Art. -Nr.: HY-30234

Clemizole

1 Cited Publications

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Clemizole is an H1 histamine receptor antagonist, is found to substantially inhibit HCV replication. Clemizole is an inhibitor of TRPC5 channel. The IC₅₀ of Clemizole for RNA binding by NS4B is 24±1 nM, whereas its EC₅₀ for viral replication is 8 µM.

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Reinheit: 98.42%
CAS. Nr.: 442-52-4
Formel: C₁₉H₂₀ClN₃
Molecular Weight:325.84

Speicherung:

Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month

Clemizole Chemical Structure

CAS. Nr.: 442-52-4

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Fluorescent Dye

Strong Fluorescence Signal / Multi-Disciplinary Applications / High Fluorescence Specificity

Biologische Aktivität
- Beschreibung
- IC₅₀ & Target
- Cellular Effect
- In Vitro
- In Vivo
- Clinical Trial
Chemical Information
Publications (1)
Lösungsmittel & Löslichkeit
- In Vitro
- In Vivo
Protokoll
Reinheit & Dokumentation
Verweise
Help & FAQs
Classifications
Bioz

Biologische Aktivität

Beschreibung

IC₅₀ & Target

IC50: 24 nM (NS4B)^[1]
H1 histamine receptor^[1]

Alle Histamine Receptor Isoform-spezifische Produkte anzeigen :

Alle TRP Channel Isoform-spezifische Produkte anzeigen :

Cellular Effect

Cell Line	Type	Value	Description	References
HEK293	IC₅₀	>20 μM Compound: 18	Inhibition of CFP-tagged rat TRPV1 expressed in HEK293 cells assessed as reduction in calcium level by fluo-4 dye based fluorescence assay Inhibition of CFP-tagged rat TRPV1 expressed in HEK293 cells assessed as reduction in calcium level by fluo-4 dye based fluorescence assay	[PMID: 30943030]
HEK293	IC₅₀	>20 μM Compound: 18	Inhibition of YFP-tagged mouse TRPV4 expressed in HEK293 cells assessed as reduction in calcium level by fluo-4 dye based fluorescence assay Inhibition of YFP-tagged mouse TRPV4 expressed in HEK293 cells assessed as reduction in calcium level by fluo-4 dye based fluorescence assay	[PMID: 30943030]
HEK293	IC₅₀	>20 μM Compound: 18	Inhibition of YFP-tagged rat TRPV2 expressed in HEK293 cells assessed as reduction in calcium level by fluo-4 dye based fluorescence assay Inhibition of YFP-tagged rat TRPV2 expressed in HEK293 cells assessed as reduction in calcium level by fluo-4 dye based fluorescence assay	[PMID: 30943030]
HEK293	IC₅₀	>20 μM Compound: 18	Inhibition of YFP-tagged rat TRPV3 expressed in HEK293 cells assessed as reduction in calcium level by fluo-4 dye based fluorescence assay Inhibition of YFP-tagged rat TRPV3 expressed in HEK293 cells assessed as reduction in calcium level by fluo-4 dye based fluorescence assay	[PMID: 30943030]
HEK293	IC₅₀	11.3 μM Compound: 18	Inhibition of YFP-tagged human TRPC6 expressed in thapsigargin treated HEK293 cells assessed as reduction in amix-induced calcium level by fluo-4 dye based fluorescence assay Inhibition of YFP-tagged human TRPC6 expressed in thapsigargin treated HEK293 cells assessed as reduction in amix-induced calcium level by fluo-4 dye based fluorescence assay	[PMID: 30943030]
HEK293	IC₅₀	26.5 μM Compound: 18	Inhibition of YFP-tagged mouse TRPC7 expressed in thapsigargin treated HEK293 cells assessed as reduction in amix-induced calcium level by fluo-4 dye based fluorescence assay Inhibition of YFP-tagged mouse TRPC7 expressed in thapsigargin treated HEK293 cells assessed as reduction in amix-induced calcium level by fluo-4 dye based fluorescence assay	[PMID: 30943030]
HEK293	IC₅₀	6.4 μM Compound: 18	Inhibition of YFP-tagged mouse TRPC4 beta expressed in thapsigargin treated HEK293 cells co-expressing M3 receptor assessed as reduction in carbachol-induced calcium level by fluo-4 dye based fluorescence assay Inhibition of YFP-tagged mouse TRPC4 beta expressed in thapsigargin treated HEK293 cells co-expressing M3 receptor assessed as reduction in carbachol-induced calcium level by fluo-4 dye based fluorescence assay	[PMID: 30943030]
HEK293	IC₅₀	9.1 μM Compound: 18	Inhibition of YFP-tagged human TRPC3 expressed in thapsigargin treated HEK293 cells assessed as reduction in amix-induced calcium level by fluo-4 dye based fluorescence assay Inhibition of YFP-tagged human TRPC3 expressed in thapsigargin treated HEK293 cells assessed as reduction in amix-induced calcium level by fluo-4 dye based fluorescence assay	[PMID: 30943030]
Huh-7	CC₅₀	39.4 μM Compound: Clemizole	Cytotoxicity against human Huh7.5 cells assessed as cell viability after 72 hrs by MTT assay Cytotoxicity against human Huh7.5 cells assessed as cell viability after 72 hrs by MTT assay	[PMID: 24561671]
Huh-7	EC₅₀	8 μM Compound: Clemizole	Antiviral activity against Hepatitis C virus JFH-1 J6 genotype 2a infected in human Huh7.5 cells assessed as inhibition of viral RNA replication after 72 hrs by luciferase reporter gene assay Antiviral activity against Hepatitis C virus JFH-1 J6 genotype 2a infected in human Huh7.5 cells assessed as inhibition of viral RNA replication after 72 hrs by luciferase reporter gene assay	[PMID: 24561671]

