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M13208-2 Contact sales@xcessbio.com for quotation $100
M13208-10 Contact sales@xcessbio.com for quotation $100


HG-12-6 is a type II inhibitor of IRAK4. HG-12-6 shows preferential binding to unphosphorylated inactive IRAK4 with an IC50 of 165 nM. HG-12-6 can modulate IRAK4 activity in autoimmunity and inflammation.

Product information

CAS Number: 2222354-57-4

Molecular Weight: 580.62

Formula: C29H27F3N6O2S

Chemical Name: 3-{2-cyclopropaneamido-[1,3]thiazolo[5,4-b]pyridin-5-yl}-N-{4-[(piperazin-1-yl)methyl]-3-(trifluoromethyl)phenyl}benzamide

Smiles: O=C(NC1=NC2=CC=C(N=C2S1)C1=CC(=CC=C1)C(=O)NC1C=C(C(CN2CCNCC2)=CC=1)C(F)(F)F)C1CC1


InChi: InChI=1S/C29H27F3N6O2S/c30-29(31,32)22-15-21(7-6-20(22)16-38-12-10-33-11-13-38)34-26(40)19-3-1-2-18(14-19)23-8-9-24-27(35-23)41-28(36-24)37-25(39)17-4-5-17/h1-3,6-9,14-15,17,33H,4-5,10-13,16H2,(H,34,40)(H,36,37,39)

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: Soluble in DMSO

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

How to use

In Vitro:

The in-house compound HG-12-6 has a similar chemical scaffold as Ponatinib. The most differentiating components are the head of the inhibitor and the lack of a methyl substituent on ring A. Without the methyl substituent on ring A, the entire HG-12-6 molecule shifts inward to the ATP pocket in comparison with the binding mode of Ponatinib. HG-12-6 has a better binding affinity for the unphosphorylated inactive IRAK4 kinase domain (IC50 of 165 nM) than the phosphorylated active IRAK4 kinase domain (IC50 of 2876 nM).


  1. Wang L, et al. Conformational flexibility and inhibitor binding to unphosphorylated interleukin-1 receptor-associated kinase 4 (IRAK4). J Biol Chem. 2019 Mar 22;294(12):4511-4519.

Products are for research use only. Not for human use.

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