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Neoseptin-3

Cat No.:V18931 Purity: ≥98%
Neoseptin-3 is a novel and potent agonist of mouse TLR4 (mTLR4)Toll-like receptor 4/myeloid differentiation factor 2 (mTLR4/MD-2) with an EC50 of 18.5 μM.
Neoseptin-3
Neoseptin-3 Chemical Structure CAS No.: 1622863-21-1
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
5mg
10mg
50mg
Other Sizes
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Product Description

Neoseptin-3 is a novel and potent agonist of mouse TLR4 (mTLR4) Toll-like receptor 4/myeloid differentiation factor 2 (mTLR4/MD-2) with an EC50 of 18.5 μM.

Biological Activity I Assay Protocols (From Reference)
ln Vitro
Neoseptin 3 possesses an EC50 of 18.5 μM, making it an agonist of Toll-like receptor 4/myeloid differentiation factor 2 (mTLR4/MD-2). Macrophages produce TNFα in response to neoseptin-3, and this response is concentration-dependent. In accordance with the activation of MAPK and classical NF-κB signaling, neoseptin-3 causes the phosphorylation of IκB kinases α (IKKα), IKKβ, p38, c-Jun N-terminal kinase (JNK), and ERK, as well as the degradation of IκBα. Neoseptin-3 also causes an increase in the phosphorylation of IRF3 and TANK-binding kinase 1 (TBK1)[1].
Enzyme Assay
HEK293T cells are transfected with an NF-κB-dependent luciferase reporter plasmid and clones with stable expression are selected by culture in DMEM containing puromycin. Cells are cotransfected with constructs for mouse or human TLR4 plus mouse or human MD-2, and 2 d later are stimulated with 50 μM Neoseptin-3 or 1 μg/mL LPS for 6 h. Cells are lysed, and luciferase activity is measured[1].
Cell Assay
Cells are seeded onto 96-well plates at 1×105 cells per well and stimulated with Neoseptin-3 [dissolved in DMSO; final DMSO concentrations (≤0.2%) are kept constant in all experiments] for 4 h. Mouse TNFα, IL-6, or IFN-β, or human TNFα in the supernatants are measured by ELISA kits according to the manufacturer’s instructions. Unless otherwise indicated, mouse cells are from wild-type C57BL/6J mice[1].
References

[1]. TLR4/MD-2 activation by a synthetic agonist with no similarity to LPS. Proc Natl Acad Sci U S A. 2016 Feb 16;113(7):E884-93.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C29H34N2O4
Molecular Weight
474.591268062592
Exact Mass
474.251
CAS #
1622863-21-1
PubChem CID
77461013
Appearance
White to off-white solid powder
LogP
5.6
Hydrogen Bond Donor Count
3
Hydrogen Bond Acceptor Count
5
Rotatable Bond Count
11
Heavy Atom Count
35
Complexity
662
Defined Atom Stereocenter Count
1
SMILES
C(C1C=CC(N)=C(CCC2C=CC(O)=CC=2)C=1)(=O)N[C@H](C(=O)OC(C)(C)C)CCC1C=CC=CC=1
InChi Key
OACODUCFPHHCIH-SANMLTNESA-N
InChi Code
InChI=1S/C29H34N2O4/c1-29(2,3)35-28(34)26(18-12-20-7-5-4-6-8-20)31-27(33)23-14-17-25(30)22(19-23)13-9-21-10-15-24(32)16-11-21/h4-8,10-11,14-17,19,26,32H,9,12-13,18,30H2,1-3H3,(H,31,33)/t26-/m0/s1
Chemical Name
tert-butyl (2S)-2-[[4-amino-3-[2-(4-hydroxyphenyl)ethyl]benzoyl]amino]-4-phenylbutanoate
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)
DMSO : ≥ 100 mg/mL (~210.71 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (5.27 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 25.0 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: ≥ 2.5 mg/mL (5.27 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 25.0 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: ≥ 2.5 mg/mL (5.27 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 25.0 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 2.1071 mL 10.5354 mL 21.0708 mL
5 mM 0.4214 mL 2.1071 mL 4.2142 mL
10 mM 0.2107 mL 1.0535 mL 2.1071 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?
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  • Enter 5 in the Volume box and choose the correct unit (mL)
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  • 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

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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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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