1. Apoptosis Metabolic Enzyme/Protease NF-κB
  2. Apoptosis Endogenous Metabolite NF-κB
  3. Ursonic acid

Ursonic acid  (Synonyms: 3-Ketoursolic acid)

Cat. No.: HY-N1486 Purity: 98.15%
COA Handling Instructions

Ursolic acid is a naturally occurring triterpenoid that has orally active. Ursolic acid induces the apoptosis of human cancer cells through multiple signaling pathways. Ursolic acid has anti-inflammatory and anticarcinogenic activity.

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

Ursonic acid Chemical Structure

Ursonic acid Chemical Structure

CAS No. : 6246-46-4

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10 mM * 1 mL in DMSO
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10 mg USD 60 In-stock
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Based on 1 publication(s) in Google Scholar

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  • Biological Activity

  • Purity & Documentation

  • References

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Description

Ursolic acid is a naturally occurring triterpenoid that has orally active. Ursolic acid induces the apoptosis of human cancer cells through multiple signaling pathways. Ursolic acid has anti-inflammatory and anticarcinogenic activity[1][2].

In Vitro

Ursolic acid (12.5-50 μM, 48 h) induce apoptosis in T24 human bladder cancer cells in a dose-dependent manner by inhibiting AKT/NF-κB signaling[1].
Ursolic acid (50 μM, 2-4 h) increases the expression of p53 and caspase-3 and decreases bcl-2 gene expression in B16F-10 melanoma cells[2].
Ursolic acid (10-50 μM, 48 h) inhibits the production of TNF-α, IL-1β, IL-6 and GM-CSF in B16F-10 melanoma cells[2].
Ursolic acid (50 μM, 2 h) inhibits the NF-κB subunits (p65, p50 and c-Rel) and nuclear translocation of c-fos, ATF-2 and CREB-1 in B16F-10 melanoma cells[2].

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

Cell Proliferation Assay[1]

Cell Line: T24 human bladder cancer cells
Concentration: 12.5-50 μM
Incubation Time: 48 h
Result: Inhibited cell proliferation in a dose-dependent manner.

Western Blot Analysis[1]

Cell Line: T24 human bladder cancer cells
Concentration: 12.5-50 μM
Incubation Time: 48 h
Result: Inhibited the anti-apoptotic signaling (pAkt1, pIκBα, NF-κBp65 and Bcl-2).
Activated pro-apoptotic signaling (caspase-3).
In Vivo

Ursolic acid (5-20 mg/kg, p.o., twice a day, 30 days) protects against ethanol-mediated experimental liver injury in adult male albino rats[3].

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

Animal Model: Adult male albino rats[3]
Dosage: 5-20 mg/kg
Administration: p.o., twice a day, 30 days
Result: Increased weight gain and food intake.
Decreased AST and ALT activities and total and indirect bilirubin levels.
Increased direct bilirubin and levels of non-enzymic antioxidants (GSH, ascorbic acid and a-tocopherol).
Decreased lipid peroxidation.
Molecular Weight

454.68

Formula

C30H46O3

CAS No.
Appearance

Solid

Color

White to off-white

SMILES

CC1(C)C(CC[C@]2(C)[C@@]3([H])CC=C4[C@]5([H])[C@@H](C)[C@H](C)CC[C@@](C(O)=O)5CC[C@](C)4[C@@](C)3CC[C@@]12[H])=O

Structure Classification
Initial Source
Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
Solvent & Solubility
In Vitro: 

DMSO : 50 mg/mL (109.97 mM; ultrasonic and warming and heat to 80°C; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

H2O : < 0.1 mg/mL (insoluble)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.1993 mL 10.9967 mL 21.9935 mL
5 mM 0.4399 mL 2.1993 mL 4.3987 mL
View the Complete Stock Solution Preparation Table

* 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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

  • Molarity Calculator

  • Dilution Calculator

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

Mass
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Concentration
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Volume
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Molecular Weight *

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

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Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

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

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 (5.50 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 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.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

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

    Solubility: ≥ 2.5 mg/mL (5.50 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

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation

Purity: 98.15%

References

Complete Stock Solution Preparation Table

* 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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.1993 mL 10.9967 mL 21.9935 mL 54.9837 mL
5 mM 0.4399 mL 2.1993 mL 4.3987 mL 10.9967 mL
10 mM 0.2199 mL 1.0997 mL 2.1993 mL 5.4984 mL
15 mM 0.1466 mL 0.7331 mL 1.4662 mL 3.6656 mL
20 mM 0.1100 mL 0.5498 mL 1.0997 mL 2.7492 mL
25 mM 0.0880 mL 0.4399 mL 0.8797 mL 2.1993 mL
30 mM 0.0733 mL 0.3666 mL 0.7331 mL 1.8328 mL
40 mM 0.0550 mL 0.2749 mL 0.5498 mL 1.3746 mL
50 mM 0.0440 mL 0.2199 mL 0.4399 mL 1.0997 mL
60 mM 0.0367 mL 0.1833 mL 0.3666 mL 0.9164 mL
80 mM 0.0275 mL 0.1375 mL 0.2749 mL 0.6873 mL
100 mM 0.0220 mL 0.1100 mL 0.2199 mL 0.5498 mL
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Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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Ursonic acid
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