Home Tools

Onalespib

Catalog No. T6284 CAS 912999-49-6

Synonyms: AT13387, Onalespib (AT13387)

Onalespib (AT13387) is a synthetic, orally bioavailable, small-molecule inhibitor of heat shock protein 90 (Hsp90) with potential antineoplastic activity. Onalespib selectively binds to Hsp90, thereby inhibiting its chaperone function and promoting the degradation of oncogenic signaling proteins involved in tumor cell proliferation and survival. Hsp90, a chaperone protein upregulated in a variety of tumor cells, regulates the folding, stability and degradation of many oncogenic signaling proteins.

All products from TargetMol are for Research Use Only. Not for Human or Veterinary or Therapeutic Use.

Onalespib, CAS 912999-49-6

Pack Size	Availability	Price/USD
1 mg	In stock	$ 41.00
2 mg	In stock	$ 59.00
5 mg	In stock	$ 90.00
10 mg	In stock	$ 162.00
25 mg	In stock	$ 267.00
50 mg	In stock	$ 378.00
100 mg	In stock	$ 562.00
500 mg	In stock	$ 1,230.00
1 mL * 10 mM (in DMSO)	In stock	$ 90.00

Bulk Inquiry

Select Batch

Purity: 99.82%

Purity: 98.05%

Biological Description

Chemical Properties

Storage & Solubility Information

Description	Onalespib (AT13387) is a synthetic, orally bioavailable, small-molecule inhibitor of heat shock protein 90 (Hsp90) with potential antineoplastic activity. Onalespib selectively binds to Hsp90, thereby inhibiting its chaperone function and promoting the degradation of oncogenic signaling proteins involved in tumor cell proliferation and survival. Hsp90, a chaperone protein upregulated in a variety of tumor cells, regulates the folding, stability and degradation of many oncogenic signaling proteins.
Targets&IC50	HSP90 (AT13387):18 nM
Kinase Assay	HSP90 competition isothermal calorimetry: Kd values for AT13387 binding to HSP90 are determined with a competition Isothermal Calorimetry (ITC) format. ITC experiments are performed on a Micro Cal VP-ITC at 25 °C in a buffer comprising 25 mM Tris, 100 mM NaCl, 1 mM MgCl2 and 1 mM Tris(2-carboxy- ethyl)phosphine at pH 7.4 in order to maintain the higher affinit
Cell Research	The human cell lines including A375, 22RV1, T474, DU1 45, LNCa P, MCF-7, DA-MB-468 are seeded into 96-well plates before the addition of AT13387 in 0.1% (v/v) DMSO. GI50 are determined using a 10-point dose response curve for three cell doubling times. After AT13387 incubation 10% (v/v), Alamar blueis added, and cells are incubated for a further 4 hours. Fluorescence is read.(Only for Reference)

Synonyms	AT13387, Onalespib (AT13387)
Molecular Weight	409.52
Formula	C24H31N3O3
CAS No.	912999-49-6

Storage

Powder: -20°C for 3 years | In solvent: -80°C for 1 year

Solubility Information

DMSO: 4.1 mg/mL (10 mM), Sonication is recommended.

References and Literature

1. Lyons J, et al.Poser A217. 2. Graham B, et al. Cancer Sci. 2012, 103(3), 522-527. 3. Wang Y, Ma H, Huang J, et al. Discovery of bardoxolone derivatives as novel orally active necroptosis inhibitors[J]. European Journal of Medicinal Chemistry. 2020: 113030.

Citations

1. Wang Y, Ma H, Huang J, et al. Discovery of bardoxolone derivatives as novel orally active necroptosis inhibitors. European Journal of Medicinal Chemistry,. 2021 Feb 15;212:113030

Related compound libraries

This product is contained In the following compound libraries：

Inhibitor Library Anti-Cancer Clinical Compound Library Drug Repurposing Compound Library Anti-Cancer Active Compound Library Anti-Cancer Drug Library Orally Active Compound Library Anti-Metabolism Disease Compound Library Anti-Lung Cancer Compound Library Exosome Compound Library Cytoskeletal Signaling Pathway Compound Library

Related Products

Related compounds with same targets

NDNA3 BX-2819 Pimitespib Triptolide VER-155008 NVP-HSP990 YUM70 Geldanamycin

Dose Conversion

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

In vivo Formulation Calculator (Clear solution)

Step One: Enter information below

Dosage

mg/kg

Average weight of animals

Dosing volume per animal

Number of animals

Step Two: Enter the in vivo formulation

% DMSO+

% +

% Tween 80+

% ddH₂O

%DMSO+

Calculate Reset

Calculation results:

Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO (Master liquid concentration mg/mL)，Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation：Take μL DMSO master liquid, next add μL PEG300， mix and clarify, next add μL Tween 80，mix and clarify, next add μL ddH₂O, mix and clarify.

Note:

Be sure to add the solvent(s) in order. Physical methods such as vortex, ultrasound or hot water bath can be used to aid dissolving.

Calculator

Molarity Calculator

Dilution Calculator

Reconstitution Calculation

Molecular Weight Calculator

Mass

Concentration

Volume

Molecular Weight

Molarity Calculator allows you to calculate the

Mass of a compound required to prepare a solution of known volume and concentration
Volume of solution required to dissolve a compound of known mass to a desired concentration
Concentration of a solution resulting from a known mass of compound in a specific volume

See Example

An example of a molarity calculation using the molarity calculator
What is the mass of compound required to make a 10 mM stock solution in 10 ml of water given that the molecular weight of the compound is 197.13 g/mol?
Enter 197.13 into the Molecular Weight (MW) box
Enter 10 into the Concentration box and select the correct unit (millimolar)
Enter 10 into the Volume box and select the correct unit (milliliter)
Press calculate
The answer of 19.713 mg appears in the Mass box

Concentration (Start)

Volume (Start)

Concentration (End)

Volume (End)

Calculator the dilution required to prepare a stock solution

Calculate the dilution required to prepare a stock solution
The dilution calculator is a useful tool which allows you to calculate how to dilute a stock solution of known concentration. Enter C1, C2 & V2 to calculate V1.

See Example

An example of a dilution calculation using the Tocris dilution calculator
What volume of a given 10 mM stock solution is required to make 20ml of a 50 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=50 μM, V2=20 ml and V1 is the unknown:
Enter 10 into the Concentration (start) box and select the correct unit (millimolar)
Enter 50 into the Concentration (final) box and select the correct unit (micromolar)
Enter 20 into the Volume (final) box and select the correct unit (milliliter)
Press calculate
The answer of 100 microliter (0.1 ml) appears in the Volume (start) box

Volume (to add to vial)

Mass (in vial)

Desired Reconstitution Concentration

Calculate the volume of solvent required to reconstitute your vial.

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial.
Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

Molecule Formula

Molecular Weight g/mol

Enter the chemical formula of a compound to calculate its molar mass and elemental composition

Tip: Chemical formula is case sensitive: C10H16N2O2 c10h16n2o2

Instructions to calculate molar mass (molecular weight) of a chemical compound:
To calculate molar mass of a chemical compound, please enter its chemical formula and click 'Calculate'.
Definitions of molecular mass, molecular weight, molar mass and molar weight:
Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed n the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.

bottom

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.

Keywords

Onalespib 912999-49-6 Cytoskeletal Signaling Metabolism HSP AT13387 Heat shock proteins inhibit Inhibitor AT-13387 Onalespib (AT13387) AT 13387 inhibitor

Products are chemical reagents for research use only and are not intended for human use. We do not sell to patients.