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JNJ-18038683

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Catalog No. T11720Cas No. 851376-05-1

JNJ-18038683 is a 5-Hydroxytryptamine Type 7 (5-HT7) receptor antagonist with pKis of 8.19 and 8.20 for rat and human 5-HT7 in HEK293 cells, respectively.

JNJ-18038683

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Purity: 97.29%

Catalog No. T11720Cas No. 851376-05-1

JNJ-18038683 is a 5-Hydroxytryptamine Type 7 (5-HT7) receptor antagonist with pKis of 8.19 and 8.20 for rat and human 5-HT7 in HEK293 cells, respectively.

Pack Size	Price	USA Warehouse	Global Warehouse
2 mg	$30	In Stock	In Stock
5 mg	$46	In Stock	In Stock
10 mg	$83	In Stock	In Stock
25 mg	$173	In Stock	In Stock
50 mg	$273	In Stock	In Stock
100 mg	$403	In Stock	In Stock
200 mg	$573	-	In Stock
1 mL x 10 mM (in DMSO)	$50	In Stock	In Stock

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In Stock Estimated shipping dateUSA Warehouse[1-2 days] Global Warehouse[5-7 days]

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Purity:97.29%

Appearance:Solid

Color:White

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COA HNMR LCMS

Product Introduction

Bioactivity

Description	JNJ-18038683 is a 5-Hydroxytryptamine Type 7 (5-HT7) receptor antagonist with pKis of 8.19 and 8.20 for rat and human 5-HT7 in HEK293 cells, respectively.
Targets&IC50	5-HT7 receptor (rat):8.19(pKi, in HEK293 cells ), 5-HT7 receptor (human):8.2(pKi, in HEK293 cells )
In vitro	JNJ-18038683 produces a concentration-dependent decrease of 5-HT (100 nM)-stimulated adenylyl cyclase. The pKB values determined for JNJ-18038683 are in good agreement with the corresponding Ki values determined from [3H]5-CT binding studies.JNJ-18038683 displaced, with high affinity, specific [3H]5-CT binding sites from rat and human 5-HT7 receptor express in HEK293 cells (pKi=8.19±0.02 and 8.20±0.01, respectively). Similar values are obtained on the native 5-HT7 in membranes from rat thalamus (pKi=8.50±0.20). Hill slope values are close to unity, suggesting one-site competitive binding. Antagonist potency of JNJ-18038683 is determined by the measurement of adenylate cyclase activity in HEK293 cells expressing the human or rat 5-HT7 receptor. 5-HT stimulates adenylyl cyclase activity in rat and human 5-HT7/HEK293 cells with a pEC50 of 8.09 and 8.12, respectively.
In vivo	JNJ-18038683 dose-dependently reduces REM sleep, particularly within the first 4 hours post-administration, with a significant decrease observed from a dosage of 1 mg/kg (P<0.05). Furthermore, it extends REM sleep latency, showing a significant prolongation at the highest dose tested (10 mg/kg; P<0.05), indicating that these effects are specific to the REM sleep state. An additional study evaluated the impact of administering JNJ-18038683 daily for 7 days (1 mg/kg s.c. per day) on EEG sleep patterns in rats, focusing on REM sleep both during treatment and after its cessation. Initial treatment significantly reduced REM sleep duration in the first 8 hours and increased REM latency, which remained elevated throughout the 7-day treatment but returned to normal after treatment stopped. While the reduction in REM sleep persisted during the treatment period, a rebound increase in REM sleep occurred upon treatment discontinuation. Neither the latency nor the total time of NREM sleep was impacted over the treatment course.

Chemical Properties

Molecular Weight	529.97
Formula	C₂₆H₂₈ClN₃O₇
Cas No.	851376-05-1
Smiles	OC(=O)CC(O)(CC(O)=O)C(O)=O.Clc1ccc(cc1)-c1nn(Cc2ccccc2)c2CCNCCc12
Relative Density.	no data available

Storage & Solubility Information

Storage

Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature.

Solubility Information

DMSO: 200 mg/mL (377.38 mM), Sonication is recommended.

In Vivo Formulation

10% DMSO+40% PEG300+5% Tween 80+45% Saline: 5 mg/mL (9.43 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

	1mg	5mg	10mg	50mg
1 mM	1.8869 mL	9.4345 mL	18.8690 mL	94.3450 mL
5 mM	0.3774 mL	1.8869 mL	3.7738 mL	18.8690 mL
10 mM	0.1887 mL	0.9434 mL	1.8869 mL	9.4345 mL
20 mM	0.0943 mL	0.4717 mL	0.9434 mL	4.7172 mL
50 mM	0.0377 mL	0.1887 mL	0.3774 mL	1.8869 mL
100 mM	0.0189 mL	0.0943 mL	0.1887 mL	0.9434 mL

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In Vivo Formulation Calculator (Clear solution)

Please enter your animal experiment information in the following box and click Calculate to obtain the stock solution preparation method and in vivo formula preparation method:

For example, if the intended dosage is 10 mg/kg for animals weighing 20 g , with a dosing volume of 100 μL per animal, TargetMol | Animal experiments

and a total of 10 animals are to be administered, using a formulation of TargetMol | reagent

10% DMSO+ 40% PEG300+ 5% Tween 80+ 45% Saline/PBS/ddH₂O , the resulting working solution concentration would be 2 mg/mL.

Stock Solution Preparation:

Dissolve 2 mg of the compound in 100 μL DMSO TargetMol | reagent 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.

Preparation of the In Vivo Formulation:

1) Add 100 μL of the DMSO TargetMol | reagent 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 TargetMol | reagent and mix thoroughly until a homogeneous solution is obtained.

This example is provided solely to demonstrate the use of the In Vivo Formulation Calculator and does not constitute a recommended formulation for any specific compound. Please select an appropriate dissolution and formulation strategy based on your experimental model and route of administration.

All co-solvents required for this protocol, includingDMSO, PEG300/PEG400, Tween 80, SBE-β-CD, and Corn oil, are available for purchase on the TargetMol website.

Dose Conversion

You can also refer to dose conversion for different animals. More Dose Conversion

Tech Support

Please see Inhibitor Handling Instructions for more frequently ask questions. Topics include: how to prepare stock solutions, how to store products, and cautions on cell-based assays & animal experiments, etc