2. Membrane Transporter/Ion Channel
  3. P2X Receptor
  4. BAY-1797

BAY-1797 is a potent, orally active, and selective P2X4 antagonist, with an IC50 of 211 nM against human P2X4. BAY-1797 displays no or very weak activity on the other P2X ion channels. BAY-1797 shows anti-nociceptive and anti-inflammatory effects.

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BAY-1797 Chemical Structure

BAY-1797 Chemical Structure

CAS No. : 2055602-83-8

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Based on 2 publication(s) in Google Scholar

BAY-1797 Related Antibodies

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Description

BAY-1797 is a potent, orally active, and selective P2X4 antagonist, with an IC50 of 211 nM against human P2X4. BAY-1797 displays no or very weak activity on the other P2X ion channels. BAY-1797 shows anti-nociceptive and anti-inflammatory effects[1].

IC50 & Target

P2X4 Receptor

 

Cellular Effect
Cell Line Type Value Description References
HEK293 IC50
211 nM
Compound: 10; BAY-1797
Antagonist activity at human P2X4 receptor tranfected in HEK293 cells assessed as inhibition of Bz-ATP-induced calcium influx incubated for 30 mins and measured every 2 secs for 120 secs by Fluo8-AM staining based FLIPR assay
Antagonist activity at human P2X4 receptor tranfected in HEK293 cells assessed as inhibition of Bz-ATP-induced calcium influx incubated for 30 mins and measured every 2 secs for 120 secs by Fluo8-AM staining based FLIPR assay
[PMID: 31746599]
In Vitro

BAY-1797 inhibits human, mouse, and rat P2X4 in 1321N1 cells with IC50s of 108 nM, 112 nM, and 233 nM, respectively[1].
BAY-1797 exerts no measurable activity on hERG and carbonic anhydrase II (both IC50>10 μM). BAY-1797 shows an inhibitory activity against the dopamine transporter (DAT, IC50 2.17 μM)[1].

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

BAY-1797 Related Antibodies
In Vivo

BAY-1797 (12.5-50 mg/kg; p.o.) shows a significant induction of PGE2 levels in the inflamed paw in the mouse Complete Freund’s Adjuvant (CFA) inflammatory pain model[1].
BAY-1797 (50 mg/kg; once daily for multiple p.o. administrations) induces a significant reduction of the ipsilateral paw load 24 and 48 h after CFA injection[1].
BAY-1797 treatment shows the AUCnorm, Vss and t1/2 are 1.06 kg h/L, 3.67 L/kg and 2.64 hours, respectively[1].

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

Animal Model: Female adult C57BL/6N mice (CFA inflammatory pain model)[1]
Dosage: 12.5, 25, 50 mg/kg
Administration: p.o.; once
Result: Dose-dependently reduced PGE2 concentration in inflamed paw.
Animal Model: Rat male Wistar[1]
Dosage: 1 mg/kg
Administration: i.v. (Pharmacokinetic Analysis)
Result: The AUCnorm, Vss and t1/2 were 1.06 kg h/L, 3.67 L/kg and 2.64 hours, respectively.
Molecular Weight

416.88

Formula

C20H17ClN2O4S
CAS No.
Appearance

Solid

Color

Light yellow to yellow

SMILES

O=C(NC1=CC=C(OC2=CC=CC(Cl)=C2)C(S(=O)(N)=O)=C1)CC3=CC=CC=C3
Shipping

Room temperature in continental US; may vary elsewhere.
Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
Solvent & Solubility
In Vitro: 

DMSO : 250 mg/mL (599.69 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 2.3988 mL 11.9939 mL 23.9877 mL
5 mM 0.4798 mL 2.3988 mL 4.7975 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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

  • 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)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

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In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.08 mg/mL (4.99 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.08 mg/mL (4.99 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

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g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation
References

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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.3988 mL 11.9939 mL 23.9877 mL 59.9693 mL
5 mM 0.4798 mL 2.3988 mL 4.7975 mL 11.9939 mL
10 mM 0.2399 mL 1.1994 mL 2.3988 mL 5.9969 mL
15 mM 0.1599 mL 0.7996 mL 1.5992 mL 3.9980 mL
20 mM 0.1199 mL 0.5997 mL 1.1994 mL 2.9985 mL
25 mM 0.0960 mL 0.4798 mL 0.9595 mL 2.3988 mL
30 mM 0.0800 mL 0.3998 mL 0.7996 mL 1.9990 mL
40 mM 0.0600 mL 0.2998 mL 0.5997 mL 1.4992 mL
50 mM 0.0480 mL 0.2399 mL 0.4798 mL 1.1994 mL
60 mM 0.0400 mL 0.1999 mL 0.3998 mL 0.9995 mL
80 mM 0.0300 mL 0.1499 mL 0.2998 mL 0.7496 mL
100 mM 0.0240 mL 0.1199 mL 0.2399 mL 0.5997 mL
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BAY-1797 Related Classifications

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:

BAY-17972055602-83-8BAY1797BAY 1797P2X ReceptorP2XRsselectiveP2Xionchannelanti-nociceptiveanti-inflammatoryCompleteFreund’sAdjuvantCFAinflamedpawInhibitorinhibitorinhibit

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