CBS1117

Alias: CHEMBL4438419; SCHEMBL24665417; DTXSID101198257; CBS-1117; STK492633;
Cat No.:V38741 Purity: ≥98%
CBS1117 is a virus entry inhibitor with an IC50 of 70 nM for influenza A viruses, A/Puerto Rico/8/34 (H1N1).
CBS1117 Chemical Structure CAS No.: 959245-08-0
Product category: Influenza Virus
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
CBS1117 is a virus entry inhibitor with an IC50 of 70 nM for influenza A viruses, A/Puerto Rico/8/34 (H1N1). CBS1117 interferes with the hemagglutinin (HA)-mediated fusion process.
Biological Activity I Assay Protocols (From Reference)
Targets
H1N1(IC50= 70 nM)
ln Vitro
CBS1117 exhibits an excellent antiviral selectivity index value (SI value of 3914) in the human lung epithelial cell line (A549), owing to its higher CC50 value of 274 μM and lower IC50 value of 70 nM[1].
References

[1]. Identification of entry inhibitors with 4-aminopiperidine scaffold targeting group 1 influenza A virus. Antiviral Res. 2020 May;177:104782.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C15H20CL2N2O
Molecular Weight
315.238101959229
CAS #
959245-08-0
SMILES
ClC1C=CC=C(C=1C(NC1CCN(C(C)C)CC1)=O)Cl
InChi Key
OUZZSIOQTSNTTI-UHFFFAOYSA-N
InChi Code
InChI=1S/C15H20Cl2N2O/c1-10(2)19-8-6-11(7-9-19)18-15(20)14-12(16)4-3-5-13(14)17/h3-5,10-11H,6-9H2,1-2H3,(H,18,20)
Chemical Name
2,6-dichloro-N-(1-propan-2-ylpiperidin-4-yl)benzamide
Synonyms
CHEMBL4438419; SCHEMBL24665417; DTXSID101198257; CBS-1117; STK492633;
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)
DMSO : ~250 mg/mL (~793.05 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (6.60 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 20.8 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: ≥ 2.08 mg/mL (6.60 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 20.8 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.

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Solubility in Formulation 3: ≥ 2.08 mg/mL (6.60 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (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 20.8 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 3.1722 mL 15.8609 mL 31.7219 mL
5 mM 0.6344 mL 3.1722 mL 6.3444 mL
10 mM 0.3172 mL 1.5861 mL 3.1722 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)
  • 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
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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.

Biological Data
  • The specificity and inhibitory effect of the seven compounds on pseudo and infectious virus.[1].Antiviral Res. 2020 May;177:104782.
  • CBS1116 is group 1 IAV specific inhibitor.[1].Antiviral Res. 2020 May;177:104782.
  • Time of addition experiment.[1].Antiviral Res. 2020 May;177:104782.
  • Effects of CBS1116 on HA binding to cell surface and HA-mediated fusion process.[1].Antiviral Res. 2020 May;177:104782.
  • Structure activity relationship (SAR) developed for CBS1116. [1].Antiviral Res. 2020 May;177:104782.
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