1. JAK/STAT Signaling Stem Cell/Wnt Anti-infection
  2. STAT Parasite Antibiotic
  3. Niclosamide

Niclosamide  (Synonyms: BAY2353)

Cat. No.: HY-B0497 Purity: 99.90%
COA Handling Instructions

Niclosamide (BAY2353) is an orally active antihelminthic agent used in parasitic infection research. Niclosamide is a STAT3 inhibitor with an IC50 of 0.25 μM in HeLa cells. Niclosamide has biological activities against cancer, inhibits DNA replication in Vero E6 cells.

For research use only. We do not sell to patients.

Niclosamide Chemical Structure

Niclosamide Chemical Structure

CAS No. : 50-65-7

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Solid + Solvent
10 mM * 1 mL in DMSO
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Customer Review

Based on 24 publication(s) in Google Scholar

Other Forms of Niclosamide:

Top Publications Citing Use of Products

    Niclosamide purchased from MedChemExpress. Usage Cited in: Biomed Pharmacother. 2023 May.

    Niclosamide (NIC; 1 μM) reduces number of cells that invaded across the trans-well chamber in Hec1B and Ishikawa endometrial cancer cell lines, suggesting NIC-mediated inhibition of invasive property of endometrial cancer cells.

    Niclosamide purchased from MedChemExpress. Usage Cited in: Biomed Pharmacother. 2023 May.

    Niclosamide (NIC) significantly suppresses the colony formation ability, and reduces the numbers, as well as diameters, of colonies formed in AN3CA, Hec1B, and Ishikawa cells.

    Niclosamide purchased from MedChemExpress. Usage Cited in: Biomed Pharmacother. 2023 May.

    Niclosamide (NIC; 5 μM; 24 h) significantly reduces cyclin D1 and vimentin protein expression in human endometrial cancer cells.

    Niclosamide purchased from MedChemExpress. Usage Cited in: Biomed Pharmacother. 2023 May.

    Niclosamide (NIC; 0-8 μM; 24, 48, 72 h) significantly inhibits the metabolic viability of AN3CA, Hec1B, and Ishikawa cells both in a dose-dependent and a time-dependent manner, with the half maximal inhibitory concentration of < 1 μM at 72 h.
    • Biological Activity

    • Purity & Documentation

    • References

    • Customer Review

    Description

    Niclosamide (BAY2353) is an orally active antihelminthic agent used in parasitic infection research[1]. Niclosamide is a STAT3 inhibitor with an IC50 of 0.25 μM in HeLa cells[4]. Niclosamide has biological activities against cancer, inhibits DNA replication in Vero E6 cells[2][3][5].

    IC50 & Target

    STAT3

    0.25 μM (IC50, in HeLa cells)

    In Vitro

    Niclosamide (0.6 nM-46 μM) treatment inhibits adrenocortical carcinoma cellular proliferation in BD140A, SW-13, and NCI-H295R cells[3].
    Niclosamide (0.05-5 μM, 24 h) treatment inhibits STAT3-mediated luciferase reporter activity in HeLa cells [4].
    Niclosamide (10 μM) treatment inhibits virus replication in Vero E6 cells[5].

    MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

    Cell Viability Assay[3]

    Cell Line: BD140A, SW-13 and NCI-H295R cells
    Concentration: 0.6 nM-46 µM
    Incubation Time:
    Result: Inhibited cellular proliferation in adrenocortical carcinoma cell lines with the IC50 of 0.12 µM, 0.15 µM, and 0.53 µM in BD140A, SW-13, and NCI-H295R, respectively.

    Cell Viability Assay[4]

    Cell Line: Hela cells
    Concentration: 0.05-5 μM
    Incubation Time: 24 hours
    Result: Inhibited STAT3-mediated luciferase reporter activity with an IC50 of 0.25 μM.

    Cell Viability Assay[4]

    Cell Line: Vero E6 cells[5]
    Concentration: 10 μM
    Incubation Time: 2 days
    Result: Inhibited the synthesis of viral antigens of SARS-CoV in Vero E6 cells.
    In Vivo

    Niclosamide (oral gavage; 100 mg/kg, 200 mg/kg; once a week; 8 weeks) treatment inhibits adrenocortical carcinoma tumor growth in vivo[3].

    MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

    Animal Model: Nu+/Nu+ mice injected with NCI-H295R cells[3]
    Dosage: 100 mg/kg, 200 mg/kg
    Administration: Oral gavage; 100 mg/kg, 200 mg/kg; once a week; 8 weeks
    Result: Showed a 60%-80% inhibition in tumor growth, as compared to the control group.
    Clinical Trial
    Molecular Weight

    327.12

    Formula

    C13H8Cl2N2O4

    CAS No.
    Appearance

    Solid

    Color

    Light yellow to green yellow

    SMILES

    O=C(NC1=CC=C([N+]([O-])=O)C=C1Cl)C2=CC(Cl)=CC=C2O

    Shipping

    Room temperature in continental US; may vary elsewhere.

    Storage
    Powder -20°C 3 years
    4°C 2 years
    In solvent -80°C 1 year
    -20°C 6 months
    Solvent & Solubility
    In Vitro: 

    DMF : 5 mg/mL (15.28 mM; Need ultrasonic)

    DMSO : 4.55 mg/mL (13.91 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

    H2O : < 0.1 mg/mL (insoluble)

    Preparing
    Stock Solutions
    Concentration Solvent Mass 1 mg 5 mg 10 mg
    1 mM 3.0570 mL 15.2849 mL 30.5698 mL
    5 mM 0.6114 mL 3.0570 mL 6.1140 mL
    View the Complete Stock Solution Preparation Table

    * Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
    Storage method and period of stock solution: -80°C, 1 years; -20°C, 6 months. When stored at -80°C, please use it within 1 years. When stored at -20°C, please use it within 6 months.

    • Molarity Calculator

    • Dilution Calculator

    Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

    Mass
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    Concentration
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    Volume
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    Molecular Weight *

    Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

    This equation is commonly abbreviated as: C1V1 = C2V2

    Concentration (start)

    C1

    ×
    Volume (start)

    V1

    =
    Concentration (final)

    C2

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    Volume (final)

    V2

    In Vivo:

    Select the appropriate dissolution method based on your experimental animal and administration route.

    For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
    To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
    The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

    • Protocol 1

      Add each solvent one by one:  10% DMF    40% PEG300    5% Tween-80    45% Saline

      Solubility: 0.5 mg/mL (1.53 mM); Suspended solution; Need ultrasonic

    For the following dissolution methods, please prepare the working solution directly. It is recommended to prepare fresh solutions and use them promptly within a short period of time.
    The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

    • Protocol 1

      Add each solvent one by one:  20% HP-β-CD    5% Cremophor EL

      Solubility: 5 mg/mL (15.28 mM); Suspended solution; Need ultrasonic

    In Vivo Dissolution Calculator
    Please enter the basic information of animal experiments:

    Dosage

    mg/kg

    Animal weight
    (per animal)

    g

    Dosing volume
    (per animal)

    μL

    Number of animals

    Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
    Please enter your animal formula composition:
    %
    DMSO +
    +
    %
    Tween-80 +
    %
    Saline
    Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
    The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
    Calculation results:
    Working solution concentration: mg/mL
    Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
    The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
    Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
     If the continuous dosing period exceeds half a month, please choose this protocol carefully.
    Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
    Purity & Documentation

    Purity: 99.90%

    References

    Complete Stock Solution Preparation Table

    * Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
    Storage method and period of stock solution: -80°C, 1 years; -20°C, 6 months. When stored at -80°C, please use it within 1 years. When stored at -20°C, please use it within 6 months.

    Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
    DMSO / DMF 1 mM 3.0570 mL 15.2849 mL 30.5698 mL 76.4246 mL
    5 mM 0.6114 mL 3.0570 mL 6.1140 mL 15.2849 mL
    10 mM 0.3057 mL 1.5285 mL 3.0570 mL 7.6425 mL
    DMF 15 mM 0.2038 mL 1.0190 mL 2.0380 mL 5.0950 mL
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    Help & FAQs
    • Do most proteins show cross-species activity?

      Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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    Product Name:
    Niclosamide
    Cat. No.:
    HY-B0497
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