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Apostatin-1 (Apt-1) TRADD inhibitor

Name: Apostatin-1 (Apt-1)
Brand: Selleck Chemicals
SKU: S9705
Availability: InStock
Rating: 5 (2 reviews)

Cat.No.S9705

Apostatin-1 (Apt-1) is a novel TRADD inhibitor that binds to a pocket on the N-terminal TRAF2-binding domain of TRADD (TRADD-N). It inhibits bortezomib-induced apoptosis and RIPK1-dependent apoptosis (RDA) with an IC50 of about 1 μM.

Chemical Structure

Molecular Weight: 345.50

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Quality Control

Batch: S970501 DMSO]69 mg/mL]false]Ethanol]9 mg/mL]false]Water]Insoluble]false Purity: 99.56%

Cited in Nature Medicine for its top-tier quality
COA
NMR
HPLC
SDS/MSDS
Datasheet

99.56

Related Targets	Bcl-2 Caspase PD-1/PD-L1 Ferroptosis p53 Apoptosis related Synthetic Lethality STAT TNF-alpha Ras
Featured Inhibitors	Y-27632 Dihydrochloride SB431542 CHIR-99021 (Laduviglusib) RMC-7977 RMC-6236 (Daraxonrasib) MRTX1133 MG132 Z-VAD-FMK VT3989 IAG933

Solubility

In vitro
Batch:

DMSO : 69 mg/mL (199.71 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Ethanol : 9 mg/mL

Water : Insoluble

Molarity Calculator

Mass	Concentration	Volume	Molecular Weight
Mass value Mass unit	Concentration value Concentration unit	Volume value Volume unit	Molecular weight (g/mol)

Dilution Calculator Molecular Weight Calculator

In vivo batch selection In vivo Batch:
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Clear solution	5%DMSO 1 40%PEG300 2 5%Tween80 3 50%ddH2O Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	3.450mg/ml (9.99mM)	Taking the 1 mL working solution as an example, add 50 μL of 69 mg/ml clarified DMSO stock solution to 400 μL of PEG300, mix evenly to clarify it; add 50 μL of Tween80 to the above system, mix evenly to clarify; then continue to add 500 μL of ddH2O to adjust the volume to 1 mL. The mixed solution should be used immediately for optimal results.
Clear solution	5% DMSO 1 95% Corn oil Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	0.345mg/ml (1.00mM)	Taking the 1 mL working solution as an example, add 50 μL of 6.9 mg/ml clear DMSO stock solution to 950 μL of corn oil and mix evenly. The mixed solution should be used immediately for optimal results.

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

Dosage: mg/kg

Average weight of animals: g

Dosing volume per animal: μL

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Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)

% DMSO

% Tween 80

% ddH₂O

% DMSO

Calculation results:

Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH₂O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

Chemical Information, Storage & Stability

Molecular Weight	345.50	Formula	C₁₉H₂₇N₃OS	Storage (From the date of receipt)	3 years -20°C powder
CAS No.	2559703-06-7	--		Storage of Stock Solutions	1 year-80°Cin solvent 1 month-20°Cin solvent

Read more about storage stability stock solution CAS number SMILES

Mechanism of Action

Targets/IC₅₀/Ki	TRADD
In vitro	Apostatin-1 (Apt-1) is a TRADD inhibitor that combines with the pocket on the N-terminal TRAF2 binding domain of TRADD (TRADD-N) to modulate the ubiquitination of RIPK1 and beclin 1. It effectively inhibits bortezomib-induced apoptosis and RIPK1-dependent apoptosis (RDA) in vitro.<sup><a class="sref" href="#s_ref">[1]</a></sup>
References	[1] https://pubmed.ncbi.nlm.nih.gov/32968279/

Clinical Trial Information

(data from https://clinicaltrials.gov, updated on 2026-04-17)

NCT Number	Recruitment	Conditions	Sponsor/Collaborators	Start Date	Phases
NCT05954286	COMPLETED	SARS-CoV-2	Henry M. Jackson Foundation for the Advancement of Military Medicine	2024-01-29	PHASE2
NCT03506022	COMPLETED	Diabetes Mellitus, Type 1	Centre Hospitalier Universitaire, Amiens	2018-01-12

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