OBAA

Name: OBAA
Brand: TargetMol
SKU: T23102
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Catalog No. T23102Cas No. 221632-26-4

OBAA is a potent inhibitor of phospholipase A2 (PLA2) with an IC 50 of 70 nM. OBAA blocks Melittin-induced Ca 2+ influx in Trypanosoma brucei with an IC 50 of 0.4 μM [1] [2] [3].

OBAA

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Catalog No. T23102Cas No. 221632-26-4

OBAA is a potent inhibitor of phospholipase A2 (PLA2) with an IC 50 of 70 nM. OBAA blocks Melittin-induced Ca 2+ influx in Trypanosoma brucei with an IC 50 of 0.4 μM [1] [2] [3].

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Product Introduction

Bioactivity

Description	OBAA is a potent inhibitor of phospholipase A2 (PLA2) with an IC 50 of 70 nM. OBAA blocks Melittin-induced Ca 2+ influx in Trypanosoma brucei with an IC 50 of 0.4 μM [1] [2] [3].
Targets&IC50	PLA2:70 nM
In vitro	OBAA (5.7 μM) induces apoptotic cell death of human umbilical vein endothelial cells (HUVEC). Nearly all of the cells had disintegrated into apoptotic bodies after 16h of treatment [1].
In vivo	The immunologically induced bronchospasm in guinea pigs is markedly and dose-dependently inhibited by OBAA (2.5-7 mg/kg i.v.) [3].

Chemical Properties

Molecular Weight	428.65
Formula	C₂₈H₄₄O₃
Cas No.	221632-26-4
Smiles	C(CCCCCCCCCCCCCCCCC)C1=CC=C(C(/C=C/C(O)=O)=O)C=C1
Relative Density.	0.976 g/cm3 (Predicted)

Storage & Solubility Information

Storage	In solvent: -80°C for 1 year \| Shipping with blue ice/Shipping at ambient temperature.
Solubility Information	DMSO: <1 mg/mL

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In Vivo Formulation Calculator (Clear solution)

Please enter your animal experiment information in the following box and click Calculate to obtain the stock solution preparation method and in vivo formula preparation method:

For example, if the intended dosage is 10 mg/kg for animals weighing 20 g , with a dosing volume of 100 μL per animal, TargetMol | Animal experiments

and a total of 10 animals are to be administered, using a formulation of TargetMol | reagent

10% DMSO+ 40% PEG300+ 5% Tween 80+ 45% Saline/PBS/ddH₂O , the resulting working solution concentration would be 2 mg/mL.

Stock Solution Preparation:

Dissolve 2 mg of the compound in 100 μL DMSO TargetMol | reagent to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.

Preparation of the In Vivo Formulation:

1) Add 100 μL of the DMSO TargetMol | reagent stock solution to 400 μL PEG300 and mix thoroughly until the solution becomes clear.

2) Add 50 μL Tween 80 and mix well until fully clarified.

3) Add 450 μL Saline,PBS or ddH₂O TargetMol | reagent and mix thoroughly until a homogeneous solution is obtained.

This example is provided solely to demonstrate the use of the In Vivo Formulation Calculator and does not constitute a recommended formulation for any specific compound. Please select an appropriate dissolution and formulation strategy based on your experimental model and route of administration.

All co-solvents required for this protocol, includingDMSO, PEG300/PEG400, Tween 80, SBE-β-CD, and Corn oil, are available for purchase on the TargetMol website.

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You can also refer to dose conversion for different animals. More Dose Conversion

Tech Support

Please see Inhibitor Handling Instructions for more frequently ask questions. Topics include: how to prepare stock solutions, how to store products, and cautions on cell-based assays & animal experiments, etc