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Verubulin hydrochloride (MPC-6827 hydrochloride)

Alias: MPC-6827; MPC6827; MPC 6827; Verubulin HCl; Verubulin hydrochloride
Cat No.:V28779 Purity: ≥98%
Verubulin hydrochloride (MPC-6827 hydrochloride), the hydrochloride salt of verubulin, is a quinazoline-based and BBB (blood brain barrier) permeable microtubule-disrupting agent with potential antitumor activity.
Verubulin hydrochloride (MPC-6827 hydrochloride)
Verubulin hydrochloride (MPC-6827 hydrochloride) Chemical Structure CAS No.: 917369-31-4
Product category: Microtubule(Tubulin)
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
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25mg
50mg
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Other Forms of Verubulin hydrochloride (MPC-6827 hydrochloride):

  • Verubulin (MPC-6827)
Official Supplier of:
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Top Publications Citing lnvivochem Products
Product Description
Verubulin hydrochloride (MPC-6827 hydrochloride), the hydrochloride salt of verubulin, is a quinazoline-based and BBB (blood brain barrier) permeable microtubule-disrupting agent with potential antitumor activity. It functions as a vascular disrupting agent (VDA) and is named as such because it destabilizes the polymerization of microtubules. It was undergoing clinical trials to treat glioblastoma (GBM).
Verubulin hydrochloride (MPC-6827 hydrochloride) is a quinazoline-based, blood-brain barrier (BBB)-penetrating microtubule-destabilizing agent with potential antitumor activity. With a molecular formula of C17H18ClN3O and a molecular weight of 315.80 g/mol, it is a member of the vinca alkaloid family, which includes vincristine and vinblastine.
Biological Activity I Assay Protocols (From Reference)
Targets
microtubule
Verubulin hydrochloride targets tubulin, inhibiting tubulin polymerization. As a microtubule destabilizer and vascular disrupting agent (VDA), it disrupts the microtubule network, leading to cell cycle arrest and apoptosis in cancer cells.
ln Vitro
Verubulin hydrochloride is the hydrochloride of compound Verubulin. With GI50 values of 3–6 nM in T47D, HCT116, and SNU-398 cells, verubulin (MPC-6827) is a strong inhibitor of cancer cell growth.[2]
In vitro, Verubulin hydrochloride inhibits tubulin polymerization in a cell-free assay at concentrations of 0.5, 5, and 50 μM. It is a potent inhibitor of cancer cell growth, with GI50 values of 3-6 nM in T47D, HCT116, and SNU-398 cells.
ln Vivo
Verubulin (MPC-6827) is effective in an MX-1 breast tumor model and has good blood-brain barrier penetration.[2]
In vivo, Verubulin hydrochloride exhibits potent anticancer activity in human MX-1 breast and other mouse xenograft cancer models. It achieves high brain concentration relative to plasma in animals, making it a promising candidate for the treatment of brain tumors.
Enzyme Assay
The in vitro tubulin polymerization assay involves incubating purified tubulin with varying concentrations of Verubulin hydrochloride and measuring the extent of polymerization by spectrophotometry. The inhibition of polymerization is calculated from the dose-response curve.
Cell Assay
In vitro cell-based assays for Verubulin hydrochloride utilize cancer cell lines such as T47D, HCT116, and SNU-398. Cells are treated with the compound, and cell viability is assessed by MTT or CellTiter-Glo assays. Cell cycle analysis and apoptosis detection are performed by flow cytometry.
Animal Protocol
In vivo animal experiments for Verubulin hydrochloride are performed in xenograft models using human MX-1 breast cancer cells or other cancer cell lines. The compound is administered, and tumor growth is monitored.
ADME/Pharmacokinetics
Verubulin hydrochloride has a molecular weight of 315.80 g/mol and is soluble in DMSO. It is typically stored as a powder at -20°C. Its purity is ≥98%.
Toxicity/Toxicokinetics
Toxicological data for Verubulin hydrochloride are limited, as it is a research compound. As a microtubule-destabilizing agent, it has potential for significant biological effects. It is not intended for human use. Standard safety precautions should be followed.
References

[1]. J Neurooncol . 2014 Jun;118(2):335-343.

