Cat. No.: HY-107825

Flavonol

2 Cited Publications

Customer Review

Based on 2 publication(s) in Google Scholar

Flavonol is a cholinesterase (ChE) inhibitor, with an IC₅₀ value of 120 μM and a K_i value of 74 μM. Flavonol has antioxidant, free radical-scavenging, antibacterial properties, and immune modulation functions. Flavonol inhibits the PriA helicase of Staphylococcus aureus. Flavonol can suppress the production of NO in LPS-activated RAW 264.7 cells by inhibiting the expression of the iNOS enzyme. Flavonol shows protective and analgesic effects in mice through various neuronal pathways. Flavonol can be used in research related to tumors and atherosclerosis diseases.

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

Purity: 99.86%
CAS No.: 577-85-5
Formula: C₁₅H₁₀O₃
Molecular Weight:238.24

Storage:

4°C, protect from light

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

Flavonol Chemical Structure

CAS No.: 577-85-5

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Use of MCE Products

Fluorescent Dye

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

Biological Activity
- Description
- IC₅₀ & Target
- Cellular Effect
- In Vitro
- In Vivo
Chemical Information
Publications (2)
Solvent & Solubility
- In Vitro
- In Vivo
Purity & Documentation
References
Help & FAQs
Classifications
Bioz

Biological Activity

Description

IC₅₀ & Target

IC₅₀: 120 μM (ChE)^[2].

All Endogenous Metabolite Isoforms :

All Cholinesterase (ChE) Isoforms :

AChE
BChE

Cellular Effect

Cell Line	Type	Value	Description	References
Caco-2	IC₅₀	42.1 μM Compound: 25	Cytotoxicity in human Caco2 cells after 72 hrs by MTT assay Cytotoxicity in human Caco2 cells after 72 hrs by MTT assay	[PMID: 28793973]
CWR22R	IC₅₀	14.9 μM Compound: Flavonol	Antiproliferative activity against human 22Rv1 cells incubated up to 144 hrs by Coulter particle count and size analyzer Antiproliferative activity against human 22Rv1 cells incubated up to 144 hrs by Coulter particle count and size analyzer	[PMID: 22789812]
H9	EC₅₀	13 μM Compound: 13	Antiviral activity against HIV1 3B infected in human H9 cells assessed as inhibition of viral replication after 3 days by p24 antigen capture assay Antiviral activity against HIV1 3B infected in human H9 cells assessed as inhibition of viral replication after 3 days by p24 antigen capture assay	[PMID: 8158164]
H9	IC₅₀	17 μM Compound: 13	Cytotoxicity against human H9 cells after 3 days Cytotoxicity against human H9 cells after 3 days	[PMID: 8158164]
KB	ED₅₀	0.2 μg/mL Compound: NSC-57653	Cytotoxicity against human KB cells Cytotoxicity against human KB cells	[PMID: 469554]

In Vitro

Flavonol (10-100 μM, 20 h) can inhibit LPS activated RAW 264.7 cells from producing NO by suppressing iNOS enzyme expression, thereby contributing to its anti-inflammatory and immunomodulatory activities^[3].

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

Western Blot Analysis^[3].

Cell Line:

RAW 264.7 cell
Concentration:

10-100 μM
Incubation Time:

20 h
Result:

Inhibited the protein expression level of iNOS enzyme.

In Vivo

Flavonol (25-200 mg/kg; 30 min before the testing procedure; s.c.) has anti-injury and analgesic effects in mice through neuronal pathways such as the dopaminergic system and GABAergic pathway^[4].
Flavonol can reduce the atherosclerotic lesion area in apolipoprotein E deficient mice^[5].

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

Animal Model:

Inbred male Swiss albino mouse model induced by acetic acid induced abdominal contractions, formalin induced pain sensation, and hot tail soaking test^[4].
Dosage:

25, 50, 100, 200 mg/kg
Administration:

Subcutaneous injection (s.c.); 30 min before the testing procedure
Result:

Resulted in a significant reduction in the number of abdominal constrictions in the acetic acid test, a significant inhibition of the paw-licking/biting response time in both the phases of formalin nociception and also a significant increase in mean reaction time in the hot water tail immersion test.

