counteracts focal cerebral ischemia. Flupirtine exhibits analgesic, muscle relaxant properties, protects neurons from excitotoxic, ischemic, or cytokine-mediated death. Flupirtine functions as a non-opioid analgesic without antipyretic or antiphlogistic properties, shows no relevant affinity to opiate receptor. Flupirtine can be used for the research of focal cerebral ischemia, pain, Alzheimer’s disease, or multiple sclerosis[1][2][3][4][5].

IC50 & Target

NMDA Receptor

 

Kv7

 

Cellular Effect
Cell Line Type Value Description References
HEK293 EC50
0.56 μM
Compound: Retigabine
Agonist activity at human KCNQ2/3 expressed in HEK293 cells by FLIPR based thallium influx assay
Agonist activity at human KCNQ2/3 expressed in HEK293 cells by FLIPR based thallium influx assay
[PMID: 31416667]
体外実験

Flupirtine (0.1-100 μM for tsA cells; 3-30 μM for SCG neurons; 3-30 μM for hippocampal, DRG, DH neurons) enhances currents through KV7 channels in tsA 201 cells expressing KV7.2/7.3 subunits, rat SCG neurons, hippocampal neurons, DRG neurons, and DH neurons with EC50 values ranging from 4.4 to 6.1 μM[2].
Flupirtine (10, 30 μM) modulates GABAA receptors (enhancing low-concentration GABA currents) and NMDA receptors (inhibiting at 30 μM) but not TRPV1, non-NMDA glutamate, or glycine receptors in rat hippocampal neurons[2].
Flupirtine (30 μM) potentiates GABAA receptors in rat DRG, DH, and SCG neurons, with greater leftward shifts of GABA concentration-response curves in DRG and DH neurons than SCG neurons[2].
Flupirtine (0.1-100 μM) is more potent at enhancing GABAA receptor currents in rat DRG neurons (EC50 22 μM) than DH (EC50 53 μM) or hippocampal (EC50 65 μM) neurons, and therapeutic concentrations (3 μM) facilitate KV7 channels and GABAA receptors similarly in DRG/DH neurons[2].
Flupirtine (10-300 μM; 1.5 minutes) antagonizes NMDA-induced currents in cultured rat superior colliculus neurones with an IC50 of 182.1 μM for steady-state responses and 228.6 μM for peak responses[3].
Flupirtine (0.001-10 mM; 24 h) inhibits the growth of U373 MG cells with a GI50 of 0.47 mM, showing significant growth reduction at 1 and 10 mM after 24 h[4].
Flupirtine (1 mM; 24, 48 h) alters the cell cycle distribution of U373 MG cells, decreasing the percentage of cells in the G0-G1 phase compared to control after 24 and 48 h, with significant variations in cell cycle phases observed after 48 h[4].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Flupirtine 関連抗体

Cell Viability Assay[4]

Cell Line: U373 malignant glioma (MG) cells
Concentration: 0.001, 0.01, 0.1, 1, and 10 mM
Incubation Time: 24 h (0.001-10 mM); 24, 48 h (1 mM)
Result: Inhibited U373 MG cell growth with a GI50 of 0.47. Significantly reduced cell growth at high doses (1 and 10 mM) compared to low doses (0.001 to 0.1 mM) and control.

Cell Cycle Analysis[4]

Cell Line: U373 malignant glioma (MG) cells
Concentration: 1 mM
Incubation Time: 24 h; 48 h
Result: Detected G0-G0 phase percentage of 45.48, Sub G0-G0 phase percentage of 2.49, S phase percentage of 24.47, and G₂-M phase percentage of 27.56 after 24 h treatment. Detected G0-G1 phase percentage of 56.39, Sub G0-G1 phase percentage of 1.82, S phase percentage of 18.99, and G2-M phase percentage of 22.80 after 48 h treatment. Observed significant variations in cell cycle phases after 48 h but not 24 h of treatment.
体内実験