In Vitro

Clemizole hydrochloride is found to inhibit HCV RNA replication in cell culture that is mediated by its suppression of NS4B’s RNA binding, with little toxicity for the host cell. The EC₅₀ of Clemizole on the W55R mutant J6/JFH RNA is ~18 µM (2.25 times the EC₅₀ of the wild-type RNA)^[1]. Clemizole is a novel inhibitor of TRPC5 channels. Clemizole efficiently blocks TRPC5 currents and Ca²⁺ entry in the low micromolar range (IC₅₀=1.0-1.3 µM). Clemizole exhibits a six-fold selectivity for TRPC5 over TRPC4β (IC₅₀=6.4 µM), the closest structural relative of TRPC5, and an almost 10-fold selectivity over TRPC3 (IC₅₀=9.1 µM) and TRPC6 (IC₅₀=11.3 µM). Clemizole hydrochloride as a novel blocker of TRPC5 with a half-maximal inhibitory concentration of 1.1 µM. The concentration-response curves confirmed a concentration-dependent block of TRPC5 by Clemizole and revealed an apparent IC₅₀ of 1.1±0.04 µM^[2].

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

In Vivo

Clemizole hydrochloride has an unexpectedly short plasma half-life (measured at 0.15 hours); it is very rapidly biotransformed into a glucuronide (M14) and a dealkylated metabolite (M12) and into a variety of lesser metabolites in C57BL/6J mice^[3].

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

Clinical Trial

NCT Number	Sponsor	Condition	Start Date	Phase A549
NCT01329991	Plexxikon\|		2011-05	PHASE1

Chemical Information

CAS. Nr. 442-52-4
Appearance Powder
Molecular Weight 325.84
Formel C₁₉H₂₀ClN₃
Color White to off-white
SMILES

ClC1=CC=C(C=C1)CN2C(CN3CCCC3)=NC4=CC=CC=C24
Versand

Room temperature in continental US; may vary elsewhere.

