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SGC-CBP30 CBP/p300 Bromodomain Inhibitor

Name: SGC-CBP30
Brand: Selleck Chemicals
SKU: S7256
Availability: InStock
Rating: 5 (38 reviews)

Cat.No.S7256

SGC-CBP30 is a potent CREBBP/EP300 inhibitor with IC50 of 21 nM and 38 nM in cell-free assays, respectively. Exhibits 40-fold and 250-fold selectivity for CBP over the first BRD of BRD4 (BRD4(1)) and BRD4(2) respectively.

Chemical Structure

Molecular Weight: 509.04

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Quality Control

Batch: Purity: 99.99%

99.99

Related Targets	HDAC JAK BET Histone Methyltransferase PKC PARP HIF PRMT EZH2 AMPK
Other p300/CBP Inhibitors	Inobrodib (CCS-1477) A-485 Curcumin Anacardic Acid CPI-637 E7386 GNE-049 Histone Acetyltransferase Inhibitor II TTK21 I-CBP112

Cell Culture, Treatment & Working Concentration

Cell Lines	Assay Type	Incubation Time	Activity Description	PMID
RKO	Function assay	24 hrs	Inhibition of doxorubicin-stimulated p53 (unknown origin) expressed in human RKO cells preincubated for 24 hrs followed by addition of doxorubicin for 16 hrs by luciferase reporter assay, IC50 = 1.5 μM.	26572217
AMO1	Function assay	6 hrs	Inhibition of CBP/EP300 in human AMO1 cells assessed as reduction in MYC expression after 6 hrs by quantigene plex assay, EC50 = 2.7 μM.	27190605
HEK293	Function assay		Inhibition of Halo-tagged histone H3.3 binding to NanoLuc luciferase conjugated CBP (unknown origin) expressed in HEK293 cells after overnight incubation by BRET assay, IC50 = 2.8 μM.	27682507
RKO	Function assay	24 hrs	Inhibition of p53-induced (unknown origin) expressed in human RKO cells assessed as reduction in p53-induced p21 activation measured after 24 hrs by luciferase reporter gene assay, IC50 = 1.54 μM.	ChEMBL
Click to View More Cell Line Experimental Data

Solubility

In vitro
Batch:

DMSO : 100 mg/mL (196.44 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Ethanol : 100 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.
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.	2.500mg/ml (4.91mM)	Taking the 1 mL working solution as an example, add 50 μL of 50 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.
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.
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.
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.

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	509.04	Formula	C₂₈H₃₃ClN₄O₃	Storage (From the date of receipt)	3 years-20°Cpowder
CAS No.	1613695-14-9	Download SDF		Storage of Stock Solutions	1 year-80°Cin solvent 1 month-20°Cin solvent
Synonyms	N/A			Smiles	CC1=C(C(=NO1)C)C2=CC3=C(C=C2)N(C(=N3)CCC4=CC(=C(C=C4)OC)Cl)CC(C)N5CCOCC5

Mechanism of Action

Features	CREBBP/EP300-selective chemical probe.
Targets/IC₅₀/Ki	CREBBP (Cell-free assay) 21 nM EP300 (Cell-free assay) 38 nM
In vitro	As a CREBBP/EP300-selective chemical probe, SGC-CBP30 shows moderate cytotoxicity in U2OS cells and HeLa cells.
References	[1] http://www.thesgc.org/chemical-probes/CBP30 [2] https://pubmed.ncbi.nlm.nih.gov/34819668/ [3] https://pubmed.ncbi.nlm.nih.gov/30119248/

Applications

Methods	Biomarkers	Images	PMID
Western blot	IKZF1 / IKZF3 / p-STAT3 / STAT3 / IRF4 / Myc		30741931
Growth inhibition assay	Cell viability		30741931

Tech Support

Handling Instructions

Tel: +1-832-582-8158 Ext:3

If you have any other enquiries, please leave a message.

Frequently Asked Questions

Question 1:
The recommended formulation for in vivo studies on your website is “2% DMSO+30% PEG 300+5% Tween 80+ddH2O”. Is this a suspension or clear solution?

Answer:
It in 2% DMSO+30% PEG 300+5% Tween 80+ddH2O at 5mg/ml is a clear solution.

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