2. Protein Tyrosine Kinase/RTK Apoptosis
  3. Bcr-Abl FLT3 Src Apoptosis
  4. Rebastinib

Rebastinib  (Synonyms: DCC-2036)

Cat. No.: HY-13024 Purity: 99.91%
COA Handling Instructions

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Rebastinib (DCC-2036) is an orally active, non-ATP-competitive Bcr-Abl inhibitor for Abl1WT and Abl1T315I with IC50s of 0.8 nM and 4 nM, respectively. Rebastinib also inhibits SRC, KDR, FLT3, and Tie-2, and has low activity to seen towards c-Kit.

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

Rebastinib Chemical Structure

Rebastinib Chemical Structure

CAS No. : 1020172-07-9

Size Price Stock Quantity
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
 USD 94 In-stock
Solution
10 mM * 1 mL in DMSO USD 94 In-stock
Solid
1 mg USD 31 In-stock
5 mg USD 77 In-stock
10 mg USD 132 In-stock
50 mg USD 319 In-stock
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Based on 6 publication(s) in Google Scholar

Rebastinib Related Antibodies

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  • Biological Activity

  • Protocol

  • Purity & Documentation

  • References

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Description

Rebastinib (DCC-2036) is an orally active, non-ATP-competitive Bcr-Abl inhibitor for Abl1WT and Abl1T315I with IC50s of 0.8 nM and 4 nM, respectively. Rebastinib also inhibits SRC, KDR, FLT3, and Tie-2, and has low activity to seen towards c-Kit.

IC50 & Target

IC50: 0.75±0.11 nM (ABL1WT), 2±0.3 nM (FLT3), 4±0.3 nM (KDR), 6±0.3 nM (TIE2), 34±6 nM (SRC)[1]
In Vitro

Rebastinib potently (IC50 0.82 nM) inhibits u-ABL1native, which is thought to exist predominantly in the inactive type II conformation. In addition, Rebastinib also strongly inhibits p-ABL1native (IC50 2 nM), which more readily adopts an active, Type I conformation[1].
Rebastinib potently inhibits both u-ABL1T315I (IC50 5 nM) and p-ABL1T315I (IC50 4 nM), both of which exist predominately in the Type I conformation due to stabilization of an activating hydrophobic spine by the T315I mutation[1].
In addition to ABL1, Rebastinib also inhibits the SRC family kinases LYN, SRC, FGR, and HCK, and PDGFRα, and PDGFRβ with IC50 of 29±1, 34±6, 38±1, 40±1, 70±10 and 113±10 nM, respectively. Notably, Rebastinib spared c-KIT (IC50 481 nM)[1].
Rebastinib effectively inhibits the proliferation of Ba/F3 cells expressing native BCR-ABL1native (IC50 5.4 nM). Rebastinib also inhibits proliferation of the Ph+ cell line K562 (IC50 5.5 nM)[1].
Rebastinib also inhibits proliferation of several common TKI-resistant mutants of BCR-ABL1, including G250E, Q252H, Y235F, E255K, V299L, F317L, and M351T, at IC50s ranging from 6-150 nM. Rebastinib effectively inhibits autophosphorylation of BCR-ABL1native (IC50 29 nM) and BCR-ABL1T315I (IC50 18 nM), as well as the phosphorylation of STAT5 in both cell lines (IC50 28 nM and 13 nM, respectively)[1].

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

Rebastinib Related Antibodies
In Vivo

A single dose of Rebastinib (DCC-2036; oral; 100 mg/kg) affords circulating plasma levels that exceeds 12 μM for up to 24 hours, and effectively inhibits BCR-ABL1 signaling for up to 8 hours in Ba/F3-BCR-ABL1T315I leukemia cells isolated from BM and spleen of tumor-bearing mice[1].
Treatment of mice bearing Ba/F3-BCR-ABL1T315I leukemia cells with Rebastinib at 100 mg/kg once daily by oral gavage significantly prolonged their survival, while STI571 at 100 mg/kg twice daily is ineffective[1].
In this aggressive allograft model, Rebastinib is as effective for treatment of BCR-ABLT315I leukemia as STI571 at 100 mg/kg twice daily in BCR-ABL1native leukemia, and reduces the leukemia cell burden in the spleens of treated mice[1].