Speicherung

Powder	-20°C	3 years
	4°C	2 years
In solvent	-80°C	6 months
	-20°C	1 month

Publications (1)

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Journal Impact Factor

bioRxiv

Cellular N-myristoyl transferases Are Required for Mammarenavirus Multiplication. [Abstract]

2024 Aug 1:2024.08.01.606235. PMID: 39211253

Lösungsmittel & Löslichkeit

In Vitro:

DMSO : 50 mg/mL (153.45 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

View the Complete Stock Solution Preparation Table

Preparing Stock Solutions

View the Complete Stock Solution Preparation Table

Concentration Solvent Mass

1 mg

5 mg

10 mg

Concentration

Solvent

Mass

1 mM

3.0690 mL

15.3450 mL

30.6899 mL

5 mM

0.6138 mL

3.0690 mL

6.1380 mL

10 mM

0.3069 mL

1.5345 mL

3.0690 mL

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. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Molaritätsrechner

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

Mass Mass

Konzentration Konzentration

Volumen Volumen

Molecular Weight Molecular Weight

Verdünnungsrechner

Konzentration _{(Stammlösung)} × Volumen _{(Stammlösung)} = Konzentration _{(Ziellösung)} × Volumen _{(Ziellösung)}

Konzentration _{(Stammlösung)} Konzentration _{(Stammlösung)}

Volumen _{(Stammlösung)} Volumen _{(Stammlösung)}

Konzentration _{(Ziellösung)} Konzentration _{(Ziellösung)}

Volumen _{(Ziellösung)} Volumen _{(Ziellösung)}

In Vivo:

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

Stock Solution Working Solution

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: ≥ 2.5 mg/mL (7.67 mM); Clear solution

This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 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.

Protocol 2

Add each solvent one by one: 10% DMSO 90% Corn Oil

Solubility: ≥ 2.5 mg/mL (7.67 mM); Clear solution

This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown). If the continuous dosing period exceeds half a month, please choose this protocol carefully.

Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL Corn oil, and mix evenly.

In Vivo Dissolution Calculator

Please enter the basic information of animal experiments:

Dosage Dosage
mg/kg
Animal Weight (Per Animal) Animal Weight (Per Animal)
g
Dosing Volume (Per Animal) Dosing Volume (Per Animal)
μL
Number of Animals Number of Animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.

Please enter your animal formula composition:

%
DMSO +

Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
%
+
+
%
Tween-80 + +
%
Saline +

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).

Working solution concentration: 0.22 mg/mL

Protokoll

Cell Assay^[1]

Huh7.5 cells are maintained in DMEM supplemented with 1% L-glutamine, 1% penicillin, 1% streptomycin, 1× nonessential amino acids and 10% FBS. Cell lines are passaged twice weekly after treatment with 0.05% trypsin-0.02% EDTA and seeding at a dilution of 1:5. Subconfluent Huh7.5 cells are trypsinized and collected by centrifugation at 700g for 5 min. The cells are then washed three times in ice-cold RNase-free PBS and resuspended at 1.5×10⁷ cells/mL in PBS. Wild-type or mutant FL-J6/JFH-5′C19Rluc2AUbi RNA for electroporation is generated by transcription of XbaI linearized DNA templates using the T7 MEGAscript kit, followed by purification (RNA transcription and fluorescent labeling). We mixed 5 µg of RNA with 400 µL of washed Huh7.5 cells in a 2-mm-gap cuvette (BTX) and immediately pulsed (0.82 kV, five 99 µs pulses) with a BTX-830 electroporator. After a 10 min recovery at 25°C, pulsed cells are diluted into 10 mL of prewarmed growth medium. Cells from several electroporations are pooled to a common stock and seeded in 6-well plates (5×10⁵ cells per well). After 24 h, medium is replaced and cells are grown in the presence of serial dilutions of the various inhibitory compounds (e.g., Clemizole hydrochloride) identified in the screen. Seventeen commercially available compounds, out of the 18 identified, are analyzed. Untreated cells are used as a negative control for water-soluble compounds. For compounds (e.g., Clemizole hydrochloride) solubilized in DMSO, untreated cells are grown in the presence of corresponding concentrations of the solvent as a negative control. Medium is changed daily. After 72 h of treatment cells are subjected to an Alamar Blue-based viability assay and luciferase assay. After 72 h of treatment cells are incubated for 3 h at 37°C in the presence of 10% Alamar Blue reagent. Plates are then scanned and fluorescence is detected by using FLEXstation II 384. Depending on the inhibitory compound’s solvent (e.g., Clemizole hydrochloride), water or DMSO, signal is normalized relatively to untreated samples or samples grown in the presence of DMSO, respectively^[1].

