1. Cell Cycle/DNA Damage
  2. Checkpoint Kinase (Chk)
  3. SCH900776

SCH900776 (Synonyms: MK-8776)

Cat. No.: HY-15532 Purity: 99.97%
Handling Instructions

SCH900776 is a potent, selective and orally bioavailable inhibitor of checkpoint kinase1 (Chk1) with an IC50 of 3 nM. SCH900776 shows 50- and 500-fold selectivity over CDK2 and Chk2, respectively.

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

SCH900776 Chemical Structure

SCH900776 Chemical Structure

CAS No. : 891494-63-6

Size Price Stock Quantity
Free Sample (0.5-1 mg)   Apply now  
10 mM * 1 mL in DMSO USD 145 In-stock
Estimated Time of Arrival: December 31
5 mg USD 132 In-stock
Estimated Time of Arrival: December 31
10 mg USD 192 In-stock
Estimated Time of Arrival: December 31
50 mg USD 540 In-stock
Estimated Time of Arrival: December 31
100 mg USD 900 In-stock
Estimated Time of Arrival: December 31
200 mg   Get quote  
500 mg   Get quote  

* Please select Quantity before adding items.

Customer Review

Based on 4 publication(s) in Google Scholar

Other Forms of SCH900776:

Top Publications Citing Use of Products

    SCH900776 purchased from MCE. Usage Cited in: Mol Cancer Ther. 2018 Dec;17(12):2676-2688.

    EW8 cells are treated with 50 nM Gemcitabine in combination with increasing doses of Prexasertib, LY2603618, or MK-8776 for 6 hours. Cell lysates are then collected and blotted for p-CHK1- 296.

    View All Checkpoint Kinase (Chk) Isoform Specific Products:

    • Biological Activity

    • Protocol

    • Purity & Documentation

    • References

    • Customer Review

    Description

    SCH900776 is a potent, selective and orally bioavailable inhibitor of checkpoint kinase1 (Chk1) with an IC50 of 3 nM. SCH900776 shows 50- and 500-fold selectivity over CDK2 and Chk2, respectively.

    IC50 & Target[2]

    Chk1

    3 nM (IC50)

    Chk2

    1500 nM (IC50)

    CDK2

    160 nM (IC50)

    In Vitro

    SCH900776 (300 nM) shows potent inhibitory activities against phosphorylation at ser296-Chk1. SCH900776 (1 μM) causes a 30-fold decrease in the IC50 for hydroxyurea in MDA-MB-231 cells[1]. The Kd value of SCH 900776 for the CHK1 kinase domain is 2 nM. SCH 900776 exhibits an approximate EC50 of 60 nM in cells exposure to hydroxyurea. SCH 900776 induces dose-dependent suppression of CHK1 pS296 and concomitant accumulation of phospho-RPA signal in U2OS cells[2].

    In Vivo

    SCH 900776 induces the γ-H2AX biomarker at 4 mg/kg (i.p.), and enhances tumor pharmacodynamic and regression responses in A2780 xenograft model. SCH 900776 (16 and 32 mg/kg, i.p.) induces incremental improvements in tumor response. Escalation of SCH 900776 dose to 20 and 50 mg/kg in combination with gemcitabine results in improvements in TTP 10× in the A2780 xenograft systems[2].

    Clinical Trial
    Molecular Weight

    376.25

    Formula

    C₁₅H₁₈BrN₇

    CAS No.

    891494-63-6

    SMILES

    NC1=C(Br)C([[email protected]]2CNCCC2)=NC3=C(C4=CN(C)N=C4)C=NN13

    Shipping

    Room temperature in continental US; may vary elsewhere.

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

    DMSO : ≥ 100 mg/mL (265.78 mM)

    *"≥" means soluble, but saturation unknown.

