1. GPCR/G Protein MAPK/ERK Pathway
  2. Ras
  3. Sotorasib

Sotorasib (AMG-510) is a first-in-class, orally bioavailable, and selective KRAS G12C covalent inhibitor. Sotorasib irreversibly inhibits KRAS G12C by locking it in an inactive GDP-bound state. Sotorasib is the first KRAS G12C inhibitor in clinical development and leads to the regression of KRAS G12C tumors.

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

Sotorasib Chemical Structure

Sotorasib Chemical Structure

CAS No. : 2296729-00-3

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Solid + Solvent
10 mM * 1 mL in DMSO
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10 mM * 1 mL in DMSO USD 111 In-stock
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5 mg USD 90 In-stock
10 mg USD 160 In-stock
50 mg USD 480 In-stock
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Customer Review

Based on 45 publication(s) in Google Scholar

Other Forms of Sotorasib:

Top Publications Citing Use of Products

44 Publications Citing Use of MCE Sotorasib

WB

    Sotorasib purchased from MedChemExpress. Usage Cited in: J Biol Chem. 2022.

    Sotorasib (1 μM) strongly downregulates survival protein Survivin in MIA PaCa-2 cells.

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    • Purity & Documentation

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    Description

    Sotorasib (AMG-510) is a first-in-class, orally bioavailable, and selective KRAS G12C covalent inhibitor. Sotorasib irreversibly inhibits KRAS G12C by locking it in an inactive GDP-bound state. Sotorasib is the first KRAS G12C inhibitor in clinical development and leads to the regression of KRAS G12C tumors[1][2].

    IC50 & Target[1]

    KRAS(G12C)

     

    In Vitro

    In cellular assays, Sotorasib (AMG-510) covalently modifies KRAS G12C and inhibits KRAS G12C signaling as measured by phosphorylation of ERK1/2 (p-ERK) in all KRAS p.G12C-mutant cell lines[2].
    ? Sotorasib (AMG-510; 1-10 μM; 72 hours) also potently impairs cellular viability in both NCI-H358 and MIA PaCa-2 with IC50≈0.006 μM and 0.009 μM, respectively. Non-KRASG12C lines are insensitive to Sotorasib (IC50>7.5 μM)[3].

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

    Cell Viability Assay [3]

    Cell Line: NCI-H358 and MIA PaCa-2 cells
    Concentration: 1-10 μM
    Incubation Time: 72 hours
    Result: Potently impaired cellular viability in both NCI-H358 and MIA PaCa-2 (IC50≈0.006 μM and 0.009 μM respectively).
    In Vivo

    In preclinical tumor models, Sotorasib (AMG-510) rapidly and irreversibly binds to KRAS G12C, providing durable suppression of the mitogen-activated protein kinase (MAPK) signaling pathway. Sotorasib (orally; once daily) is capable of inducing tumor regression in mouse models of KRAS G12C cancer[3].

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

    Clinical Trial
    Molecular Weight

    560.59

    Formula

    C30H30F2N6O3

    CAS No.
    Appearance

    Solid

    SMILES

    O=C(C=C)N1C[C@H](C)N(C2=NC(N(C3=C(C)C=CN=C3C(C)C)C4=C2C=C(F)C(C5=C(O)C=CC=C5F)=N4)=O)CC1

    Shipping

    Room temperature in continental US; may vary elsewhere.

    Storage

    -20°C, stored under nitrogen

    *In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen)

    Solvent & Solubility
    In Vitro: 

    DMSO : 50 mg/mL (89.19 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

    H2O : 33.33 mg/mL (59.46 mM; ultrasonic and adjust pH to 11 with NaOH)

    Preparing
    Stock Solutions
    Concentration Solvent Mass 1 mg 5 mg 10 mg
    1 mM 1.7838 mL 8.9192 mL 17.8383 mL
    5 mM 0.3568 mL 1.7838 mL 3.5677 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 (stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

    * Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

    • Molarity Calculator

    • Dilution Calculator

    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: ≥ 2.08 mg/mL (3.71 mM); Clear solution

      This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

      Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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: ≥ 2.08 mg/mL (3.71 mM); Clear solution

      This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

      Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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.

    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 in Saline

      Solubility: 10 mg/mL (17.84 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)

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    Number of animals

    Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
    Calculation results:
    Working solution concentration: mg/mL
    This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.
    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).
    Purity & Documentation

    Purity: 99.94%

    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 (stored under nitrogen). 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
    H2O / DMSO 1 mM 1.7838 mL 8.9192 mL 17.8383 mL 44.5959 mL
    5 mM 0.3568 mL 1.7838 mL 3.5677 mL 8.9192 mL
    10 mM 0.1784 mL 0.8919 mL 1.7838 mL 4.4596 mL
    15 mM 0.1189 mL 0.5946 mL 1.1892 mL 2.9731 mL
    20 mM 0.0892 mL 0.4460 mL 0.8919 mL 2.2298 mL
    25 mM 0.0714 mL 0.3568 mL 0.7135 mL 1.7838 mL
    30 mM 0.0595 mL 0.2973 mL 0.5946 mL 1.4865 mL
    40 mM 0.0446 mL 0.2230 mL 0.4460 mL 1.1149 mL
    50 mM 0.0357 mL 0.1784 mL 0.3568 mL 0.8919 mL
    DMSO 60 mM 0.0297 mL 0.1487 mL 0.2973 mL 0.7433 mL
    80 mM 0.0223 mL 0.1115 mL 0.2230 mL 0.5574 mL

    * Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

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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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