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

Animal Administration^[3]

Mice^[3]
Eight control NOG mice and eight humanized TK-NOG mice are administered 25 mg/kg by mouth Clemizole, and blood samples are collected 30 minutes after administration. The C57BL/6J mice (3 per time point) are given 25 mg/kg by mouth clemizole, and blood samples are collected for analysis at 15 and 30 minutes and 1, 2, 4, and 6 hours after administration. For the DDI studies, eight humanized TK-NOG mice are given Clemizole (25 mg/kg by mouth) with or without Ritonavir (20 mg/kg by mouth), and blood samples are collected 30 minutes after administration. Six of these mice are also treated with Debrisoquine (10 mg/kg by mouth) in the presence or absence of Ritonavir (20 mg/kg by mouth), and plasma samples are obtained 2 hours later for analysis.

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

Reinheit & Dokumentation

Select Batch:

Reinheit: 99.98%

Assay: 99.98%

ee.: 99.98%

Data Sheet (284 KB)
SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Handling Instructions (2659 KB)

Verweise

[1]. Einav S, et al. Discovery of a hepatitis C target and its pharmacological inhibitors by microfluidic affinity analysis. Nat Biotechnol. 2008 Sep;26(9):1019-27 [Content Brief]

[2]. Richter JM, et al. Clemizole hydrochloride is a novel and potent inhibitor of transient receptor potential channel TRPC5. Mol Pharmacol. 2014 Nov;86(5):514-21 [Content Brief]

[3]. Nishimura T, et al. Using chimeric mice with humanized livers to predict human drug metabolism and a drug-drug interaction. J Pharmacol Exp Ther. 2013 Feb;344(2):388-96. [Content Brief]

Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

Complete Stock Solution Preparation Table

Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. 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	3.0690 mL	15.3450 mL	30.6899 mL	76.7248 mL
	5 mM	0.6138 mL	3.0690 mL	6.1380 mL	15.3450 mL
	10 mM	0.3069 mL	1.5345 mL	3.0690 mL	7.6725 mL
	15 mM	0.2046 mL	1.0230 mL	2.0460 mL	5.1150 mL
	20 mM	0.1534 mL	0.7672 mL	1.5345 mL	3.8362 mL
	25 mM	0.1228 mL	0.6138 mL	1.2276 mL	3.0690 mL
	30 mM	0.1023 mL	0.5115 mL	1.0230 mL	2.5575 mL
	40 mM	0.0767 mL	0.3836 mL	0.7672 mL	1.9181 mL
	50 mM	0.0614 mL	0.3069 mL	0.6138 mL	1.5345 mL
	60 mM	0.0511 mL	0.2557 mL	0.5115 mL	1.2787 mL
	80 mM	0.0384 mL	0.1918 mL	0.3836 mL	0.9591 mL
	100 mM	0.0307 mL	0.1534 mL	0.3069 mL	0.7672 mL

Keywords

Clemizole

1 Cited Publications

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Clemizole

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Publications Citing Use of MedChemExpress (MCE) Clemizole

Alle Histamine Receptor Isoform-spezifische Produkte anzeigen

Alle TRP Channel Isoform-spezifische Produkte anzeigen

Biologische Aktivität

Chemical Information

Publications (1)

Lösungsmittel & Löslichkeit

Protokoll

Reinheit & Dokumentation

Verweise

Help & FAQs

Complete Stock Solution Preparation Table

Clemizole Related Classifications

HY-30234 Related Classifications