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

553.59

Formula

C30H28FN7O3
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

CC(C)(C)C1=NN(C(NC(NC2=C(F)C=C(OC3=CC(C(NC)=O)=NC=C3)C=C2)=O)=C1)C4=CC=C5C(C=CC=N5)=C4
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 : 50 mg/mL (90.32 mM; ultrasonic and warming and heat to 80°C; 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 1.8064 mL 9.0320 mL 18.0639 mL
5 mM 0.3613 mL 1.8064 mL 3.6128 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)

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)

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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 (3.76 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 (3.76 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.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

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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

Purity: 99.91%

COA (254 KB) HNMR (207 KB) LCMS (120 KB)

Handling Instructions (2659 KB)
References
Cell Assay
[1]

Ba/F3 cells (3×103 cells/well) or primary Ph+ leukemia cells (5×104 cells/well) are plated in triplicate in 96-well plates containing test compounds (e.g., Rebastinib (DCC-2036)). After 72h, viable cells are quantified by resazurin or MTT assay. Results represent an average of at least three independent experiments[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Administration
[1]

Mice[1]
Ba/F3 cells (1×106) transformed to interleukin-3 independence by transduction with either BCR-ABL1native or BCR-ABL1T315I retrovirus are injected intravenously into syngeneic Balb/c recipients. Beginning day 3 post-injection, mice are treated with STI571 (100 mg/kg in water twice daily via oral gavage) or with Rebastinib (DCC-2036) (100 mg/kg in 0.5% CMC/1% Tween-80, once daily via oral gavage) or with vehicle (0.5% CMC/1% Tween-80) alone. For induction of CML-like leukemia, bone marrow (BM) from male Balb/c donor mice is harvested 4d after intravenous administration of 150 mg/kg 5-FU, transduced with BCR-ABL1T315I retrovirus, and 5×105 cells injected intravenously into sublethally irradiated (400 cGy) Balb/c recipients. Beginning at d5 post-transplant, cohorts are treated once daily by oral gavage with vehicle alone, or Rebastinib (DCC-2036) at 100 mg/kg. For induction of B-cell acute lymphoblastic leukemia, BM from donors not pretreated with 5-FU is transduced once with BCR-ABL1T315I retrovirus and 1×106 cells injected into sublethally irradiated Balb/c recipients. Beginning at d8 post-transplant, cohorts are treated twice daily by oral gavage with vehicle alone, with Rebastinib (DCC-2036) at 60 mg/kg, with STI571 at 100 mg/kg (in water), or with BMS-354825 at 10 mg/kg (in 80 mM citric acid pH 3.1).

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
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 1.8064 mL 9.0320 mL 18.0639 mL 45.1598 mL
5 mM 0.3613 mL 1.8064 mL 3.6128 mL 9.0320 mL
10 mM 0.1806 mL 0.9032 mL 1.8064 mL 4.5160 mL
15 mM 0.1204 mL 0.6021 mL 1.2043 mL 3.0107 mL
20 mM 0.0903 mL 0.4516 mL 0.9032 mL 2.2580 mL
25 mM 0.0723 mL 0.3613 mL 0.7226 mL 1.8064 mL
30 mM 0.0602 mL 0.3011 mL 0.6021 mL 1.5053 mL
40 mM 0.0452 mL 0.2258 mL 0.4516 mL 1.1290 mL
50 mM 0.0361 mL 0.1806 mL 0.3613 mL 0.9032 mL
60 mM 0.0301 mL 0.1505 mL 0.3011 mL 0.7527 mL
80 mM 0.0226 mL 0.1129 mL 0.2258 mL 0.5645 mL
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Rebastinib 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:

Rebastinib1020172-07-9DCC-2036DCC2036DCC 2036Bcr-AblFLT3SrcApoptosisCluster of differentiation antigen 135CD135Fms like tyrosine kinase 3Inhibitorinhibitorinhibit

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