Flupirtine (1-10 mg/kg; i.p.; single dose; up to 9 h post-stroke) induces sustained neuroprotection, enhanced neurological recovery, and angioneurogenesis in mice with transient focal cerebral ischemia, with 10 mg/kg being the most effective dose[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: C57BL6 (male, 22-25 g, transient focal cerebral ischemia via left middle cerebral artery thread occlusion for 30 min)[1]
Dosage: 1, 5, 10 mg/kg; 10 mg/kg (majority of experiments)
Administration: i.p.; single dose; during reperfusion or at 3, 6, 9, 12 h post-stroke (9 h post-stroke for majority of experiments)
Result: Reduced infarct volumes on day 2 post-stroke at 5 and 10 mg/kg (1 mg/kg had no effect); reduced infarct volumes, TUNEL+ cell counts, rt-PA-induced acute brain toxicity, Evans blue extravasation, oxidative stress (TBARS formation), intracerebral leukocyte infiltration, calpain activity, JNK and NF-κB activation, and proteasomal activity at 10 mg/kg (given up to 9 h post-stroke); increased STAT6 abundance, neuronal density (NeuN+ cells), CD31+ endothelial cells, Dcx+ immature neurons, and BrdU+/NeuN+ mature neurons on day 84; improved performance in rota rod, tight rope, corner turn, and foot fault tests up to day 84 at 10 mg/kg (given up to 9 h post-stroke).
分子量

304.32

分子式

C15H17FN4O2
CAS 番号
Appearance

Solid

Color

White to light yellow

SMILES

O=C(NC1=CC=C(N=C1N)NCC2=CC=C(C=C2)F)OCC
輸送条件

Room temperature in continental US; may vary elsewhere.
保管条件

4°C, protect from light

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
溶剤 & 溶解度
体外: 

DMSO : 83.33 mg/mL (273.82 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 3.2860 mL 16.4301 mL 32.8601 mL
5 mM 0.6572 mL 3.2860 mL 6.5720 mL
10 mM 0.3286 mL 1.6430 mL 3.2860 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

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Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

一般には略語で表示されます：C1V1 = C2V2

濃度 （開始）

C1

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体積 （開始）

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In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Calculation results:
Working solution concentration: mg/mL
純度とドキュメンテーション

純度: 99.98%

COA (247 KB) HNMR (140 KB) LCMS (93 KB)

取扱説明書 (2659 KB)
参考文献

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 3.2860 mL 16.4301 mL 32.8601 mL 82.1504 mL
5 mM 0.6572 mL 3.2860 mL 6.5720 mL 16.4301 mL
10 mM 0.3286 mL 1.6430 mL 3.2860 mL 8.2150 mL
15 mM 0.2191 mL 1.0953 mL 2.1907 mL 5.4767 mL
20 mM 0.1643 mL 0.8215 mL 1.6430 mL 4.1075 mL
25 mM 0.1314 mL 0.6572 mL 1.3144 mL 3.2860 mL
30 mM 0.1095 mL 0.5477 mL 1.0953 mL 2.7383 mL
40 mM 0.0822 mL 0.4108 mL 0.8215 mL 2.0538 mL
50 mM 0.0657 mL 0.3286 mL 0.6572 mL 1.6430 mL
60 mM 0.0548 mL 0.2738 mL 0.5477 mL 1.3692 mL
80 mM 0.0411 mL 0.2054 mL 0.4108 mL 1.0269 mL
100 mM 0.0329 mL 0.1643 mL 0.3286 mL 0.8215 mL
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Flupirtine Related Classifications

  • Molarity Calculator

  • Dilution Calculator

The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

質量   濃度   体積   分子量 *
= × ×

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

一般には略語で表示されます：C1V1 = C2V2

濃度 （開始） × 体積 （開始） = 濃度 （終了） × 体積 （終了）
× = ×
C1   V1   C2   V2
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Flupirtine56995-20-1D 9998D9998D-9998Potassium ChanneliGluRGABA ReceptorKcsAIonotropic glutamate receptorsGamma-aminobutyric acid Receptorγ-Aminobutyric acid ReceptorKV7 K+ channelN-methyl-D-aspartate receptorscalpainc-Jun N-terminal kinaseinwardly rectifying neuronal potassium channelsproteasomeG-protein-regulated inwardly rectifying potassium channelsGABAA receptornuclear factor-κBfocal cerebral ischemiaInhibitorinhibitorinhibit

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