[2]. J Med Chem . 2009 Apr 23;52(8):2341-51.

Additional Infomation
Verubulin hydrochloride is the hydrochloride form of Verubulin, a quinazoline derivative with potential dual antitumor activity. Verubulin binds to tubulin and inhibits its polymerization, thereby blocking microtubule formation, leading to disordered spindle assembly during mitosis, cell cycle arrest at the G2/M phase, and ultimately cell death. This drug is not a substrate for many multidrug resistance ABC transporter subtypes (such as P-glycoprotein, multidrug resistance-associated protein 1 (MRP1), and breast cancer resistance protein 1 (BCRP1)); therefore, it may be effective against multidrug-resistant (MDR) tumors expressing these transporters. Furthermore, as a vascular disruptor (VDA), Verubulin appears to specifically disrupt tumor microvessels, potentially leading to acute ischemia and massive tumor cell death.
Verubulin hydrochloride is a research compound with no clinical approval. It is a promising candidate for the treatment of multiple cancer types, particularly brain tumors, due to its BBB penetration. It is used in drug discovery programs to explore the therapeutic potential of microtubule-destabilizing agents and vascular disrupting agents.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C₁₇H₁₈CLN₃O
Molecular Weight
315.80
Exact Mass
315.114
Elemental Analysis
C, 64.66; H, 5.75; Cl, 11.23; N, 13.31; O, 5.07
CAS #
917369-31-4
Related CAS #
Verubulin;827031-83-4
PubChem CID
11638255
Appearance
White to light yellow solid powder
LogP
4.516
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
4
Rotatable Bond Count
3
Heavy Atom Count
22
Complexity
330
Defined Atom Stereocenter Count
0
SMILES
Cl.N1C2C(=CC=CC=2)C(N(C)C2C=CC(OC)=CC=2)=NC=1C
InChi Key
VYUWDIKZJLOZJL-UHFFFAOYSA-N
InChi Code
InChI=1S/C17H17N3O.ClH/c1-12-18-16-7-5-4-6-15(16)17(19-12)20(2)13-8-10-14(21-3)11-9-13;/h4-11H,1-3H3;1H
Chemical Name
N-(4-methoxyphenyl)-N,2-dimethylquinazolin-4-amine;hydrochloride
Synonyms
MPC-6827; MPC6827; MPC 6827; Verubulin HCl; Verubulin hydrochloride
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: Please store this product in a sealed and protected environment, avoid exposure to moisture.
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO 56~62.5 mg/mL (177.3~197.9 mM)
Ethanol: ~56 mg/mL (~177.3 mM)
Water: ~56 mg/mL (~177.3 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (7.92 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.5 mg/mL (7.92 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 3.1666 mL 15.8328 mL 31.6656 mL
5 mM 0.6333 mL 3.1666 mL 6.3331 mL
10 mM 0.3167 mL 1.5833 mL 3.1666 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

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  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

Clinical Trial Information
Phase 2 Study of Azixa (MPC-6827) for the Treatment of Patients With Recurrent Glioblastoma Multiforme
CTID: NCT00892931
Phase: Phase 2
Status: Completed
Date: 2009-04-17
A Phase 2 Study of Verubulin With Radiation Therapy and Temozolomide in Subjects Newly Diagnosed With Glioblastoma Multiforme
CTID: NCT01285414
Phase: Phase 2
Status: Completed
Date: 2010-02-09
Exploratory Evaluation of [11C]MPC6827 Pharmacokinetics With Positron Emission Tomography (PET)
CTID: NCT04575727
Phase: Phase 1
Status: Completed
Date: 2020-10-01
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