    Preparing
    Stock Solutions
    Concentration Solvent Mass 1 mg 5 mg 10 mg
    1 mM 2.6578 mL 13.2890 mL 26.5781 mL
    5 mM 0.5316 mL 2.6578 mL 5.3156 mL
    10 mM 0.2658 mL 1.3289 mL 2.6578 mL
    *Please refer to the solubility information to select the appropriate solvent.
    In Vivo:
    • 1.

      Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% saline

      Solubility: ≥ 2.5 mg/mL (6.64 mM); Clear solution

    • 2.

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

      Solubility: ≥ 2.5 mg/mL (6.64 mM); Clear solution

    • 3.

      Add each solvent one by one:  10% DMSO    90% corn oil

      Solubility: ≥ 2.5 mg/mL (6.64 mM); Clear solution

    *All of the co-solvents are provided by MCE.
    References
    Kinase Assay
    [2]

    The Kinase Profiler service is used to generate general selectivity data for SCH 900776 against a broad range of serine/threonine and tyrosine kinases. Assays are typically run at two concentrations of SCH 900776 (0.5 and 5 μM), at a fixed (10 μM) concentration of ATP.

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

    Cell Assay
    [1]

    For cell growth assays, cells are seeded at low density (500-1000 cells) in 96-well plates and then incubated with drug for 24 h (8 wells per concentration). Following treatment, cells are washed and grown in fresh media for 5-7 days at 37°C. Prior to attaining confluence, cells are washed, lysed, and stained with Hoechst 33258. Fluorescence is read on a microplate spectrofluorometer. Results are expressed as mean and standard error for the concentration of drug that inhibited growth by 50%.

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

    Animal Administration
    [2]

    For tumor implantation, specific cell lines are grown in vitro, washed once with PBS and resuspended in 50% Matrigel in PBS to a final concentration of 4×107 to 5×107 cells per mL. Nude mice are injected with 0.1 mL of this suspension subcutaneously in the flank region. Tumor length (L), width (W), and height (H) are measured by a caliper twice a week on each mouse and then used to calculate tumor volume using the formula: (L×W×H)/2. Animals (N=10) are randomized to treatment groups and treated intraperitoneally with either SCH 900776 (formulated in 20% hydroxypropyl β-cyclodextrin) or individual chemotherapeutic agents, formulated as recommended. Tumor volumes and body weights are measured during and after the treatment periods. Data are recorded as means±SEM before being normalized to starting volume. Time to progression to 10x starting volume (TTP 10x) is monitored in some experiments. For pharmacodynamic marker analyses in mice, tumors and adjacent skin are collected at necropsy, fixed overnight in 10% formalin, and washed/stored in 70% ethanol. For skin punch biopsies, an area of approximately 4 square inches is shaved. Rats are anesthetized using inhaled isofluorane and dogs are locally anesthetized using subcutaneous administration of lidocaine. Samples are collected using a 4 mm biopsy punch. Skin punches are fixed in 10% formalin overnight before washing/storage in 70% ethanol.

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

    References

    Purity: 99.97%

    • No file chosen (Maximum size is: 1024 Kb)
    • If you have published this work, please enter the PubMed ID.
    • Your name will appear on the site.
    • Molarity Calculator

    • Dilution Calculator

    The molarity calculator equation

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

    Mass   Concentration   Volume   Molecular Weight *
    = × ×

    The dilution calculator equation

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

    This equation is commonly abbreviated as: C1V1 = C2V2

    Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
    × = ×
    C1   V1   C2   V2

    Keywords:

    SCH900776MK-8776SCH 900776SCH-900776MK8776MK 8776Checkpoint Kinase (Chk)Inhibitorinhibitorinhibit

    Your Recently Viewed Products:

    Inquiry Online

    Your information is safe with us. * Required Fields.

    Product name

     

    Salutation

    Applicant name *

     

    Email address *

    Phone number *

     

    Organization name *

    Country or Region *

     

    Requested quantity *

    Remarks

    Bulk Inquiry

    Inquiry Information

    Product name:
    SCH900776
    Cat. No.:
    HY-15532
    Quantity:
    MCE Japan Authorized Agent: