2. Membrane Transporter/Ion Channel Neuronal Signaling
  3. TRP Channel
  4. IA-Alkyne

IA-Alkyne  (Synonyms: Iodoacetamide-alkyne; N-Hex-5-ynyl-2-iodo-acetamide)

Cat. No.: HY-136205 Purity: 99.59%
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Handling Instructions Technical Support

IA-Alkyne (Iodoacetamide-alkyne; N-Hex-5-ynyl-2-iodo-acetamide) is a TRP channel (TRPC) agonist and has the potential for the study of respiratory infection. IA-Alkyne can be used to develop an isotopically tagged probe for quantitative cysteine-reactivity profiling. IA-Alkyne is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

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

CAS No. : 930800-38-7

Size Price Stock Quantity
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
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10 mM * 1 mL in DMSO In-stock
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Customer Review

Based on 4 publication(s) in Google Scholar

IA-Alkyne Related Antibodies

Top Publications Citing Use of Products

    IA-Alkyne purchased from MedChemExpress. Usage Cited in: Acta Pharmacol Sin. 2026 Feb 11.

    Fyn was validated as a direct target of STP1 in splenocyte lysate by ABPP and Western blotting. The results showed that Fyn was obviously pulled down by the azido-iodoacetamide (IA-Alkyne, 10 μM; 1 h) probe, and the amount of Fyn was significantly reduced by STP1 competition.

    View All TRP Channel Isoform Specific Products:

    View All Isoforms
    TRPA1 TRPC3 TRPC4 TRPC5 TRPC6 TRPC7 TRPM8 TRPM2 TRPM3 TRPM4 TRPM7 TRPML1 TRPML2 TRPML3 TRPV1 TRPV2 TRPV3 TRPV4 TRPV6

    • Biological Activity

    • Purity & Documentation

    • References

    • Customer Review

    Description

    IA-Alkyne (Iodoacetamide-alkyne; N-Hex-5-ynyl-2-iodo-acetamide) is a TRP channel (TRPC) agonist and has the potential for the study of respiratory infection[1]. IA-Alkyne can be used to develop an isotopically tagged probe for quantitative cysteine-reactivity profiling[2]. IA-Alkyne is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

    IC50 & Target

    IC50: TRPC[1]
    In Vitro

    IA-alkyne (2.5-10 μM; 1 hour) can react with cysteines. Soluble fractions of HeLa cell lysates (2.0 mg/ml) are treated with IA-alkyne. Labeled proteome samples are conjugated with a fluorescent rhodamine-azide tag through CuAAC, and analyzed by SDS-PAGE. In-gel fluorescence imaging reveals that IA-alkyne has a strong fluorescent intensity[2].

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

    IA-Alkyne Related Antibodies
    Molecular Weight

    265.09

    Formula

    C8H12INO
    CAS No.
    Appearance

    Solid

    Color

    White to off-white

    SMILES

    O=C(NCCCCC#C)CI
    Shipping

    Room temperature in continental US; may vary elsewhere.
    Storage

    4°C, protect from light

    *In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

    Solvent & Solubility
    In Vitro: 

    DMSO : 100 mg/mL (377.23 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

    Preparing
    Stock Solutions
    Concentration Solvent Mass 1 mg 5 mg 10 mg
    1 mM 3.7723 mL 18.8615 mL 37.7230 mL
    5 mM 0.7545 mL 3.7723 mL 7.5446 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, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

    • Molarity Calculator

    • Dilution Calculator

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

    Mass
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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)

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    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% DMSO    40% PEG300    5% Tween-80    45% Saline

      Solubility: ≥ 2.5 mg/mL (9.43 mM); Clear solution

      This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

      Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

      Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
    • Protocol 2

      Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

      Solubility: ≥ 2.5 mg/mL (9.43 mM); Clear solution

      This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

      Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

      Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
    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).

    *In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

    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: 99.59%

    SDS (644 KB)

    COA (241 KB) RP-HPLC (247 KB) MS (69 KB)

    Handling Instructions (2659 KB)
    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, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

    Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
    DMSO 1 mM 3.7723 mL 18.8615 mL 37.7230 mL 94.3076 mL
    5 mM 0.7545 mL 3.7723 mL 7.5446 mL 18.8615 mL
    10 mM 0.3772 mL 1.8862 mL 3.7723 mL 9.4308 mL
    15 mM 0.2515 mL 1.2574 mL 2.5149 mL 6.2872 mL
    20 mM 0.1886 mL 0.9431 mL 1.8862 mL 4.7154 mL
    25 mM 0.1509 mL 0.7545 mL 1.5089 mL 3.7723 mL
    30 mM 0.1257 mL 0.6287 mL 1.2574 mL 3.1436 mL
    40 mM 0.0943 mL 0.4715 mL 0.9431 mL 2.3577 mL
    50 mM 0.0754 mL 0.3772 mL 0.7545 mL 1.8862 mL
    60 mM 0.0629 mL 0.3144 mL 0.6287 mL 1.5718 mL
    80 mM 0.0472 mL 0.2358 mL 0.4715 mL 1.1788 mL
    100 mM 0.0377 mL 0.1886 mL 0.3772 mL 0.9431 mL
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    IA-Alkyne Related Classifications

    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.

    Keywords:

    IA-Alkyne930800-38-7Iodoacetamide-alkyne N-Hex-5-ynyl-2-iodo-acetamideTRP ChannelTransient receptor potential channelsasthmachronic bronchitisemphysemachronicobstructivecystic fibrosisbronchiectasisFluorescencegelimagingcysteineInhibitorinhibitorinhibit

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