D 4476

Cat. No. 2902

D 4476 C23H18N4O3 [301836-43-1]

Price and Availability

For D 4476 pricing & availability please select your country from the drop down menu:
By clicking submit you agree to accept a cookie from Tocris Bioscience. For details, please read our privacy and cookie policy.

Chemical Name: 4-[4-(2,3-Dihydro-1,4-benzodioxin-6-yl)-5-(2-pyridinyl)-1H-imidazol-2-yl]benzamide

Biological Activity

Selective inhibitor of casein kinase 1 (CK1) and TGF-β type-I receptor (ALK5) that displays > 20-fold selectivity over SAPK2/p38 and a much greater selectivity over all other protein kinases tested. Suppresses site-specific phosphorylation and nuclear exclusion of FOXO1a.

Licensing Information

Sold with the permission of GlaxoSmithKline

Technical Data

Soluble to 100 mM in DMSO and to 50 mM in ethanol
>99 %
Store at +4°C

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.

Certificate of Analysis / Safety Data Sheet

Certificate of Analysis: View current batch
Select another batch:
Safety Data Sheet: View Safety Data Sheet

Bain et al (2007) The selectivity of protein kinase inhibitors: a further update. Biochem.J. 408 297. PMID: 17850214.

Rena et al (2004) D4476, a cell-permeant inhibitor of CK1, suppresses the site-specific phosphorylation and nuclear exclusion of FOXO1a. EMBO Rep. 5 60. PMID: 14710188.

Callahan et al (2002) Identification of novel inhibitors of the transforming growth factor β1 (TGF-β1) type I receptor (ALK5). J.Med.Chem. 45 999. PMID: 11855979.

If you know of a relevant reference for this product please let us know.

Citations are publications that use Tocris products. Selected citations for D 4476 include:

Zhang et al (2015) GSK3β-Dzip1-Rab8 cascade regulates ciliogenesis after mitosis. PLoS Biol 13 e1002129. PMID: 25860027.

Zemp et al (2014) CK1δ and CK1ε are components of human 40S subunit precursors required for cytoplasmic 40S maturation. J Cell Sci 127 1242. PMID: 24424021.

Qian et al (2011) Pathogen recognition receptor signaling accelerates phosphorylation-dependent degradation of IFNAR1. PLoS Pathog 7 e1002065. PMID: 21695243.

Probst-Kepper et al (2009) Perspectives on Regulatory T Cell Therapies. Toxins (Basel) 36 302. PMID: 21076548.

Do you know of a great paper that uses D 4476 from Tocris? If so please let us know.show all ▼show less ▲

View Related Products by Product Action

Keywords: D 4476, supplier, Selective, CK1, inhibits, inhibitors, TGF-βRI, TGF-β, TGF-betaRI, TGFbRI, TGFbR1, tgf-b1Casein, Kinase, 1, Kinases, Transforming, Growth, Factors, Beta, Receptors, TGF-beta, RSTK, Receptor, Serine/Threonine, RSTKs, D4476, GlaxoSmithKline, GSK, Tocris Bioscience, Casein Kinase 1 Inhibitor products

Quick Order

Find multiple products by catalog number

divider line

Cancer Research Product Guide

Cancer Research Product Guide

Our Cancer Research Guide highlights over 750 products for cancer research. Request copy or view PDF today.

divider line

Kinase Inhibitor Toolbox

80 Kinase inhibitors
pre-dissolved in DMSO

Kinase Inhibitor Toolbox

Includes many of the latest kinase inhibitors to become commercially available. Covers a wide range of kinase targets including EGFR, MAPK and CDK.

divider line

Kinases Product Listing

Kinases Product Listing

Our Kinase listing highlights over 400 products for kinase research. Request copy or view PDF today.

divider line

Neurodegeneration Research Product Guide

Neurodegeneration Product Guide

Our Neurodegeneration guide highlights over 275 products for neurodegeneration research. Request copy or view PDF today.

divider line

New Products in this Area


Potent and selective PFKFB3 inhibitor

STOCK2S 26016

Lysine deficient protein kinase (WNK) signaling inhibitor

rac-CCT 250863

Potent Nek2 inhibitor


Potent, selective cyclin-dependent kinase inhibitor


Potent PKCβ inhibitor

BMS 265246

Potent cdk1/2 inhibitor

Autocamtide-2-related inhibitory peptide, myristoylated

CaM kinase II inhibitor; enhanced cell permeable derivative of Autocamtide-2-related inhibitory peptide

MP A08

Selective ATP competitive SphK1 and 2 inhibitor; cell permeable


Potent and selective dual Akt1 and 2 inhibitor

VX 680

High affinity and selective Aurora kinase inhibitor

Imatinib mesylate

Potent and selective v-Abl tyrosine kinase inhibitor; also inhibits PDGFR and c-kit

TGX 221

Potent and selective PI 3-kinase β inhibitor

PF 543 hydrochloride

Potent and selective SphK1 inhibitor

JX 06

Potent and selective pyruvate dehydrogenase kinase (PDK) 1/2/3 inhibitor

MRT 68601 hydrochloride

Potent TBK1 inhibitor

Sign-up for new product e-alerts
divider line

LinkedIn Updates

Follow Tocris on LinkedIn

Follow us on LinkedIn!

Visit our LinkedIn page for the latest Tocris news, events and updates.