AS2863619 free base

Name: AS2863619 free base
Brand: MedChemExpress
SKU: HY-126675
Rating: 5.0 (2 reviews)

Cat. No.: HY-126675 Purity: 99.68%: FAQs
Data Sheet SDS COA Handling Instructions

Molarity Calculator

AS2863619 free base enables conversion of antigen-specific effector/memory T cells into Foxp3⁺ regulatory T (T_reg) cells for the treatment of various immunological diseases. AS2863619 free base is a potent, orally active cyclin-dependent kinase 8 (CDK8) and CDK19 inhibitor with IC₅₀s of 0.61 nM and 4.28 nM, respectively. STAT5 activation enhanced by AS2863619 free base inhibition of CDK8/19, which consequently activates the Foxp3 gene.

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

AS2863619 free base Chemical Structure

CAS No. : 2241300-50-3

Size	Price	Stock	Quantity
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO ready for reconstitution	USD 385	In-stock	Estimated Time of Arrival: December 31
Solution
10 mM * 1 mL in DMSO	USD 385	In-stock	Estimated Time of Arrival: December 31
Solid
5 mg	USD 350	In-stock	Estimated Time of Arrival: December 31
10 mg	USD 550	In-stock	Estimated Time of Arrival: December 31
50 mg	USD 1650	In-stock	Estimated Time of Arrival: December 31
100 mg	USD 2250	In-stock	Estimated Time of Arrival: December 31
200 mg		Get quote
500 mg		Get quote

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Customer Review

Based on 2 publication(s) in Google Scholar

Other Forms of AS2863619 free base:

AS2863619 Get quote

2 Publications Citing Use of MCE AS2863619 free base

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•Related Screening Libraries:

•Related Small Molecules:

•Related Proteins:

View All CDK Isoform Specific Products:

View All Isoforms

CDK1 CDK2 CDK3 CDK4 CDK5 CDK6 CDK7 CDK8 CDK9 CDK11 CDK12 CDK13 CDK14 CDK16 CDK19 CDC CLK Pho85

View All STAT Isoform Specific Products:

View All Isoforms

STAT3 STAT5 STAT6 STAT1

Biological Activity
Purity & Documentation
References
Customer Review

Description

IC₅₀ & Target^[1]

CDK8

0.61 nM (IC₅₀)

CDK19

4.28 nM (IC₅₀)

GSK3α

76.67 nM (IC₅₀)

GSK3β

63.06 nM (IC₅₀)

STAT5

In Vitro

AS2863619 (1 μM; 22 hours; mouse CD4⁺ T cells) treatment suppresses serine phosphorylation of the PSP motif of STAT5b to ~40% while enhancing tyrosine phosphorylation in the C-terminal domain to ~160% of control-treated samples^[1].

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

Western Blot Analysis^[1]

Cell Line:	Mouse CD4⁺ T cells
Concentration:	1 μM
Incubation Time:	22 hours
Result:	Suppressed serine phosphorylation of the PSP motif of STAT5b to ~40% while enhancing tyrosine phosphorylation in the C-terminal domain to ~160% of control-treated samples.

In Vivo

AS2863619 (30 mg/kg; oral administration; daily; for 2 weeks; mice) treatment after sensitization with 2,4-dinitrofluorobenzene (DNFB) dampens the degree of the secondary response, with milder infiltration of inflammatory cells into the skin and decreases ratios of interferon-γ⁺ (IFN-γ⁺) cells in a skin contact hypersensitivity model, when compared with vehicle-treated control mice. T_reg depletion before the elicitation of the secondary response abolishes AS2863619-induced suppression. KLRG1⁺ Foxp3⁺ T cells are specifically increased in DNFB sensitized AS2863619-treated mice^[1].

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

Animal Model:	Mice with DNFB-induced contact skin hypersensitivity^[1]
Dosage:	30 mg/kg
Administration:	Oral administration; daily; for 2 weeks
Result:	The degree of the secondary response, with milder infiltration of inflammatory cells into the skin and decreased ratios of interferon-γ⁺ (IFN-γ⁺) cells.

Molecular Weight

332.32

Formula

C₁₆H₁₂N₈O

CAS No.

2241300-50-3

Appearance

Solid

Color

White to off-white

SMILES

NC1=NON=C1C(N2C3=CC=C4N=C(C)NC4=C3)=NC5=C2C=CN=C5

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 : 250 mg/mL (752.29 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	3.0091 mL	15.0457 mL	30.0915 mL
5 mM	0.6018 mL	3.0091 mL	6.0183 mL
10 mM	0.3009 mL	1.5046 mL	3.0091 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)

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

This equation is commonly abbreviated as: C₁V₁ = C₂V₂

Concentration _(start)

Volume _(start)

Concentration _(final)

Volume _(final)

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: ≥ 2.08 mg/mL (6.26 mM); Clear solution

This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.08 mg/mL (6.26 mM); Clear solution

This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
Protocol 3

Add each solvent one by one: 10% DMSO 90% Corn Oil
Solubility: ≥ 2.08 mg/mL (6.26 mM); Clear solution

This protocol yields a clear solution of ≥ 2.08 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 (20.8 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)

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: 99.87%

Select Batch:

Data Sheet (283 KB) SDS (251 KB)

COA (260 KB) HNMR (118 KB) RP-HPLC (169 KB) LCMS (414 KB)

Handling Instructions (2659 KB)

References

[1]. Akamatsu M, et al. Conversion of antigen-specific effector/memory T cells into Foxp3-expressing Treg cells by inhibition of CDK8/19. Sci Immunol. 2019 Oct 25;4(40). pii: eaaw2707. [Content Brief]

Complete Stock Solution Preparation Table

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg

DMSO	1 mM	3.0091 mL	15.0457 mL	30.0915 mL	75.2287 mL
	5 mM	0.6018 mL	3.0091 mL	6.0183 mL	15.0457 mL
	10 mM	0.3009 mL	1.5046 mL	3.0091 mL	7.5229 mL
	15 mM	0.2006 mL	1.0030 mL	2.0061 mL	5.0152 mL
	20 mM	0.1505 mL	0.7523 mL	1.5046 mL	3.7614 mL
	25 mM	0.1204 mL	0.6018 mL	1.2037 mL	3.0091 mL
	30 mM	0.1003 mL	0.5015 mL	1.0030 mL	2.5076 mL
	40 mM	0.0752 mL	0.3761 mL	0.7523 mL	1.8807 mL
	50 mM	0.0602 mL	0.3009 mL	0.6018 mL	1.5046 mL
	60 mM	0.0502 mL	0.2508 mL	0.5015 mL	1.2538 mL
	80 mM	0.0376 mL	0.1881 mL	0.3761 mL	0.9404 mL
	100 mM	0.0301 mL	0.1505 mL	0.3009 mL	0.7523 mL