Name: SBE 13 HCl
Brand: Selleck Chemicals
SKU: S7720
Availability: InStock
Rating: 5 (5 reviews)

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Batch: S772001 DMSO]95 mg/mL]false]Water]Insoluble]false]Ethanol]Insoluble]false Purity: 99.39%

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

99.39

Related Targets	CDK HSP K-Ras PD-1/PD-L1 ROCK Wee1 DNA/RNA Synthesis Microtubule Associated Ras Aurora Kinase
Other PLK Products	Volasertib (BI6727) BI 2536 Rigosertib (ON-01910) GSK461364 Onvansertib (NMS-1286937, NMS-P937) Ro3280 CFI-400945 HMN-214 MLN0905 Poloxin

Solubility

In vitro
Batch:

DMSO : 95 mg/mL (198.16 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Water : Insoluble

Ethanol : 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.	4mg/ml (8.34mM)	Taking the 1 mL working solution as an example, add 50 μL of 80 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.	2mg/ml (4.17mM)	Taking the 1 mL working solution as an example, add 50 μL of 40 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

Number of animals:

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	479.4	Formula	C₂₄H₂₈Cl₂N₂O₄	Storage (From the date of receipt)	3 years-20°Cpowder
CAS No.	1052532-15-6	Download SDF		Storage of Stock Solutions	1 year-80°Cin solvent 1 month-20°Cin solvent
Synonyms	N/A			Smiles	COC1=C(C=C(C=C1)CCNCC2=CC(=C(C=C2)OCC3=CN=C(C=C3)Cl)OC)OC.Cl

Mechanism of Action

Targets/IC₅₀/Ki	PLK1 200 pM
In vitro	SBE 13 decreases cell proliferation in various cancer cell lines, and causes a G2/M arrest followed by apoptosis. In primary cells, SBE 13 does not impair cell cycle and thus proliferation of primary cells. SBE13 in combination with Enzastaurin displays a synergistic reduction of cell proliferation and enhanced apoptosis induction in HCT116(p53-/-) cells.
Kinase Assay	Kinase assays
Kinase Assay	To assay Plk1 and Aurora A kinase activity, cells are lysed after 13 hrs release in the presence of SBE13 after double thymidine block, and kinases are immunoprecipitated from lysates using antibodies as described. In brief, for each immunoprecipitation 800 µg of total protein were incubated with 1.5 µg Plk1 antibody cocktail, 3 µg Plk2 antibody, 3 µg Plk3 antibody, or 5 µg Aurora A antibody, respectively, for 2 hrs at 4°C on a rotator. Immunoprecipitated protein is collected using Protein G Agarose beads. The Plk1, Plk2 and Plk3 immunoprecipitates are incubated with 1 µg casein and with 1 µCi of [γ³²-P]ATP for 30 min at 37°C in kinase buffer. The Aurora A immunoprecipitates are incubated with 0.5 µl Histone and with 1 µCi of [γ³²-P]ATP for 60 min at room temperature in kinase buffer. Products from the kinase assays are fractionated on 10% Bis-Tris-polyacrylamide gels, and the phosphorylated substrate is visualized by autoradiography after an exposure of 12 to 36 hrs. An equal amount of immunoprecipitates is subjected to western blot analysis to confirm equal loading of Plk1, Plk2, Plk3 or Aurora A protein in kinase reactions. Immunoprecipitated Plk1 after 13 hrs release in the presence of SBE13 is assayed after de-phosphorylation using λ protein phosphatase and compared to kinase activity of endogenous immunoprecipitated Plk1. Activity of Plk1 kinase with and wiiiuithout de-phosphorylation is compared and the ratio between de-phosphorylated and “normal” endogenous immunoprecipitated Plk1 kinase activity is calculated.
References	[1] https://pubmed.ncbi.nlm.nih.gov/20139717/ [2] https://pubmed.ncbi.nlm.nih.gov/21301227/ [3] https://pubmed.ncbi.nlm.nih.gov/24810255/

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SBE 13 HCl PLK inhibitor

Chemical Structure

Molecular Weight: 479.4