1. Anti-infection
  2. Fungal Parasite
  3. Posaconazole

Posaconazole  (Synonyms: SCH 56592)

Cat. No.: HY-17373 Purity: 99.94%
COA Handling Instructions

Posaconazole is a broad-spectrum, second generation, triazole compound with antifungal activity.

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

Posaconazole Chemical Structure

Posaconazole Chemical Structure

CAS No. : 171228-49-2

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Solid + Solvent
10 mM * 1 mL in DMSO
ready for reconstitution
USD 119 In-stock
Solution
10 mM * 1 mL in DMSO USD 119 In-stock
Solid
5 mg USD 77 In-stock
10 mg USD 121 In-stock
50 mg USD 363 In-stock
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Customer Review

Based on 8 publication(s) in Google Scholar

Other Forms of Posaconazole:

Top Publications Citing Use of Products
  • Biological Activity

  • Protocol

  • Purity & Documentation

  • References

  • Customer Review

Description

Posaconazole is a broad-spectrum, second generation, triazole compound with antifungal activity.

In Vitro

Posaconazole has potent trypanocidal activity. Amiodarone acts synergistically with Posaconazole. Posaconazole also affects and disrupts Ca2+ homeostasis in T. cruzi. Posaconazole blocks the biosynthesis of ergosterol, which is essential for parasite survival. Posaconazole has a clear, dose-dependent effect on proliferation of the epimastigote (extracellular) stages, with a minimal inhibitory concentration of 20 nM and an IC50 of 14 nM. Against the clinically relevant intracellular amastigote form of the parasite, Posaconazole is even more potent. Posaconazole has the minimal inhibitory concentration and IC50 values of 3 nM and 0.25 nM[1]. Posaconazole is active against isolates of Candida and Aspergillus spp. that exhibit resistance to Fluconazole, Voriconazole, and Amphotericin B and is much more active than the other triazoles against zygomycetes[2].

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

In Vivo

Treatment of infected animals with amiodarone alone reduces parasitemia, increases survival 60 days pi (0% for untreated controls vs 40% for amiodarone-treated animals) and, when given in combination with Posaconazole, delays the development of parasitemia[1].
Coadministration of Posaconazole and Boost Plus increases drug exposure compared to the administration of Posaconazole alone in the fasted state. Food, particularly meals high in fat content, significantly increases Posaconazole bioavailability. Systemic exposure to Posaconazole increases 4- and 2.6-fold when it is consumed with a high-fat and nonfat meal, respectively[3].
Posaconazole and Amiodarone may constitute an effective anti-T. cruzi therapy with low side effect[4].
At twice-daily doses of ≥ 15 mg/kg of body weight, Posaconazole prolongs the survival of the mice and reduces tissue burden[5].

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

Clinical Trial
Molecular Weight

700.78

Formula

C37H42F2N8O4

CAS No.
Appearance

Solid

Color

White to off-white

SMILES

FC1=CC=C([C@@]2(CN3C=NC=N3)C[C@H](COC4=CC=C(N5CCN(C6=CC=C(N7C=NN([C@@H](CC)[C@H](C)O)C7=O)C=C6)CC5)C=C4)CO2)C(F)=C1

Shipping

Room temperature in continental US; may vary elsewhere.

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

DMSO : 18.75 mg/mL (26.76 mM; ultrasonic and warming and heat to 60°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 1.4270 mL 7.1349 mL 14.2698 mL
5 mM 0.2854 mL 1.4270 mL 2.8540 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, 1 years; -20°C, 6 months. When stored at -80°C, please use it within 1 years. When stored at -20°C, please use it within 6 months.

