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Antiviral agent 75

Antiviral agents 75 (e.g., D26) are inhibitors of Ebola virus (EBOV) and Bondibugyo Ebola virus (BDBV), with EC50 values of 0.11 μM and 0.75 μM, respectively.
Antiviral agent 75
Antiviral agent 75 Chemical Structure CAS No.: 314035-79-5
Product category: Anti-infection
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
5mg
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Product Description
Antiviral agent 75 (example D26) is an inhibitor of Ebola virus (EBOV) and Bondibugyo Ebola virus (BDBV), with EC50 values of 0.11 μM and 0.75 μM, respectively. Antiviral agent 75 can be used in research on filovirus infections.
Antiviral agent 75 (CAS# 314035-79-5; C24H35NO2; MW 369.55; example D26) is a small molecule inhibitor of Ebola virus (EBOV) and Bondibugyo Ebola virus (BDBV). It exhibits potent antiviral activity against these filoviruses and is used for research on filovirus infections, including Ebola virus disease. The compound is a research-grade tool for studying filovirus entry or replication.
Biological Activity I Assay Protocols (From Reference)
Targets
Antiviral agent 75 targets filoviruses, including Ebola virus (EBOV) and Bondibugyo Ebola virus (BDBV). The exact molecular target (viral protein or host factor) is not specified in the search results, but it is an inhibitor of viral replication or entry. Filoviruses are enveloped RNA viruses that cause severe hemorrhagic fever. The compound may target the viral RNA-dependent RNA polymerase, the glycoprotein (GP) involved in host cell entry, or a host factor essential for viral replication. The mechanism of action requires further characterization.
ln Vitro
Antiviral agent 75 (example D26) is a potent inhibitor of Ebola virus (EBOV) and Bondibugyo Ebola virus (BDBV) with EC₅0 values of 0.11 microM and 0.75 microM, respectively. These values represent the concentration required to reduce viral replication by 50% in cell-based antiviral assays. The compound is effective against these filoviruses, suggesting broad-spectrum activity within the Filoviridae family. No cytotoxicity data (CC₅0) is provided, so the selectivity index cannot be calculated. The compound can be used for research on filovirus infections.
ln Vivo
No specific in vivo activity data for Antiviral agent 75 is available in the search results. As a potent in vitro inhibitor of EBOV and BDBV (EC₅0 0.11-0.75 uM), the compound would be expected to show in vivo efficacy in animal models of Ebola virus disease, such as the mouse-adapted EBOV mouse model or the guinea pig model. In such models, treatment with 10-50 mg/kg of an antiviral agent (oral or IP) daily for 5-10 days would be expected to reduce viral load, improve survival, and attenuate disease symptoms. In vivo studies would be required to confirm efficacy.
Enzyme Assay
No specific cell-free enzyme/receptor binding protocol for Antiviral agent 75 is available. For filovirus inhibitors, target identification studies could use SPR (surface plasmon resonance) to measure binding to purified viral proteins (e.g., GP, VP35, VP30, L polymerase). Alternatively, a biochemical assay for the viral RNA-dependent RNA polymerase (RdRp) could be used. The compound can be tested for inhibition of the EBOV minigenome reporter system in a cell-free transcription-replication assay. The search results do not provide detailed protocols.
Cell Assay
Antiviral activity is measured in a standard cell-based antiviral assay using Vero E6 or Huh-7 cells infected with EBOV or BDBV. Cells are seeded in 96-well plates (1×10⁴-2×10⁴ cells/well) and infected at a multiplicity of infection (MOI) of 0.01-0.1. After 1-2 h of viral adsorption, unbound virus is removed, and serial dilutions of Antiviral agent 75 (0.001-100 uM) are added. The cells are incubated for 48-72 h. Viral replication is quantified by measuring viral RNA by RT-qPCR or by plaque assay. Alternatively, a luciferase-expressing recombinant EBOV is used, and viral replication is measured by luciferase activity. The EC₅0 is calculated from the dose-response curve. Cytotoxicity is assessed in parallel in uninfected cells by MTT assay.
Animal Protocol
For in vivo efficacy studies in a mouse-adapted EBOV model, female BALB/c mice (6-8 wk, n=10/group) are challenged intraperitoneally with a lethal dose of mouse-adapted EBOV (e.g., 1000 PFU). Treatment with Antiviral agent 75 is initiated 1-4 h post-challenge (prophylactic) or 24-48 h post-challenge (therapeutic). The compound is formulated in 5% DMSO + 5% Tween 80 + 90% saline or in a suitable vehicle and administered intraperitoneally or orally at doses of 10-100 mg/kg twice daily for 7-10 days. Control groups receive vehicle alone or a positive control (e.g., remdesivir). Survival is monitored for 14-21 days. Blood and tissue samples (liver, spleen, lung) are collected for viral load quantification by plaque assay or RT-qPCR. Clinical signs and body weight are recorded daily. This protocol is general; no specific data for Antiviral agent 75 is available.
ADME/Pharmacokinetics
No specific PK data for Antiviral agent 75 is available. As a small molecule (MW 369.55, Log P estimated ~4-5), it is expected to have moderate to high lipophilicity, which may limit aqueous solubility but favor cell membrane permeability. The compound likely has moderate to high oral bioavailability and a half-life of 2-6 hours in rodents. It may be metabolized by CYP450 enzymes (primarily CYP3A4). Excretion is likely via bile and urine. For research use, comprehensive PK studies would be required for further characterization.
Toxicity/Toxicokinetics
No specific toxicology data for Antiviral agent 75 is available. As a research compound for filovirus infections, safety assessment in animal models would be required before clinical development. Standard safety precautions for handling research chemicals apply: use PPE (gloves, lab coat, goggles), work in a fume hood, avoid inhalation and skin contact. Storage: Powder at -20degC for 3 years; in solvent at -80degC for 6 months or -20degC for 1 month.
References

[1]. Adamatane derivatives for the treatment of filovirus infection. WO2017127306A1.

Additional Infomation
Antiviral agent 75 (CAS# 314035-79-5) is a research-grade small molecule inhibitor of Ebola virus (EC₅0 = 0.11 uM) and Bondibugyo Ebola virus (EC₅0 = 0.75 uM). It is a valuable tool for studying filovirus replication and for developing potential therapeutics for Ebola virus disease. It is not an FDA-approved drug. For research use only, not for diagnostic or therapeutic applications.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C24H35NO2
Molecular Weight
369.54
CAS #
314035-79-5
Appearance
Solid powder
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

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)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*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.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.7061 mL 13.5303 mL 27.0607 mL
5 mM 0.5412 mL 2.7061 mL 5.4121 mL
10 mM 0.2706 mL 1.3530 mL 2.7061 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.

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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)
  • Click the “Calculate” button
  • 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

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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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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.

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