Cat. No.: HY-10222

Ixabepilone

(Synonyms: BMS-247550; Aza-epothilone B)

9 Cited Publications

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Based on 9 publication(s) in Google Scholar

Ixabepilone (BMS-247550) is an orally bioavailable microtubule inhibitor, which binds to tubulin and promotes tubulin polymerization and microtubule stabilization, thereby arrests cells in the G2-M phase of the cell cycle and induces tumor cell apoptosis.

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Pureté: 99.84%
CAS No.: 219989-84-1
Formule: C₂₇H₄₂N₂O₅S
Masse moléculaire:506.70

Stockage:

4°C, protect from light

* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

Ixabepilone Chemical Structure

CAS No.: 219989-84-1

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Activité biologique
- Description
- Cellular Effect
- In Vitro
- In Vivo
- Essai clinique
Chemical Information
Publications (9)
Solvant et solubilité
- In Vitro
- In Vivo
Protocole
Pureté et documentation
Références
Help & FAQs
Classifications
Bioz

Activité biologique

Description

Cellular Effect

Cell Line	Type	Value	Description	References
1A9	IC₅₀	6.65 nM Compound: 12	Cytotoxicity against human 1A9 cells Cytotoxicity against human 1A9 cells	[PMID: 28850227]
CCRF-CEM	IC₅₀	3 nM Compound: Ixabepilone	Antiproliferative activity against human CCRF-CEM cells assessed as reduction in cell viability after 72 hrs by MTS assay Antiproliferative activity against human CCRF-CEM cells assessed as reduction in cell viability after 72 hrs by MTS assay	[PMID: 31419740]
HCT-116	IC₅₀	2.6 nM Compound: Ixabepilone	Cytotoxicity against human HCT116 cells Cytotoxicity against human HCT116 cells	[PMID: 29251920]
KB	IC₅₀	8 nM Compound: Ixabepilone	Antiproliferative activity against human KB cells assessed as reduction in cell viability after 72 hrs by MTS assay Antiproliferative activity against human KB cells assessed as reduction in cell viability after 72 hrs by MTS assay	[PMID: 31419740]

In Vitro

BMS-247550 is a highly potent cytotoxic agent capable of killing cancer cells at low nanomolar concentrations and retains its antineoplastic activity against human cancers that are naturally insensitive to paclitaxel or that have developed resistance to paclitaxel^[1].

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

In Vivo

BMS-247550 demonstrates antitumor activity that is superior to paclitaxel in both paclitaxel-resistant and -sensitive tumors. BMS-247550 is more efficacious than paclitaxel in all five paclitaxel-resistant tumors evaluated in this study (four human and one murine): the clinically derived paclitaxel resistant Pat-7 ovarian carcinoma, the A2780Tax ovarian carcinoma that is resistant to paclitaxel because of tubulin mutations, the HCT116/VM46 MDR colon carcinoma, the clinically derived paclitaxel-resistant Pat-21 breast carcinoma, and the murine fibrosarcoma M5076. Against three paclitaxel-sensitive human tumor xenografts, BMS-247550 produces antitumor activity equivalent to paclitaxel: A2780 human ovarian carcinoma, HCT116, and LS174T human colon carcinoma^[1].

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

Essai clinique

NCT Number	Sponsor	Condition	Start Date	Phase A549
NCT01329991	Plexxikon\|		2011-05	PHASE1

Chemical Information

CAS No. 219989-84-1
Appearance Solid
Masse moléculaire 506.70
Formule C₂₇H₄₂N₂O₅S
Color White to off-white
SMILES

O=C([C@@H]([C@H]([C@H](CCC[C@]1(O[C@]1(C[C@H](N2)/C(C)=C/C3=CSC(C)=N3)[H])C)C)O)C)C(C)([C@H](CC2=O)O)C
Synonyms

BMS-247550; Aza-epothilone B
Livraison

Room temperature in continental US; may vary elsewhere.
Stockage

4°C, protect from light

* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

Publications (9)

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Journal Impact Factor

J Exp Clin Cancer Res

Genomic profiling of a collection of patient-derived xenografts and cell lines identified ixabepilone as an active drug against chemo-resistant osteosarcoma. [Abstract]

2025 Jul 8;44(1):195. PMID: 40624718
Cell Rep Med

CAN-Scan: A multi-omic phenotype-driven precision oncology platform identifies prognostic biomarkers of therapy response for colorectal cancer. [Abstract]

2025 Apr 15;6(4):102053. PMID: 40187357
Int J Biol Macromol

Folic acid-targeted chitosan-alginate blend nanoparticles for enhanced ixabepilone delivery and antitumor efficacy in breast cancer. [Abstract]

2026 Mar 11:151390. PMID: 41825671
Cell Rep Methods

RECOVER identifies synergistic drug combinations in vitro through sequential model optimization. [Abstract]

2023 Oct 23;3(10):100599. PMID: 37797618
Am J Pathol

Selective and Marked Blockade of Endothelial Sprouting Behavior Using Paclitaxel and Related Pharmacologic Agents. [Abstract]

2021 Dec;191(12):2245-2264. PMID: 34563512
Toxicol In Vitro

Utilization of iPSC-derived human neurons for high-throughput drug-induced peripheral neuropathy screening. [Abstract]

2017 Dec;45(Pt 1):111-118. PMID: 28843493
Biochem Biophys Res Commun

High-resolution X-ray structure of three microtubule-stabilizing agents in complex with tubulin provide a rationale for drug design. [Abstract]

