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HFI-142

Alias: HFI142; HFI 142; HFI-142
Cat No.:V22167 Purity: ≥98%
HFI-142 is an insulin-regulated aminopeptidase (IRAP) inhibitor (antagonist) with Ki of 2.01 μM.
HFI-142
HFI-142 Chemical Structure CAS No.: 332164-34-8
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
HFI-142 is an insulin-regulated aminopeptidase (IRAP) inhibitor (antagonist) with Ki of 2.01 μM.
HFI-142 is a potent inhibitor of insulin-regulated aminopeptidase (IRAP) with a Ki of 2.01 µM. It is a small molecule that specifically binds to the active site of aminopeptidase N and inhibits its enzymatic activity. HFI-142 has been shown to inhibit leukotriene A4 biosynthesis in erythrocytes, potentially impacting inflammatory and metabolic pathways related to tumor growth and progression. It may have therapeutic potential in cancer research.
Biological Activity I Assay Protocols (From Reference)
Targets
Insulin-regulated aminopeptidase (IRAP); also inhibits other aminopeptidase activities.
ln Vitro
HFI-142 inhibits IRAP with a Ki of 2.01 µM. It also inhibits leukotriene A4 biosynthesis in erythrocytes. The compound shows activity against other aminopeptidases. These activities suggest potential roles in modulating inflammatory and metabolic pathways. Specific IC50 values for related aminopeptidases are not detailed in public search results.
ln Vivo
In vivo efficacy of HFI-142 has not been extensively characterized. Based on its in vitro activities, the compound may have potential in models of cancer and inflammation through modulation of aminopeptidase activity and leukotriene biosynthesis. Specific animal model data are limited in publicly available literature.
Enzyme Assay
IRAP inhibition is assessed using in vitro enzyme assays with recombinant IRAP and a fluorogenic substrate. Ki values are calculated from enzyme kinetics. Aminopeptidase activity is measured by following the release of fluorescent products. Leukotriene A4 biosynthesis is measured in erythrocyte lysates using HPLC or mass spectrometry.
Cell Assay
Cellular activity is evaluated in erythrocytes or cancer cell lines. Cells are treated with HFI-142 at various concentrations and leukotriene A4 biosynthesis is measured. Aminopeptidase activity is assessed in cell lysates using fluorogenic substrates. Effects on inflammatory and metabolic pathways are measured by qRT-PCR or Western blot for relevant markers.
Animal Protocol
In vivo studies for HFI-142 are limited. Potential studies could be conducted in mouse models of cancer or inflammation. The compound would be administered orally or via intraperitoneal injection. Tumor growth, inflammatory markers, and metabolic parameters would be assessed. Specific protocols are not detailed in publicly available literature.
ADME/Pharmacokinetics
HFI-142 has a molecular formula of C17H16N2O4 and molecular weight of 312.32. It is soluble in DMSO (31.23 mg/mL). Storage: powder at -20°C for up to 3 years or at 4°C for 2 years. The compound is a small molecule aminopeptidase inhibitor.
Toxicity/Toxicokinetics
Safety data for HFI-142 indicate it is a research compound for laboratory use only. Specific toxicological profiles including acute toxicity, organ toxicity, and genotoxicity are not extensively published. Standard laboratory safety practices should be followed during handling.
References

[1]. Phenylalanine-544 plays a key role in substrate and inhibitor binding by providing a hydrophobicpacking point at the active site of insulin-regulated aminopeptidase. Mol Pharmacol. 2010 Oct;78(4):600-7.

Additional Infomation
HFI-142 is a research tool compound for studying IRAP and aminopeptidase biology. It is not approved for clinical use. The compound has been investigated for potential applications in cancer research due to its effects on leukotriene biosynthesis and inflammatory pathways.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C17H16N2O4
Molecular Weight
312.319944381714
Exact Mass
312.111
CAS #
332164-34-8
PubChem CID
655457
Appearance
White to off-white solid powder
LogP
2.4
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
6
Rotatable Bond Count
4
Heavy Atom Count
23
Complexity
479
Defined Atom Stereocenter Count
0
SMILES
CCOC(C1=C(N)OC2=CC(=CC=C2C1C1=CC=CN=C1)O)=O
InChi Key
JOPNHSIHFSZJMB-UHFFFAOYSA-N
InChi Code
InChI=1S/C17H16N2O4/c1-2-22-17(21)15-14(10-4-3-7-19-9-10)12-6-5-11(20)8-13(12)23-16(15)18/h3-9,14,20H,2,18H2,1H3
Chemical Name
ethyl 2-amino-7-hydroxy-4-pyridin-3-yl-4H-chromene-3-carboxylate
Synonyms
HFI142; HFI 142; HFI-142
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 (~400.23 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (6.66 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.08 mg/mL (6.66 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
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.

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Solubility in Formulation 3: ≥ 2.08 mg/mL (6.66 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 3.2018 mL 16.0092 mL 32.0184 mL
5 mM 0.6404 mL 3.2018 mL 6.4037 mL
10 mM 0.3202 mL 1.6009 mL 3.2018 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

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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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)
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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.

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)
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  • 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
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Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

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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  • 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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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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