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RU-302

Alias: RU302; RU 302; RU-302
Cat No.:V14261 Purity: ≥98%
RU-302 is a non-selective TAM inhibitor that blocks the interface between the TAM Ig1 extracellular domain and the Gas6 Lg domain.
RU-302
RU-302 Chemical Structure CAS No.: 1182129-77-6
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
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10mg
50mg
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Product Description
RU-302 is a non-selective TAM inhibitor that blocks the interface between the TAM Ig1 extracellular domain and the Gas6 Lg domain. RU-302 effectively blocks Gas6-induced Axl receptor activation with low micromolar IC50 and effectively inhibits lung cancer tumor growth.
RU-302 (CAS#: 1182129-77-6) is a small-molecule pan-TAM inhibitor that targets the interface between the TAM (Tyro3, Axl, Mer) receptor Ig1 ectodomain and the Gas6 ligand Lg domain, disrupting receptor dimerization and activation. RU-302 effectively blocks Gas6-inducible Axl receptor activation with low micromolar IC50 values and suppresses lung cancer tumor growth. The compound is a valuable pharmacological tool for studying TAM receptor signaling.
Biological Activity I Assay Protocols (From Reference)
Targets
RU-302 targets the TAM (Tyro3, Axl, Mer) receptor family, a group of receptor tyrosine kinases involved in cell survival, proliferation, and immune regulation. RU-302 binds at the interface between the TAM Ig1 ectodomain and the Gas6 ligand Lg domain, disrupting receptor dimerization and activation. By blocking Gas6-dependent TAM activation, RU-302 inhibits downstream signaling pathways including Akt and ERK activation. The compound effectively blocks Gas6-inducible Axl receptor activation with low micromolar IC50 values.
ln Vitro
In vitro, RU-302 effectively blocks Gas6-inducible Axl receptor activation with low micromolar IC50 values in cell assays. It potently inhibits Axl reporter cell lines and native TAM receptor cancer cell lines. The compound's ability to block TAM receptor activation has been demonstrated in various cell-based assays measuring receptor phosphorylation and downstream signaling. RU-302 is a non-selective TAM inhibitor.
ln Vivo
In vivo, RU-302 suppresses lung cancer tumor growth. The compound has been shown to effectively inhibit lung cancer tumor growth in animal models. However, specific in vivo efficacy data in animal models are not extensively detailed in the available literature. RU-302 is a research tool for studying TAM receptor signaling and its role in cancer.
Enzyme Assay
In vitro enzyme/receptor binding assays for RU-302 are not typically performed because the compound targets protein-protein interactions rather than enzyme activity. However, its binding to TAM receptors can be assessed using surface plasmon resonance (SPR) or isothermal titration calorimetry (ITC) to measure binding affinity. Competitive binding assays with labeled ligands can also be used to determine the IC50 for inhibition of Gas6 binding.
Cell Assay
In vitro cellular assays for RU-302 are performed using various cancer cell lines, including Axl reporter cell lines and native TAM receptor cancer cell lines. Cells are treated with varying concentrations of RU-302, and TAM receptor phosphorylation is assessed by Western blotting using phospho-specific antibodies. Cell viability, proliferation, and migration are assessed using standard assays. These assays confirm the compound's ability to inhibit TAM receptor activation and downstream signaling.
Animal Protocol
In vivo animal experiments for RU-302 are conducted in xenograft mouse models of lung cancer. Immunocompromised mice are implanted with human lung cancer cells and treated with RU-302 via oral or intraperitoneal administration. Tumor growth inhibition is monitored, and endpoints include tumor volume, tumor weight, and survival. Pharmacodynamic markers such as TAM phosphorylation in tumor tissues are assessed. These studies confirm the compound's anti-tumor efficacy.
ADME/Pharmacokinetics
RU-302 has a molecular weight of 475.53 and a molecular formula of C24H24F3N3O2S. The compound is a small-molecule inhibitor supplied at ≥95% purity. Detailed pharmacokinetic parameters such as half-life, Cmax, and bioavailability have not been extensively reported. As a research compound, RU-302 is primarily used in in vitro and in vivo studies to investigate TAM receptor signaling.
Toxicity/Toxicokinetics
The toxicological profile of RU-302 has not been extensively characterized. As a TAM inhibitor, RU-302 may have potential effects on immune regulation and cell survival. Standard toxicology studies would be necessary to establish its safety profile. No significant toxicity has been reported in the available research literature. The compound is a research tool and is not intended for human use.
References

[1]. Small molecule inhibitors block Gas6-inducible TAM activation and tumorigenicity. Sci Rep. 2017 Mar 8;7:43908.

Additional Infomation
RU-302 is a pan-TAM receptor inhibitor that blocks the interface between the TAM Ig1 ectodomain and the Gas6 Lg domain. It effectively blocks Gas6-inducible Axl receptor activation with low micromolar IC50 values and suppresses lung cancer tumor growth. RU-302 is a non-selective TAM inhibitor and is a valuable pharmacological tool for exploring therapeutic opportunities involving TAM receptor modulation. It is a research compound and is not an approved drug.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C24H24F3N3O2S
Molecular Weight
475.526474952698
Exact Mass
475.154
Elemental Analysis
C, 60.62; H, 5.09; F, 11.99; N, 8.84; O, 6.73; S, 6.74
CAS #
1182129-77-6
PubChem CID
34829729
Appearance
White to off-white solid powder
LogP
5.1
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
8
Rotatable Bond Count
5
Heavy Atom Count
33
Complexity
659
Defined Atom Stereocenter Count
0
SMILES
CC1=C(C(=NO1)C)CSC2=CC=CC=C2C(=O)N3CCN(CC3)C4=CC=CC(=C4)C(F)(F)F
InChi Key
IZHRNXCFYZERFF-UHFFFAOYSA-N
InChi Code
InChI=1S/C24H24F3N3O2S/c1-16-21(17(2)32-28-16)15-33-22-9-4-3-8-20(22)23(31)30-12-10-29(11-13-30)19-7-5-6-18(14-19)24(25,26)27/h3-9,14H,10-13,15H2,1-2H3
Chemical Name
[2-[(3,5-dimethyl-1,2-oxazol-4-yl)methylsulfanyl]phenyl]-[4-[3-(trifluoromethyl)phenyl]piperazin-1-yl]methanone
Synonyms
RU302; RU 302; RU-302
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 : ~100 mg/mL (~210.29 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 2.1029 mL 10.5146 mL 21.0292 mL
5 mM 0.4206 mL 2.1029 mL 4.2058 mL
10 mM 0.2103 mL 1.0515 mL 2.1029 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.

Calculator

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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?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

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:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

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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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  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

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  • The answer appears in the Volume (to add to vial) box
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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