2. Metabolic Enzyme/Protease
  3. Phospholipase
  4. Varespladib methyl

Varespladib methyl  (Synonyms: A-002; LY333013)

Cat. No.: HY-17448 Purity: 99.90%
COA Handling Instructions

Molarity Calculator

Varespladib methyl (A-002; LY333013) is a selective inhibitor of group II secretory phospholipase A2 (PLA2).

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

Varespladib methyl Chemical Structure

Varespladib methyl Chemical Structure

CAS No. : 172733-08-3

Size Price Stock Quantity
5 mg USD 360 In-stock
10 mg USD 580 In-stock
25 mg USD 1150 In-stock
50 mg USD 1780 In-stock
100 mg USD 2850 In-stock
200 mg   Get quote  
500 mg   Get quote  

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Based on 1 publication(s) in Google Scholar

Other Forms of Varespladib methyl:

Varespladib methyl Related Antibodies

Top Publications Citing Use of Products

1 Publications Citing Use of MCE Varespladib methyl

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  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

Varespladib methyl (A-002; LY333013) is a selective inhibitor of group II secretory phospholipase A2 (PLA2).

IC50 & Target

phospholipase A2 (PLA2)[1]
In Vitro

Varespladib methyl (LY333013) is an orally-administered methyl ester pro-drug that is metabolized to LY315920[1]. Varespladib and its orally bioavailable prodrug, Varespladib methyl (methyl-Varespladib) shows high-level secretory PLA2 (sPLA2) inhibition at nanomolar and picomolar concentrations against 28 medically important snake venoms from six continents[2].

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

Varespladib methyl Related Antibodies
Clinical Trial
Molecular Weight

394.42

Formula

C22H22N2O5
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

O=C(OC)COC1=CC=CC2=C1C(C(C(N)=O)=O)=C(CC)N2CC3=CC=CC=C3
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

-20°C, stored under nitrogen

*In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen)

Solvent & Solubility
In Vitro: 

DMSO : 100 mg/mL (253.54 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.5354 mL 12.6768 mL 25.3537 mL
5 mM 0.5071 mL 2.5354 mL 5.0707 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, 6 months; -20°C, 1 month (stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

  • Molarity Calculator

  • Dilution Calculator

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

Mass
=
Concentration
×
Volume
×
Molecular Weight *

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
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: ≥ 5 mg/mL (12.68 mM); Clear solution

    This protocol yields a clear solution of ≥ 5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (50.0 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 (6.34 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).

*In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen)

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: 99.90%

COA (256 KB) LCMS (265 KB)

Handling Instructions (2659 KB)
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, 6 months; -20°C, 1 month (stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.5354 mL 12.6768 mL 25.3537 mL 63.3842 mL
5 mM 0.5071 mL 2.5354 mL 5.0707 mL 12.6768 mL
10 mM 0.2535 mL 1.2677 mL 2.5354 mL 6.3384 mL
15 mM 0.1690 mL 0.8451 mL 1.6902 mL 4.2256 mL
20 mM 0.1268 mL 0.6338 mL 1.2677 mL 3.1692 mL
25 mM 0.1014 mL 0.5071 mL 1.0141 mL 2.5354 mL
30 mM 0.0845 mL 0.4226 mL 0.8451 mL 2.1128 mL
40 mM 0.0634 mL 0.3169 mL 0.6338 mL 1.5846 mL
50 mM 0.0507 mL 0.2535 mL 0.5071 mL 1.2677 mL
60 mM 0.0423 mL 0.2113 mL 0.4226 mL 1.0564 mL
80 mM 0.0317 mL 0.1585 mL 0.3169 mL 0.7923 mL
100 mM 0.0254 mL 0.1268 mL 0.2535 mL 0.6338 mL
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Varespladib methyl Related Classifications

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.

Keywords:

Varespladib methyl172733-08-3A-002 LY333013A002A 002LY333013LY 333013LY-333013PhospholipaseInhibitorinhibitorinhibit

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