Cat. No.: HY-N6673

Okanin

2 Cited Publications

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Based on 2 publication(s) in Google Scholar

Okanin, effective constituent of the flower tea Coreopsis tinctoria, attenuates LPS-induced microglial activation through inhibition of the TLR4/NF-κB signaling pathways.

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Pureté: 99.98%
CAS No.: 484-76-4
Formule: C₁₅H₁₂O₆
Masse moléculaire:288.25

Stockage:

4°C, protect from light

* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

Okanin Chemical Structure

CAS No.: 484-76-4

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Fluorescent Dye

Strong Fluorescence Signal / Multi-Disciplinary Applications / High Fluorescence Specificity

Activité biologique
- Description
- IC₅₀ & Target
- Cellular Effect
- In Vitro
Chemical Information
Publications (2)
Solvant et solubilité
- In Vitro
- In Vivo
Pureté et documentation
Références
Help & FAQs
Classifications
Bioz

Activité biologique

Description

Okanin, effective constituent of the flower tea Coreopsis tinctoria, attenuates LPS-induced microglial activation through inhibition of the TLR4/NF-κB signaling pathways^[1].

IC₅₀ & Target^[1]

TLR4

p65

Voir tous les produits spécifiques à Isoform Toll-like Receptor (TLR) :

Voir tous les produits spécifiques à Isoform NF-κB :

Cellular Effect

Cell Line	Type	Value	Description	References
HEK293	IC₅₀	6 μM Compound: 5a	Inhibition of human telomerase from HEK293 cell extracts by Flash-Plate assay Inhibition of human telomerase from HEK293 cell extracts by Flash-Plate assay	[PMID: 15588081]

In Vitro

Okanin significantly inhibits LPS-induced TLR4 expression in BV-2 cells. Okanin inhibits the translocation of the NF-κB p65 subunit from the cytosol to the nucleus. Okanin significantly suppresses LPS-induced iNOS expression and also inhibites IL-6 and TNF-α production and mRNA expression in LPS-stimulated BV-2 cells^[1].

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

Chemical Information

CAS No. 484-76-4
Appearance Solid
Masse moléculaire 288.25
Formule C₁₅H₁₂O₆
Color Yellow to brown
SMILES

O=C(C1=CC=C(O)C(O)=C1O)/C=C/C2=CC=C(O)C(O)=C2
Structure Classification
- Flavonoids
- Chalcones
- Phenols
- Polyphenols
Initial Source
- Plants
- Compositae
Livraison

Room temperature in continental US; may vary elsewhere.
Stockage

4°C, protect from light

* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

Publications (2)

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University of Edinburgh

2025 May 29.
Dis Markers

LTB4 Promotes Acute Lung Injury via Upregulating the PLC ε-1/TLR4/NF- κ B Pathway in One-Lung Ventilation. [Abstract]

2022 Jan 11:2022:1839341. PMID: 35059042

Solvant et solubilité

In Vitro:

DMSO : 16.67 mg/mL (57.83 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

View the Complete Stock Solution Preparation Table

Preparing Stock Solutions

View the Complete Stock Solution Preparation Table

Concentration Solvent Mass

1 mg

5 mg

10 mg

Concentration

Solvent

Mass

1 mM

3.4692 mL

17.3461 mL

34.6921 mL

5 mM

0.6938 mL

3.4692 mL

6.9384 mL

10 mM

0.3469 mL

1.7346 mL

3.4692 mL

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, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Calculateur de molarité

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

Mass Mass

Concentration Concentration

Volume Volume

Molecular Weight Molecular Weight

Calculateur de dilution

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

Concentration _(start) Concentration _(start)

Volume _(start) Volume _(start)

Concentration _(final) Concentration _(final)

Volume _(final) Volume _(final)

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

Stock Solution Working Solution

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 90% (20% SBE-β-CD in Saline)

Solubility: ≥ 2.5 mg/mL (8.67 mM); Clear solution

This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

In Vivo Dissolution Calculator

Please enter the basic information of animal experiments:

Dosage Dosage
mg/kg
Animal Weight (Per Animal) Animal Weight (Per Animal)
g
Dosing Volume (Per Animal) Dosing Volume (Per Animal)
μL
Number of Animals Number of Animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.

Please enter your animal formula composition:

%
DMSO +

Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
%
+
+
%
Tween-80 + +
%
Saline +

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).

Working solution concentration: 0.22 mg/mL

Pureté et documentation

Select Batch:

Pureté: 99.98%

Assay: 99.98%

ee.: 99.98%

Fiche technique (273 KB)
SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Instruction de manipulation (2659 KB)

Références

[1]. Hou Y, et al. Okanin, effective constituent of the flower tea Coreopsis tinctoria, attenuates LPS-induced microglial activation through inhibition of the TLR4/NF-κB signaling pathways. Sci Rep. 2017 Apr 3;7:45705. [Content Brief]

Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

Complete Stock Solution Preparation Table

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg
DMSO	1 mM	3.4692 mL	17.3461 mL	34.6921 mL	86.7303 mL
	5 mM	0.6938 mL	3.4692 mL	6.9384 mL	17.3461 mL
	10 mM	0.3469 mL	1.7346 mL	3.4692 mL	8.6730 mL
	15 mM	0.2313 mL	1.1564 mL	2.3128 mL	5.7820 mL
	20 mM	0.1735 mL	0.8673 mL	1.7346 mL	4.3365 mL
	25 mM	0.1388 mL	0.6938 mL	1.3877 mL	3.4692 mL
	30 mM	0.1156 mL	0.5782 mL	1.1564 mL	2.8910 mL
	40 mM	0.0867 mL	0.4337 mL	0.8673 mL	2.1683 mL
	50 mM	0.0694 mL	0.3469 mL	0.6938 mL	1.7346 mL

Keywords

Okanin

2 Cited Publications

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Okanin

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Publications Citing Use of MedChemExpress (MCE) Okanin

Voir tous les produits spécifiques à Isoform Toll-like Receptor (TLR)

Voir tous les produits spécifiques à Isoform NF-κB

Activité biologique

Chemical Information

Publications (2)

Solvant et solubilité

Pureté et documentation

Références

Help & FAQs

Complete Stock Solution Preparation Table

Okanin Related Classifications

HY-N6673 Related Classifications