2. Cell Cycle/DNA Damage Epigenetics Apoptosis
  3. HDAC Apoptosis
  4. Domatinostat

Domatinostat  (Synonyms: 4SC-202 free base)

Cat. No.: HY-16012A Purity: 99.43%
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Domatinostat (4SC-202 free base) is a selective class I HDAC inhibitor with IC50 of 1.20 μM, 1.12 μM, and 0.57 μM for HDAC1, HDAC2, and HDAC3, respectively. It also displays inhibitory activity against Lysine specific demethylase 1 (LSD1).

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

Domatinostat Chemical Structure

Domatinostat Chemical Structure

CAS No. : 910462-43-0

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Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
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10 mM * 1 mL in DMSO USD 110 In-stock
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Based on 4 publication(s) in Google Scholar

Other Forms of Domatinostat:

Domatinostat Related Antibodies

Top Publications Citing Use of Products

    Domatinostat purchased from MedChemExpress. Usage Cited in: Am J Transl Res. 2020 Jun 15;12(6):2968-2983.  [Abstract]

    Western blot analyzes that the expression levels of LSD1, HDAC1/2/3, BCL-2 and CDK1 proteins are decreased and the expression levels of H3K4me2, AC-H3, cleavage caspase3/9, BAX, and p21 proteins are significantly increased by 4SC-202.

    View All HDAC Isoform Specific Products:

    View All Isoforms
    HDAC HDAC1 HDAC2 HDAC3 HDAC4 HDAC5 HDAC6 HDAC7 HDAC8 HDAC9 HDAC10 HDAC11 HD1 HD2

    • Biological Activity

    • Purity & Documentation

    • References

    • Customer Review

    Description

    Domatinostat (4SC-202 free base) is a selective class I HDAC inhibitor with IC50 of 1.20 μM, 1.12 μM, and 0.57 μM for HDAC1, HDAC2, and HDAC3, respectively. It also displays inhibitory activity against Lysine specific demethylase 1 (LSD1).

    IC50 & Target[4]

    HDAC-3

    0.57 μM (IC50)

    HDAC-2

    1.12 μM (IC50)

    HDAC-1

    1.2 μM (IC50)

    HDAC-11

    9.7 μM (IC50)

    HDAC-5

    11.3 μM (IC50)

    HDAC-10

    21 μM (IC50)

    HDAC-9

    50 μM (IC50)

    In Vitro

    Domatinostat (4SC-202 free base) tosylate significantly reduces proliferation of all epithelial and mesenchymal UC cell lines (IC50 0.15-0.51 μM), inhibits clonogenic growth and induces caspase activity[1]. Domatinostat (4SC-202 free base) tosylate provokes apoptosis activation in CRC cells, while caspase inhibitors (z-VAD-CHO and z-DVED-CHO) significantly alleviate Domatinostat (4SC-202 free base) tosylate-exerted cytotoxicity in CRC cells. Meanwhile, Domatinostat (4SC-202 free base) tosylate induces dramatic G2-M arrest in CRC cells. Further studies show that AKT activation might be an important resistance factor of Domatinostat tosylate. Domatinostat (4SC-202 free base) tosylate-induced cytotoxicity is dramatically potentiated with serum starvation, AKT inhibition (by perifosine or MK-2206), or AKT1-shRNA knockdown in CRC cells. On the other hand, exogenous expression of constitutively active AKT1 (CA-AKT1) decreases the sensitivity by Domatinostat tosylate in HT-29 cells. Notably, Domatinostat (4SC-202 free base) tosylate, at a low concentration, enhances oxaliplatin-induced in vitro anti-CRC activity[2]. Domatinostat (4SC-202 free base) tosylate treatment induces potent cytotoxic and proliferation-inhibitory activities against established HCC cell lines (HepG2, HepB3, SMMC-7721) and patient-derived primary HCC cells. Domatinostat (4SC-202 free base) tosylate induces apoptosis signal-regulating kinase 1 (ASK1) activation, causing it translocation to mitochondria and physical association with Cyp-D[3].

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

    Domatinostat Related Antibodies
    In Vivo

    Oral gavage of Domatinostat (4SC-202 free base) inhibits HT-29 xenograft growth in nude mice, and when combined with oxaliplatin, its activity is further strengthened[2].

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

    447.51

    Formula

    C23H21N5O3S
    CAS No.
    Appearance

    Solid

    Color

    White to khaki

    SMILES

    O=C(NC1=CC=CC=C1N)/C=C/C2=CN(S(=O)(C3=CC=C(C4=CN(C)N=C4)C=C3)=O)C=C2
    Shipping

    Room temperature in continental US; may vary elsewhere.
    Storage
    Powder -20°C 3 years
    4°C 2 years
    In solvent -80°C 2 years
    -20°C 1 year
    Solvent & Solubility
    In Vitro: 

    DMSO : ≥ 58 mg/mL (129.61 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

    *"≥" means soluble, but saturation unknown.

    Preparing
    Stock Solutions
    Concentration Solvent Mass 1 mg 5 mg 10 mg
    1 mM 2.2346 mL 11.1729 mL 22.3459 mL
    5 mM 0.4469 mL 2.2346 mL 4.4692 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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

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

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

    This equation is commonly abbreviated as: C1V1 = C2V2

    Concentration (start)

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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 (5.59 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 (5.59 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)

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    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
    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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

    Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
    DMSO 1 mM 2.2346 mL 11.1729 mL 22.3459 mL 55.8647 mL
    5 mM 0.4469 mL 2.2346 mL 4.4692 mL 11.1729 mL
    10 mM 0.2235 mL 1.1173 mL 2.2346 mL 5.5865 mL
    15 mM 0.1490 mL 0.7449 mL 1.4897 mL 3.7243 mL
    20 mM 0.1117 mL 0.5586 mL 1.1173 mL 2.7932 mL
    25 mM 0.0894 mL 0.4469 mL 0.8938 mL 2.2346 mL
    30 mM 0.0745 mL 0.3724 mL 0.7449 mL 1.8622 mL
    40 mM 0.0559 mL 0.2793 mL 0.5586 mL 1.3966 mL
    50 mM 0.0447 mL 0.2235 mL 0.4469 mL 1.1173 mL
    60 mM 0.0372 mL 0.1862 mL 0.3724 mL 0.9311 mL
    80 mM 0.0279 mL 0.1397 mL 0.2793 mL 0.6983 mL
    100 mM 0.0223 mL 0.1117 mL 0.2235 mL 0.5586 mL
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    Domatinostat 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:

    Domatinostat910462-43-04SC-202HDACApoptosisHistone deacetylasesInhibitorinhibitorinhibit

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