QS-21-Api

Name: QS-21-Api
Brand: TargetMol
SKU: T38838
Price: 479 USD
Availability: InStock
Rating: 5 (10 reviews)

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QS-21-Api is an immunostimulatory saponin and a major active component of the natural vaccine adjuvant QS-21, capable of modulating the functions of antigen-presenting cells (APCs) and T cells, thereby inducing both Th2-mediated humoral immunity and Th1-mediated cellular immune responses. In addition, QS-21-Api can activate the NLRP3 inflammasome, promoting the release of caspase-1–dependent cytokines such as IL-1β and IL-18, thereby enhancing Th1 immune responses.

Cas No. 141256-04-4

Pack Size	Price	USA Stock	Global Stock	Quantity
1 mg	$479	-	In Stock

For In stock only · Estimated delivery: USA Stock (1-2 days) Global Stock (5-7 days)

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For research use only—not for human use. No sales to individuals. Use as intended only.

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Appearance:Solid

Color:White

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Product Introduction

Bioactivity

Description

Chemical Properties

Molecular Weight	1990.15
Formula	C₉₂H₁₄₈O₄₆
Cas No.	141256-04-4
Smiles	[H][C@@](C[C@H](O)CC(=O)O[C@@]([H])(C[C@H](O)CC(=O)O[C@H]1[C@@H](C)O[C@@H](OC(=O)[C@]23CCC(C)(C)C[C@@]2([H])C2=CC[C@]4([H])[C@@]5(C)CC[C@H](O[C@]6([H])O[C@@H]([C@@H](O)[C@H](O[C@]7([H])OC[C@@H](O)[C@H](O)[C@H]7O)[C@H]6O[C@]6([H])O[C@H](CO)[C@H](O)[C@H](O)[C@H]6O)C(O)=O)[C@@](C)(C=O)[C@]5([H])CC[C@@]4(C)[C@]2(C)C[C@H]3O)[C@H](O[C@]2([H])O[C@@H](C)[C@H](O[C@]3([H])OC[C@@H](O)[C@H](O[C@]4([H])OC[C@](O)(CO)[C@H]4O)[C@H]3O)[C@@H](O)[C@H]2O)[C@H]1O)[C@@H](C)CC)(O[C@@H]1O[C@@H](CO)[C@H](O)[C@H]1O)[C@@H](C)CC

Storage & Solubility Information

Storage

Powder: -20°C for 3 years | In solvent: -80°C for 1 year Shipping with blue ice/Shipping at ambient temperature.

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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.