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ALK-IN-37

Cat No.:V128540 Purity: ≥98%
ALK-IN-37 is an orally effective type I1/2 allosteric inhibitor that inhibits anaplastic lymphoma kinase (ALK) with an IC50 value of 9.58 nM.
ALK-IN-37
ALK-IN-37 Chemical Structure Product category: ALK
This product is for research use only, not for human use. We do not sell to patients.
Size Price
500mg
1g
Other Sizes
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Product Description
ALK-IN-37 is an orally effective I1/2 allosteric inhibitor that inhibits anaplastic lymphoma kinase (ALK) with an IC50 value of 9.58 nM. ALK-IN-37 induces apoptosis, inhibits colony formation, suppresses cell migration, and exerts anti-proliferative effects on cancer cells overexpressing ALK. ALK-IN-37 can be used in research related to non-small cell lung cancer.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
ALK-IN-37 (compound CO4) (48 hours) selectively inhibited the proliferation of ALK-overexpressing H2228 cells (IC50 = 0.10 μM) and ALK-positive Karpas299 cells (IC50 = 0.53 μM), with weak activity against ALK-negative A549 cells and no activity against WML2 cells [1]. ALK-IN-37 (50-200 nM; 14 days) inhibited the colony formation of H2228 cells in a dose-dependent manner, with the colony formation efficiency decreasing to 36.3% at 200 nM [1]. ALK-IN-37 (50-200 nM; 24-48 hours) inhibited the migration of H2228 cells in a dose-dependent manner, with a concentration of 200 nM reducing the scratch healing rate to 28.5% after 48 hours [1]. ALK-IN-37 (100-200 nM; 24 hours) inhibited the invasion of H2228 cells in a dose-dependent manner, and a concentration of 200 nM reduced the relative invasion area to 36.6% [1]. ALK-IN-37 (50-200 nM; 24 hours) induced cell cycle arrest in the G0/G1 phase of H2228 cells in a dose-dependent manner, and a concentration of 200 nM increased the proportion of cells in the G0/G1 phase to 85.0% [1]. ALK-IN-37 (50-200 nM; 24 hours) induced apoptosis in H2228 cells in a dose-dependent manner, and treatment with 200 nM increased the proportion of apoptotic cells to 55.9% [1]. ALK-IN-37 (50-200 nM) inhibited ALK phosphorylation and its downstream STAT3/AKT signaling pathway in H2228 cells in a dose-dependent manner, with the strongest inhibitory effect at 200 nM [1].
ln Vivo
ALK-IN-37 (compound CO4) (10-30 mg/kg; oral; daily; 15 days) showed dose-dependent potent antitumor efficacy and ALK-targeting inhibition in BALB/c nude mice carrying H2228 NSCLC xenografts, with activity superior to crizotinib at 30 mg/kg [1].
Animal Protocol
Animal/Disease Models:BALB/c nude mice (female) [1]
Doses: 10 mg/kg; 20 mg/kg; 30 mg/kg
Route of Administration: Oral; Daily; 15 days
Experimental Results: Showed dose-dependent tumor growth inhibition, with significantly reduced tumor weight in all treatment groups compared to the vector control group. The relative p-ALK/ALK level decreased to approximately 85% of the vector control group in the 10 mg/kg dose group, approximately 70% in the 20 mg/kg dose group, and approximately 35% in the 30 mg/kg dose group, with a reduction greater than that in the 30 mg/kg crizotinib group. At the 10 mg/kg dose, the p-ALK positive area decreased to approximately 30% of the vector control group; at the 20 mg/kg dose, it decreased to approximately 18%; and at the 30 mg/kg dose, it decreased to approximately 8%, with a reduction greater than that in the 30 mg/kg crizotinib group. Compared with the control group, there was no significant difference in body weight among the groups, and no treatment-related pathological damage was observed in the major organs.
References

[1]. Fragment-based discovery of pyrazole-5-carboxamide derivatives as ALK inhibitors against non-small cell lung cancer. Bioorg Chem. 2026;176:109883.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C19H16N6O
Molecular Weight
344.37
Appearance
Typically exists as solids at room temperature
SMILES
O=C(C1=CC(C2=CC=CC(N3C=NN=C3)=C2)=NN1)NC4=CC=CC(C)=C4
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)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
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 : PEG300 :Tween 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 : PEG300:Tween 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 2.9039 mL 14.5193 mL 29.0385 mL
5 mM 0.5808 mL 2.9039 mL 5.8077 mL
10 mM 0.2904 mL 1.4519 mL 2.9039 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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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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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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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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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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