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Droxinostat

Name: Droxinostat
Brand: TargetMol
SKU: T6481
Price: 29 USD
Availability: InStock
Rating: 5 (10 reviews)

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Catalog No. T6481Cas No. 99873-43-5

Alias NS 41080

Droxinostat (NS 41080) is a selective HDAC inhibitor, primarily targeting HDACs 6 and 8 with IC50 values of 2.47 μM and 1.46 μM, respectively. It is over 8-fold more selective against HDAC3 and shows no inhibition for HDAC1, 2, 4, 5, 7, 9, and 10.

Droxinostat

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Purity: 99.83%

Catalog No. T6481Alias NS 41080Cas No. 99873-43-5

Pack Size	Price	USA Warehouse	Global Warehouse
25 mg	$58	In Stock	In Stock
50 mg	$93	In Stock	In Stock
100 mg	$148	In Stock	In Stock
200 mg	$222	In Stock	In Stock
1 mL x 10 mM (in DMSO)	$29	In Stock	In Stock

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

All TargetMol products are for research purposes only and cannot be used for human consumption. We do not provide products or services to individuals. Please comply with the intended use and do not use TargetMol products for any other purpose.

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Purity:99.83%

Appearance:Solid

Color:White

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COA HNMR LCMS

Product Introduction

Bioactivity

Description	Droxinostat (NS 41080) is a selective HDAC inhibitor, primarily targeting HDACs 6 and 8 with IC50 values of 2.47 μM and 1.46 μM, respectively. It is over 8-fold more selective against HDAC3 and shows no inhibition for HDAC1, 2, 4, 5, 7, 9, and 10.
Targets&IC50	HDAC8:1.46 μM, HDAC6:2.47 μM, HDAC3:16.9 μM
In vitro	Droxinostat is originally identified as a sensitizer of PPC-1 cells to FAS and TRAIL by downregulating the expression of c-Fas-associated death domain-like interleukin-1-converting enzyme-like inhibitory protein (c-FLIP). [1] In PPC-1 cells cultured in suspension but not adherent conditions, Droxinostat (20 μM–60 μM) sensitizes cells to anoikis by initially activating caspase 8 with subsequent activation of the mitochondrial pathway. Similarly, Droxinostat also sensitizes other cancer cell lines including PC-3, DU-145, T47D, and OVCAR-3, but not LNCaP or MB-MDA-468, to anoikis or CH-11-induced apoptosis. [2] However, the direct targets of Droxinostat remains enigma until recently. It is revealed that in histone deacetylases (HDAC) isoform 1-10, Droxinostat selective inhibits HDAC3, 6, and 8, with IC50 values of 16.9 μM, 2.47 μM, and 1.46 μM, respectively, without inhibiting other HDAC members (IC50 > 20 μM). [3] In MCF-7 breast cancer cells, Droxinostat (10 μM–100 μM) sensitizes cells to apoptosis by decreasing c-FLIPL and c-FLIPS expression, reducing cell survival, and inducing apoptosis. [4]
In vivo	In SCID mice models, Droxinostat (30 μM)-treated PPC-1 cells results in decreased distant tumor formation than untreated cells. [2]
Kinase Assay	HDAC Inhibition Assay: HDAC inhibition is assessed using the CycLex HDACs fluorometric assay according to the manufacturer's protocol and using crude nuclear extract from HeLa cells (principally HDAC1 and HDAC2). The relative activity is expressed as (fluorescence intensity of treated samples/fluorescence intensity of controls) × 100
Cell Research	PPC-1 cells (1 × 104) are seeded overnight into 96-well flat-bottomed plates in 100 μL of medium containing 2.5% FCS. The next day, Droxinostat is added. CH-11 antibody (100 ng/mL) is then added and the cells are incubated for 24 hours before assessing cell viability by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) dye reduction assay.(Only for Reference)
Synonyms	NS 41080

Chemical Properties

Molecular Weight	243.69
Formula	C₁₁H₁₄ClNO₃
Cas No.	99873-43-5
Smiles	Cc1cc(Cl)ccc1OCCCC(=O)NO
Relative Density.	1.252 g/cm3

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

H2O: < 1 mg/mL (insoluble or slightly soluble)

DMSO: 46 mg/mL (188.76 mM), Sonication is recommended.

Ethanol: 46 mg/mL (188.76 mM), Sonication is recommended.

In Vivo Formulation

10% DMSO+40% PEG300+5% Tween 80+45% Saline: 2 mg/mL (8.21 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/Ethanol

	1mg	5mg	10mg	50mg
1 mM	4.1036 mL	20.5179 mL	41.0357 mL	205.1787 mL
5 mM	0.8207 mL	4.1036 mL	8.2071 mL	41.0357 mL
10 mM	0.4104 mL	2.0518 mL	4.1036 mL	20.5179 mL
20 mM	0.2052 mL	1.0259 mL	2.0518 mL	10.2589 mL
50 mM	0.0821 mL	0.4104 mL	0.8207 mL	4.1036 mL
100 mM	0.0410 mL	0.2052 mL	0.4104 mL	2.0518 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