Chemical Information

CAS No. 577-85-5
Appearance Solid
Molecular Weight 238.24
Formula C₁₅H₁₀O₃
Color White to light brown
SMILES

O=C1C(O)=C(C2=CC=CC=C2)OC3=CC=CC=C13
Structure Classification
- Flavonoids
- Flavonols
Initial Source
- Endogenous metabolite
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

4°C, protect from light

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

Publications (2)

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Journal Impact Factor

Food Chem

Effects of sun drying combined with baking processes on the flavor quality of Chongqing Tuocha raw tea. [Abstract]

2025 Dec 30:497:146992. PMID: 41285060
Food Chem

Flavonoid-mediated metabolic underpinning quality variation in red bud-sport pear mutants. [Abstract]

2025 May 31:489:144992. PMID: 40466530

Solvent & Solubility

In Vitro:

DMSO : 33.33 mg/mL (139.90 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

4.1974 mL

20.9872 mL

41.9745 mL

5 mM

0.8395 mL

4.1974 mL

8.3949 mL

10 mM

0.4197 mL

2.0987 mL

4.1974 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.

Molarity Calculator

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

Mass Mass

Concentration Concentration

Volume Volume

Molecular Weight Molecular Weight

Dilution Calculator

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 40% PEG300 5% Tween-80 45% Saline

Solubility: 2.5 mg/mL (10.49 mM); Suspended solution; Need ultrasonic

This protocol yields a suspended solution of 2.5 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.

Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 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.

Protocol 2

Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)

Solubility: 2.5 mg/mL (10.49 mM); Suspended solution; Need ultrasonic

This protocol yields a suspended solution of 2.5 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.

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.

Protocol 3

Add each solvent one by one: 10% DMSO 90% Corn Oil

Solubility: ≥ 2.5 mg/mL (10.49 mM); Clear solution

This protocol yields a clear solution of ≥ 2.5 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 (25.0 mg/mL) to 900 μL Corn oil, 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

Purity & Documentation

Select Batch:

Purity: 99.98%

Assay: 99.98%

ee.: 99.98%

Data Sheet (282 KB)
SDS (394 KB)
- English - EN (394 KB)
- Français - FR (394 KB)
- Deutsch - DE (394 KB)
- Norwegian - NO (394 KB)
- Español - ES (394 KB)
- Swedish - SV (394 KB)
- Italian - IT (394 KB)
- Korean - KR (394 KB)
- Portuguese - PT (394 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)
Handling Instructions (2659 KB)

References

[1]. Huang YH, et al. Inhibition of Staphylococcus aureus PriA Helicase by Flavonol Kaempferol. Protein J. 2015 Jun;34(3):169-72. [Content Brief]

[2]. Guo AJ, et al. Galangin, a flavonol derived from Rhizoma Alpiniae Officinarum, inhibits acetylcholinesterase activity in vitro. Chem Biol Interact. 2010 Sep 6;187(1-3):246-8. [Content Brief]

[3]. Kim HK, et al. Effects of naturally occurring flavonoids on nitric oxide production in the macrophage cell line RAW 264.7 and their structure-activity relationships. Biochem Pharmacol. 1999 Sep 1;58(5):759-65. [Content Brief]

[4]. Sayeli V, et al. Antinociceptive effect of flavonol and a few structurally related dimethoxy flavonols in mice. Inflammopharmacology. 2019 Dec;27(6):1155-1167. [Content Brief]

[5]. Phie J, et al. Flavonols reduce aortic atherosclerosis lesion area in apolipoprotein E deficient mice: A systematic review and meta-analysis. PLoS One. 2017 Jul 25;12(7):e0181832. [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	4.1974 mL	20.9872 mL	41.9745 mL	104.9362 mL
	5 mM	0.8395 mL	4.1974 mL	8.3949 mL	20.9872 mL
	10 mM	0.4197 mL	2.0987 mL	4.1974 mL	10.4936 mL
	15 mM	0.2798 mL	1.3991 mL	2.7983 mL	6.9957 mL
	20 mM	0.2099 mL	1.0494 mL	2.0987 mL	5.2468 mL
	25 mM	0.1679 mL	0.8395 mL	1.6790 mL	4.1974 mL
	30 mM	0.1399 mL	0.6996 mL	1.3991 mL	3.4979 mL
	40 mM	0.1049 mL	0.5247 mL	1.0494 mL	2.6234 mL
	50 mM	0.0839 mL	0.4197 mL	0.8395 mL	2.0987 mL
	60 mM	0.0700 mL	0.3498 mL	0.6996 mL	1.7489 mL
	80 mM	0.0525 mL	0.2623 mL	0.5247 mL	1.3117 mL
	100 mM	0.0420 mL	0.2099 mL	0.4197 mL	1.0494 mL

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Flavonol

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Publications Citing Use of MedChemExpress (MCE) Flavonol

All Endogenous Metabolite Isoforms

All Cholinesterase (ChE) Isoforms

Biological Activity

Chemical Information

Publications (2)

Solvent & Solubility

Purity & Documentation

References

Help & FAQs

Complete Stock Solution Preparation Table

Flavonol Related Classifications

HY-107825 Related Classifications