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Hepln-13

Alias: Hepln13 Hepln 13 Hepln-13
Cat No.:V22131 Purity: ≥98%
Hepln-13 (Hepln13; Hepln 13) is a novel, orally bioactive and potent hepsin inhibitor (IC50 = 0.33 µM) with potential anticancer activity.
Hepln-13
Hepln-13 Chemical Structure CAS No.: 64369-13-7
Product category: Serine threonin kinase
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
Hepln-13 (Hepln13; Hepln 13) is a novel, orally bioactive and potent hepsin inhibitor (IC50 = 0.33 µM) with potential anticancer activity.
Hepln-13 (2-(4-bromophenyl)-2,3-dihydro-1H-perimidine) is a potent, orally active small molecule inhibitor of the serine protease Hepsin. Hepsin is a type II transmembrane serine protease that is overexpressed in prostate cancer and is associated with tumor progression and metastasis. Hepln-13 has an IC50 of 0.33 μM for Hepsin inhibition and is used in research focused on metastatic prostate cancer.
Biological Activity I Assay Protocols (From Reference)
Targets
Hepln-13 targets Hepsin, a serine protease that plays a critical role in the degradation of the extracellular matrix, a key step in cancer cell invasion and metastasis. By inhibiting Hepsin, Hepln-13 aims to disrupt this proteolytic activity, thereby potentially reducing the invasive and metastatic potential of cancer cells. It is a potent and orally active inhibitor, making it a promising tool for in vivo studies.
ln Vitro
Lysis is inhibited by Hepln-13 (10 µM; 2 hours; 293 cells) [1].
Hepln-13 demonstrates potent in vitro activity by inhibiting Hepsin with an IC50 of 0.33 μM. This activity is confirmed in enzymatic assays using purified Hepsin, where the compound effectively blocks the protease's ability to cleave its substrates. The compound's high potency and specificity make it a valuable tool for studying the role of Hepsin in cancer biology.
ln Vivo
HepIn-13 can prevent prostate cancer metastasis and has a dose-dependent inhibitory effect on phenotypes of prostate cancer linked to Hepsin overexpression [1].
Hepln-13 is an orally active compound, indicating it has suitable pharmacokinetic properties for in vivo administration. It is used in research models of metastatic prostate cancer to evaluate its efficacy in inhibiting tumor growth and metastasis. By inhibiting Hepsin, Hepln-13 is expected to reduce the invasive capacity of cancer cells, thereby slowing disease progression.
Enzyme Assay
The primary in vitro assay for Hepln-13 is a protease activity assay using purified recombinant Hepsin. The enzyme is incubated with a fluorogenic or chromogenic peptide substrate in the presence of varying concentrations of the compound. The cleavage of the substrate is monitored, and the IC50 value of 0.33 μM is determined from the dose-response curve.
Cell Assay
Western Blot Analysis[1]
Cell Types: 293 cells
Tested Concentrations: 10 µM
Incubation Duration: 2 hrs (hours)
Experimental Results: Lysis was inhibited.
In vitro cellular experiments for Hepln-13 involve treating prostate cancer cell lines that express Hepsin with the compound. The inhibition of Hepsin activity is assessed by measuring the degradation of its substrates or by using specific activity assays. The compound's effects on cell invasion, migration, and proliferation are evaluated using transwell assays, wound-healing assays, and cell viability assays, respectively.
Animal Protocol
In vivo efficacy of Hepln-13 is assessed in animal models of metastatic prostate cancer, such as orthotopic or xenograft models. The compound is administered orally, and its effects on tumor growth, metastasis, and survival are monitored. Pharmacodynamic markers, such as the inhibition of Hepsin activity in tumor tissue, are also assessed to confirm target engagement.
ADME/Pharmacokinetics
Hepln-13 has a molecular weight of 325.20 g/mol and a molecular formula of C17H13BrN2. It is an orally active compound, suggesting it is well-absorbed from the gastrointestinal tract. It is soluble in DMSO at 62.5 mg/mL and is typically stored at 4°C. Detailed pharmacokinetic parameters are not publicly available.
Toxicity/Toxicokinetics
Comprehensive toxicological data for Hepln-13 is limited, as it is a research compound. Its safety profile would need to be established through preclinical studies if it were to be developed for therapeutic applications. As with all research chemicals, standard safety precautions should be observed when handling this compound.
References

[1]. Targeted inhibition of cell-surface serine protease Hepsin blocks prostate cancer bone metastasis. Oncotarget. 2014;5(5):1352-1362.

Additional Infomation
Hepln-13 is a potent and orally active Hepsin inhibitor used in cancer research. Its primary application is in the study of metastatic prostate cancer, where Hepsin overexpression is a hallmark. The compound serves as a valuable tool for investigating the role of Hepsin in tumor progression and for validating Hepsin as a therapeutic target.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C17H13BRN2
Molecular Weight
325.2
Exact Mass
324.026
CAS #
64369-13-7
PubChem CID
256658
Appearance
Pale purple to purple solid powder
Density
1.444g/cm3
Boiling Point
533.3ºC at 760 mmHg
Flash Point
276.4ºC
Index of Refraction
1.688
LogP
5.414
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
1
Heavy Atom Count
20
Complexity
320
Defined Atom Stereocenter Count
0
SMILES
BrC1=CC=C(C2NC3=CC=CC4C=CC=C(C3=4)N2)C=C1
InChi Key
YSRRRCGJBGQBDM-UHFFFAOYSA-N
InChi Code
InChI=1S/C17H13BrN2/c18-13-9-7-12(8-10-13)17-19-14-5-1-3-11-4-2-6-15(20-17)16(11)14/h1-10,17,19-20H
Chemical Name
2-(4-bromophenyl)-2,3-dihydro-1H-perimidine
Synonyms
Hepln13 Hepln 13 Hepln-13
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

Note: This product requires protection from light (avoid light exposure) during transportation and storage.
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 : ~62.5 mg/mL (~192.19 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (6.40 mM) (saturation unknown) in 10% DMSO + 40% PEG300 +5% Tween-80 + 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.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 3.0750 mL 15.3752 mL 30.7503 mL
5 mM 0.6150 mL 3.0750 mL 6.1501 mL
10 mM 0.3075 mL 1.5375 mL 3.0750 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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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:
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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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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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