2021 Jan 1:534:330-336. PMID: 33272565
bioRxiv

2025 Nov 12.
bioRxiv

Collagen I is a critical organizer of scarring and CNS regeneration failure. [Abstract]

2024 May 8:2024.05.07.592424. PMID: 38766123

Solvant et solubilité

In Vitro:

DMSO : 83.33 mg/mL (164.46 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

View the Complete Stock Solution Preparation Table

Preparing Stock Solutions

View the Complete Stock Solution Preparation Table

Concentration Solvent Mass

1 mg

5 mg

10 mg

Concentration

Solvent

Mass

1 mM

1.9736 mL

9.8678 mL

19.7355 mL

5 mM

0.3947 mL

1.9736 mL

3.9471 mL

10 mM

0.1974 mL

0.9868 mL

1.9736 mL

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 (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Calculateur de molarité

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

Mass Mass

Concentration Concentration

Volume Volume

Molecular Weight Molecular Weight

Calculateur de dilution

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

Concentration _(start) Concentration _(start)

Volume _(start) Volume _(start)

Concentration _(final) Concentration _(final)

Volume _(final) Volume _(final)

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

Stock Solution Working Solution

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 (4.10 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.

Protocol 2

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

Solubility: ≥ 2.08 mg/mL (4.10 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.

Protocol 3

Add each solvent one by one: 10% DMSO 90% Corn Oil

Solubility: ≥ 2.08 mg/mL (4.10 mM); Clear solution

This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown). If the continuous dosing period exceeds half a month, please choose this protocol carefully.

Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 900 μL Corn oil, and mix evenly.

In Vivo Dissolution Calculator

Please enter the basic information of animal experiments:

Dosage Dosage
mg/kg
Animal Weight (Per Animal) Animal Weight (Per Animal)
g
Dosing Volume (Per Animal) Dosing Volume (Per Animal)
μL
Number of Animals Number of Animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.

Please enter your animal formula composition:

%
DMSO +

Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
%
+
+
%
Tween-80 + +
%
Saline +

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).

Working solution concentration: 0.22 mg/mL

Protocole

Kinase Assay^[1]

The potency with which BMS-247550 and paclitaxel polymerize tubulin isolated from calf brain is evaluated by Published techniques. Briefly, different concentrations of paclitaxel or BMS-247550 in polymerization buffer [0.1 M mes, 1 mM EGTA, 0.5 mM MgCl₂ (pH 6.6)] are added to tubulin in polymerization buffer at 37°C in microcuvette wells of a Beckman. Model DU 7400 UV spectrophotometer. A final microtubule protein concentration of 1.0 mg/mL and compound concentrations of generally 2.5, 5.0, and 10 μM are used. Initial slopes of absorbance (A280 nM) change, measured every 10 s, are calculated by the software program accompanying the instrument.

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

Cell Assay^[1]

HCT116 cells from cultures are collected by trypsinization after 1, 2, 4, 8, 16, and 24 h exposure to 7.5 nm of BMS-247550. Cells are pelleted and fixed in 80% ethanol at −20°C. After an overnight storage at −20°C, cells are rehydrated with PBS buffer and DNA stain by incubation with propidium iodide (5 μg/mL) in 0.1% RNase for 15-30 min. Fluorescence-activated cell sorter acquisition is performed using the FACS Calibur instrument and analysis is done using Cellquest and Modfit software.

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

Pureté et documentation

Select Batch:

Pureté: 99.98%

Assay: 99.98%

ee.: 99.98%

Fiche technique (281 KB)
SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Instruction de manipulation (2659 KB)

Références

[1]. John T. Hunt Discovery of Ixabepilone. Mol Cancer Ther February 2009 8; 275

Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

Complete Stock Solution Preparation Table

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg
DMSO	1 mM	1.9736 mL	9.8678 mL	19.7355 mL	49.3389 mL
	5 mM	0.3947 mL	1.9736 mL	3.9471 mL	9.8678 mL
	10 mM	0.1974 mL	0.9868 mL	1.9736 mL	4.9339 mL
	15 mM	0.1316 mL	0.6579 mL	1.3157 mL	3.2893 mL
	20 mM	0.0987 mL	0.4934 mL	0.9868 mL	2.4669 mL
	25 mM	0.0789 mL	0.3947 mL	0.7894 mL	1.9736 mL
	30 mM	0.0658 mL	0.3289 mL	0.6579 mL	1.6446 mL
	40 mM	0.0493 mL	0.2467 mL	0.4934 mL	1.2335 mL
	50 mM	0.0395 mL	0.1974 mL	0.3947 mL	0.9868 mL
	60 mM	0.0329 mL	0.1645 mL	0.3289 mL	0.8223 mL
	80 mM	0.0247 mL	0.1233 mL	0.2467 mL	0.6167 mL
	100 mM	0.0197 mL	0.0987 mL	0.1974 mL	0.4934 mL

Keywords

Ixabepilone

9 Cited Publications

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Ixabepilone

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Publications Citing Use of MedChemExpress (MCE) Ixabepilone

Activité biologique

Chemical Information

Publications (9)

Solvant et solubilité

Protocole

Pureté et documentation

Références

Help & FAQs

Complete Stock Solution Preparation Table

Ixabepilone Related Classifications

HY-10222 Related Classifications