2. Anti-infection
  3. Parasite
  4. Acoziborole

Acoziborole  (Synonyms: SCYX-7158; AN5568)

Cat. No.: HY-19910 Purity: 99.94%
SDS COA Handling Instructions

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Acoziborole (SCYX-7158) is an effective, safe and orally active antiprotozoal agent for the research of human african trypanosomiasis (HAT). In the T. b. brucei S427 strain, the MIC value for SCYX-7158 is 0.6 µg/mL.

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

Acoziborole Chemical Structure

Acoziborole Chemical Structure

CAS No. : 1266084-51-8

Size Price Stock Quantity
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
 USD 385 In-stock
Solution
10 mM * 1 mL in DMSO USD 385 In-stock
Solid
5 mg USD 350 In-stock
10 mg USD 580 In-stock
50 mg USD 1600 In-stock
100 mg USD 2500 In-stock
250 mg USD 3800 In-stock
500 mg   Get quote  
1 g   Get quote  

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Customer Review

Based on 1 publication(s) in Google Scholar

Acoziborole Related Antibodies

Top Publications Citing Use of Products

1 Publications Citing Use of MCE Acoziborole

View All Parasite Isoform Specific Products:

View All Isoforms
Amebae Coccidia Leishmania Mite Plasmodium Toxoplasma Trypanosoma Schistosome

  • Biological Activity

  • Protocol

  • Purity & Documentation

  • References

  • Customer Review

Description

Acoziborole (SCYX-7158) is an effective, safe and orally active antiprotozoal agent for the research of human african trypanosomiasis (HAT). In the T. b. brucei S427 strain, the MIC value for SCYX-7158 is 0.6 µg/mL[1].

IC50 & Target

Trypanosoma

 

Cellular Effect
Cell Line Type Value Description References
Peritoneal macrophage CC50
> 64 μM
Compound: 1; AN556
Cytotoxicity against mouse primary peritoneal macrophages measured after 3 days by resazurin staining based fluorometric analysis
Cytotoxicity against mouse primary peritoneal macrophages measured after 3 days by resazurin staining based fluorometric analysis
[PMID: 34711050]
In Vitro

Acoziborole is active in vitro against relevant strains of Trypanosoma brucei, including T. b. rhodesiense and T. b. gambiense.In whole cell assays, Acoziborole exhibits potent activity against representative T. b. brucei, T. b. rhodesiense and T. b. gambiense strains. IC50 values for Acoziborole are approximately 0.07 µg/mL to 0.37 µg/mL following incubation of the parasite strains with Acoziborole for 72 h. In the T. b. brucei S427 strain, the MIC value for Acoziborole is 0.6 µg/mL, approximately two times the IC50 measured for this strain. In contrast to the potent activity of Acoziborole against trypanosomes, no significant inhibition of cell proliferation is observed in an in vitro mammalian cell (L929 mouse cell line) assay at drug concentrations up to 50 µg/mL. The potential for Acoziborole to inhibit cytochrome P450 (CYP) enzymes is evaluated using P450-Glo assays for the human isoforms CYP3A4, CYP1A2, CYP2C19, CYP2C9 and CYP2D6. The IC50 values for Acoziborole in these assays are all above 10 µM[1].

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

Acoziborole Related Antibodies
In Vivo

In uninfected mice, 4.3 mg/kg intravenous dose of Acoziborole show an apparent elimination half-life (t1/2) of 26.6 h; systemic clearance (CL) of 0.089 L/h/kg; a volume of distribution (Vdss) of 1.69 L/kg and area under the concentration-time curve (AUC0-24 h) of 48 h•μg/mL. Following an oral dose of 13.4 mg/kg, which corresponds to the lowest efficacious dose in the murine stage 2 HAT model, Acoziborole is rapidly absorbed, as a Cmax of 6.96 µg/mL is achieved in plasma at 6 h after dose, with an oral clearance (Cl/F) value of 0.163 L/h/kg, an AUC0-24 h of 82 h•μg/mL and absolute oral bioavailability of 55%. After a 26 mg/kg oral dose, which corresponds to the dose giving a 100% cure rate in the murine stage 2 HAT model, Cmax increases to 9.8 µg/mL and the AUC0-24 h is 113 h•μg/mL. In uninfected rats, following oral administration of Acoziborole at a nominal dose of 25 mg/kg (dose affording a 100% cure rate in mice), Cmax increases approximately 2 fold more than that in mice (Cmax=18.2 µg/mL) and AUC0-24 h, and hence oral clearance, improves approximately 4 fold (AUC0-24 h 291 h•μg/mL and CL/F=0.092 L/kg/h). The time to maximum concentration is similar to that in mice (tmax=8 h). Uninfected male and female cynomolgus monkeys are treated with Acoziborole at 2 mg/kg (IV) on study day 1 and 10 mg/kg (NG) on study day 8. Acoziborole exhibits excellent plasma pharmacokinetics, with CL of 0.022 L/h/kg; Vdss of 0.656 L/kg and area under the concentration-time curve 78.8 h•μg/mL, and 94.4 for AUC0-24 h and AUC0-inf, respectively, following intravenous administration[1].

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

367.10

Formula

C17H14BF4NO3
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

O=C(NC1=CC=C2C(C)(C)OB(O)C2=C1)C3=CC=C(F)C=C3C(F)(F)F
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 : ≥ 125 mg/mL (340.51 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.7241 mL 13.6203 mL 27.2405 mL
5 mM 0.5448 mL 2.7241 mL 5.4481 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.

  • Molarity Calculator

  • Dilution Calculator

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

Mass
=
Concentration
×
Volume
×
Molecular Weight *

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

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: ≥ 8 mg/mL (21.79 mM); Clear solution

    This protocol yields a clear solution of ≥ 8 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (80.0 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% Corn Oil

    Solubility: ≥ 8 mg/mL (21.79 mM); Clear solution

    This protocol yields a clear solution of ≥ 8 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 (80.0 mg/mL) to 900 μL Corn oil, and mix evenly.

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%

SDS (252 KB)

COA (250 KB) HNMR (246 KB) LCMS (267 KB)

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

Compounds (e.g., Acoziborole) to be tested are serially diluted in DMSO and added to 96-well plates to give final concentrations ranging from 5 to 0.01 µg/mL. T. b. brucei parasites in the log phase of growth are diluted in HMI-9 media and added to each well for a final concentration of 1×104 parasites per well. For the sensitivity assays using T. b. rhodesiense and T. b. gambiense, pararasites are cultured in MEM supplemented with Baltz components, diluted in the aforementioned culture media, and added to each well at a density of 1×103 cells/well. The final concentration of DMSO is 0.5% and the total volume is 100 µL/well. After 72 h incubation, Resazurin is added to each well (20 µL of 25 mg/100 mL stock in PBS) and incubated for an additional 4-6 h. To assess cell viability, fluorescence is quantified using an EnVision Multilabel Plate Reader at an excitation wavelength of 530 nm and emission of 590 nm. Triplicate data points are averaged to generate sigmoidal dose-response curves and determine IC50 values using XLfit curve fitting software. The IC50 is defined as the amount of compound required to decrease parasite or cell viability by 50% compared to those grown in the absence of the test compound. The MIC, defined as the lowest concentration of compound that completely inhibits visible parasite growth, is determined by visual inspection of 96-well plates after 48-72 h of incubation with the test compounds. To evaluate the effects of serum on trypanocidal activity, assays are performed in the presence of increasing concentration (2.5% to 50%) of fetal calf serum. The results are expressed as a fold-change in IC50 values relative to standard conditions (10% FCS) [1].

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

Mice, Rats and Monkeys[1]
Male CD-1 mice (~25 g), male Sprague-Dawley rats (~225 g), or male cynomolgus monkeys (~3-5 kg) are administered test article by either bolus intravenous injection (IV) or oral gavage. Male CD-1 mice, Sprague-Dawley rats, cynomolgus monkeys or male beagle dogs are administered a single oral dose of Acoziborole at a dose of 25 mg/kg (mouse, rat) or 10 mg/kg (monkey, dog). Blood samples are collected and analyzed.

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 2.7241 mL 13.6203 mL 27.2405 mL 68.1013 mL
5 mM 0.5448 mL 2.7241 mL 5.4481 mL 13.6203 mL
10 mM 0.2724 mL 1.3620 mL 2.7241 mL 6.8101 mL
15 mM 0.1816 mL 0.9080 mL 1.8160 mL 4.5401 mL
20 mM 0.1362 mL 0.6810 mL 1.3620 mL 3.4051 mL
25 mM 0.1090 mL 0.5448 mL 1.0896 mL 2.7241 mL
30 mM 0.0908 mL 0.4540 mL 0.9080 mL 2.2700 mL
40 mM 0.0681 mL 0.3405 mL 0.6810 mL 1.7025 mL
50 mM 0.0545 mL 0.2724 mL 0.5448 mL 1.3620 mL
60 mM 0.0454 mL 0.2270 mL 0.4540 mL 1.1350 mL
80 mM 0.0341 mL 0.1703 mL 0.3405 mL 0.8513 mL
100 mM 0.0272 mL 0.1362 mL 0.2724 mL 0.6810 mL
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Acoziborole 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:

Acoziborole1266084-51-8SCYX-7158 AN5568SCYX7158SCYX 7158AN5568AN 5568AN-5568ParasiteInhibitorinhibitorinhibit

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