  • Molarity Calculator

  • Dilution Calculator

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

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Molecular Weight *

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

This equation is commonly abbreviated as: C1V1 = C2V2

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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: ≥ 1.88 mg/mL (2.68 mM); Suspended solution

    This protocol yields a suspended solution of ≥ 1.88 mg/mL (saturation unknown). Suspended solution can be used for oral and intraperitoneal injection.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (18.8 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: ≥ 1.88 mg/mL (2.68 mM); Clear solution

    This protocol yields a clear solution of ≥ 1.88 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (18.8 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:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

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: 99.94%

References
Cell Assay
[1]

The epimastigote form of the parasite is cultivated in liver infusion tryptose medium,12 supplemented with 10% new born calf serum at 28°C with strong (120 rpm) agitation. Cultures are initiated at a cell density of 2×106 epimastigotes mL-1, and drugs are added at a cell density of 0.5−1.0 ×107 epimastigotes mL-1. Cell densities are measured by using an electronic particle counter as well as by direct counting with a hemocytometer. Cell viability is followed by Trypan blue exclusion, using light microscopy. Amastigotes are cultured in Vero cells maintained in minimal essential medium supplemented with 1% fetal calf serum in a humidified atmosphere (95% air−5% CO2) at 37°C, as described previously. Cells are infected with 10 tissue culture-derived trypomastigotes per cell for 2 h and then washed three times with phosphate-buffered saline (PBS) to remove nonadherent parasites. Fresh medium with and without drugs is added, and the cells are incubated for 96 h with a medium change at 48 h. The percent of infected cells and the numbers of parasites per cell are determined directly using light microscopy, and a statistical analysis of the results is carried out as described previously. IC50 values are calculated by nonlinear regression, using the program GraFit. Cytoplasmic free Ca2+ concentrations in control and drug-treated extracellular epimastigotes are determined by fluorimetric methods, using Fura-2, again as described previously. Subcellular Ca2+ levels and mitochondrial membrane potentials are monitored on individual Vero cells infected with T. cruzi amastigotes by using time-scan confocal microscopy, as described in detail elsewhere. Briefly, Vero cells heavily infected (72 h) with T. cruzi amastigotes are plated onto 22×40 mm glass coverslips (0.15 mm thickness) and incubated simultaneously with 10 μM cell-permeant Rhod-2 and 10 μg/mL Rhodamine-123 for 50 min at 37°C in culture medium and then washed and incubated with Ringer's solution, with or without amiodarone. Under the conditions used, fluorescence of Rhod-2 comes mainly from intracellular Ca2+-rich compartments, like mitochondria, since its low affinity for Ca2+ limits its fluorescence in the Ca2+-poor cytoplasm of the Vero cells or amastigotes. Rhodamine-123 is a mitochondrion-specific cationic dye, which distributes across the inner mitochondrial membranes strictly according to their membrane potential.

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

Animal Administration
[1]

In vivo studies are carried out by using the murine model of acute Chagas' disease in which female NMRI−IVIC mice (20−25 g) are infected with 105 or 103 bloodstream trypomastigotes and drug treatment is started 24 h later. Treatments are given for 30 consecutive days at 20 mg/kg/d for posaconazole (30 doses) and/or at 50 mg/kg every other day for amiodarone (15 doses). Negative controls (i.e. untreated animals) receive only the vehicle, while positive controls are treated with the anti-T. cruzi compound, nifurtimox, at 50 mg/kg/d for 30 days. Survival is followed daily and parasitemia weekly, the latter by direct microscopic examination. Animals are observed for 60 days postinfection, after which time parasitological cures are evaluated by using a combination of hemoculture, xenodiagnosis, and blood PCR tests.

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, 1 years; -20°C, 6 months. When stored at -80°C, please use it within 1 years. When stored at -20°C, please use it within 6 months.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 1.4270 mL 7.1349 mL 14.2698 mL 35.6745 mL
5 mM 0.2854 mL 1.4270 mL 2.8540 mL 7.1349 mL
10 mM 0.1427 mL 0.7135 mL 1.4270 mL 3.5675 mL
15 mM 0.0951 mL 0.4757 mL 0.9513 mL 2.3783 mL
20 mM 0.0713 mL 0.3567 mL 0.7135 mL 1.7837 mL
25 mM 0.0571 mL 0.2854 mL 0.5708 mL 1.4270 mL
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Posaconazole 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.

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