Home Angiogenesis BTK inhibitor CGI1746 For research use only.

CGI1746

CGI1746 is a potent and highly selective small-molecule inhibitor of the Btk with IC50 of 1.9 nM.

CGI1746 Chemical Structure

CGI1746 Chemical Structure

CAS No. 910232-84-7

Purity & Quality Control

CGI1746 Related Products

Signaling Pathway

BTK Signaling Pathways

BTK Signaling Pathway

Biological Activity

Description CGI1746 is a potent and highly selective small-molecule inhibitor of the Btk with IC50 of 1.9 nM.
Targets
BTK [1]
(Cell-free assay)
1.9 nM
In vitro
In vitro CGI1746 is specific for Btk, with ∼1,000-fold selectivity over Tec and Src family kinases. In an ATP-free competition binding assay, the dissociation constant for Btk is 1.5 nM. CGI1746 inhibits Btk activity in a new binding mode that stabilizes an inactive nonphosphorylated enzyme conformation. CGI1746 inhibits both auto- and transphosphorylation steps necessary for enzyme activation. CGI1746 completely inhibits anti-IgM–induced murine and human B cell proliferation, with IC50s of 134 nM and 42 nM, respectively, but had no effect on anti-CD3- and anti-CD28–induced T cell proliferation. CGI1746 potently inhibits the proliferation of CD27+IgG+ B cells isolated from the tonsils of four human donors with an average IC50 of 112 nM. In macrophages, CGI1746 abolishes FcγRIII-induced TNFα, IL-1β and IL-6 production. CGI1746 potently inhibits TNFα, IL-1β and, to a lesser extent, IL-6 (three- to eight-fold higher IC50) production in human monocytes stimulated with immobilized or soluble immune complexes. [1]
In Vivo
In vivo CGI1746 abrogates B cell–dependent arthritis. CGI1746 treatment (100 mg/kg, s.c, twice-daily dosing) results in significant inhibition (97%) of overall clinical arthritis scores. CGI1746 treatment substantially reduces TNFα, IL-1β and IL-6, as well as MCP1 and MIP-1α on both the mRNA and protein level in the passive anti-collagen II antibody–induced arthritis (CAIA) model. CGI1746 shows comparable efficacy to TNFα blockade and significantly reduces clinical scores, as well as joint inflammation, in mice or rats with established arthritis. [1]

Chemical Information & Solubility

Molecular Weight 579.69 Formula

C34H37N5O4
CAS No. 910232-84-7 SDF Download CGI1746 SDF
Smiles CC1=C(C=CC=C1NC(=O)C2=CC=C(C=C2)C(C)(C)C)C3=CN(C(=O)C(=N3)NC4=CC=C(C=C4)C(=O)N5CCOCC5)C
Storage (From the date of receipt)

In vitro
Batch:

DMSO : 100 mg/mL ( (172.5 mM) Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Ethanol : 33 mg/mL

Water : Insoluble


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In vivo
Batch:

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In vivo Formulation Calculator

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In vivo Formulation Calculator (Clear solution)

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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.

Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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