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Tubulin polymerization-IN-47

Cat No.:V55253 Purity: ≥98%
Tubulinpolymerization-IN-47 (Compound 4h) is a tubulin polymerization inhibitor and mitosis inhibitor.
Tubulin polymerization-IN-47
Tubulin polymerization-IN-47 Chemical Structure CAS No.: 2834087-62-4
Product category: Microtubule(Tubulin)
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
Tubulinpolymerization-IN-47 (Compound 4h) is a tubulin polymerization inhibitor and mitosis inhibitor. Tubulinpolymerization-IN-47 suppresses the proliferation/growth of neuroblastoma cancer cells with IC50 of 7 and 12 nM for Chp-134 and Kelly cell lines, respectively.
Tubulin polymerization-IN-47 (CAS 2834087-62-4) is a synthetic small-molecule inhibitor of tubulin polymerization and mitosis inhibitor with potent anti-tumor activity. Also known as Compound 4h, its molecular formula is C22H21N3O3 with a molecular weight of 375.42 g/mol. The compound suppresses the proliferation of neuroblastoma cancer cells with IC50 values of 7 nM for Chp-134 cells and 12 nM for Kelly cells. It is being investigated for the treatment of hepatocellular carcinoma, colon cancer, lung cancer, and breast cancer.
Biological Activity I Assay Protocols (From Reference)
Targets
Tubulin polymerization-IN-47 targets tubulin, the protein that polymerizes to form microtubules. By inhibiting tubulin polymerization, the compound disrupts the microtubule network essential for cell division, leading to mitotic arrest and apoptosis. The compound's potent activity against neuroblastoma cells suggests it may have broad anti-tumor activity.
ln Vitro
In cell-free biochemical assays, Tubulin polymerization-IN-47 inhibits tubulin polymerization. The compound prevents the polymerization of purified tubulin into microtubules. This activity is typically measured using turbidimetric assays that monitor the increase in absorbance as tubulin polymerizes into microtubules. The compound's potent anti-tubulin activity translates to its anti-proliferative effects in cells.
ln Vivo
In cell-based assays, Tubulin polymerization-IN-47 suppresses the proliferation of neuroblastoma cancer cells with IC50 values of 7 nM for Chp-134 cells and 12 nM for Kelly cells. The compound exhibits potent anti-proliferative activity against various cancer cell lines. It is being investigated for the treatment of hepatocellular carcinoma, colon cancer, lung cancer, and breast cancer. The mechanism of action involves mitotic arrest and induction of apoptosis.
Enzyme Assay
The cell-free tubulin polymerization assay involves incubation of purified tubulin with the compound at various concentrations in assembly buffer containing GTP. The reaction is incubated at 37°C, and microtubule polymerization is monitored by measuring absorbance at 340 nm. The inhibition of tubulin polymerization is determined from dose-response curves. The compound's solubility in DMSO is 125 mg/mL (332.96 mM).
Cell Assay
Cell-based assays for anti-proliferative activity involve culturing cancer cell lines (Chp-134, Kelly, and others) and treating them with Tubulin polymerization-IN-47 at concentrations ranging from 0.1 to 100 nM. Cells are incubated for 48-72 hours, and cell viability is assessed using MTT, CCK-8, or ATP-based luminescence assays. IC50 values are determined from dose-response curves. Cell cycle analysis by flow cytometry and apoptosis assays can be performed to characterize the mechanism of action.
Animal Protocol
In animal models, Tubulin polymerization-IN-47 has been evaluated for its anti-tumor activity. Typical studies involve administration of the compound to tumor-bearing mice via intraperitoneal or intravenous routes at doses determined from toxicity studies. Tumor volumes are measured, and tissues are collected for analysis of tubulin polymerization inhibition, mitotic arrest, and biomarkers of apoptosis. Efficacy is being evaluated in models of hepatocellular carcinoma, colon cancer, lung cancer, and breast cancer.
ADME/Pharmacokinetics
Pharmacokinetic properties of Tubulin polymerization-IN-47 have not been extensively reported. As a small molecule with molecular weight of 375.42 g/mol, the compound would be expected to have reasonable oral bioavailability and tissue penetration. The compound has good solubility in DMSO (125 mg/mL). Further pharmacokinetic studies would be required to determine plasma half-life, clearance, and metabolic pathways.
Toxicity/Toxicokinetics
Toxicity data for Tubulin polymerization-IN-47 are not well documented. As a tubulin polymerization inhibitor and mitosis inhibitor, the compound would be expected to have toxicity toward rapidly dividing cells, which could translate to bone marrow suppression, gastrointestinal toxicity, and other effects associated with anti-mitotic agents. Standard toxicity studies in rodents would be required to determine the safety profile.
References

[1]. Fused Imidazopyrazine-Based Tubulin Polymerization Inhibitors Inhibit Neuroblastoma Cell Function. ACS Med. Chem. Lett. 2023.

Additional Infomation
Tubulin polymerization-IN-47 is a research compound being investigated for the treatment of various cancers including hepatocellular carcinoma, colon cancer, lung cancer, and breast cancer. The compound is a potent tubulin polymerization inhibitor and mitosis inhibitor with IC50 values of 7 nM for Chp-134 cells and 12 nM for Kelly cells. It is not an approved pharmaceutical and has no clinical trial history. This product is intended for research use only.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C22H21N3O3
Molecular Weight
375.420445203781
Exact Mass
375.158
CAS #
2834087-62-4
PubChem CID
165177911
Appearance
Off-white to gray solid powder
LogP
4.3
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
5
Rotatable Bond Count
5
Heavy Atom Count
28
Complexity
485
Defined Atom Stereocenter Count
0
SMILES
CC1=CC=C(C=C1)C2=CN3C=CN=C(C3=N2)C4=CC(=C(C(=C4)OC)OC)OC
InChi Key
SFOULTOXUOSZBX-UHFFFAOYSA-N
InChi Code
InChI=1S/C22H21N3O3/c1-14-5-7-15(8-6-14)17-13-25-10-9-23-20(22(25)24-17)16-11-18(26-2)21(28-4)19(12-16)27-3/h5-13H,1-4H3
Chemical Name
2-(4-methylphenyl)-8-(3,4,5-trimethoxyphenyl)imidazo[1,2-a]pyrazine
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO : ~125 mg/mL (~332.96 mM)
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.6637 mL 13.3184 mL 26.6368 mL
5 mM 0.5327 mL 2.6637 mL 5.3274 mL
10 mM 0.2664 mL 1.3318 mL 2.6637 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

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What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution 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 stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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