B178 Sigma



Synonym: 1-(2,4-Dihydroxyphenyl)-3-(3,4-dihydroxyphenyl)-2-propen-1-one, 2′,3,4,4′-Tetrahydroxychalcone



Biochem/physiol Actions

Inhibits EGFR and Src tyrosine kinase activities; inhibits cAMP-dependent PDE-IV. Induces apoptosis in B16 melanoma cells and HL-60 human leukemia cells.



Features and Benefits

This compound is a featured product for Kinase Phosphatase Biology research. Click here to discover more featured Kinase Phosphatase Biology products. Learn more about bioactive small molecules for other areas of research at

Other Notes

Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. B178.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit

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Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Certificate of Origin

Protocols & Articles


Discover Bioactive Small Molecules for Cytokines & Growth Factors Research

Cytokines and growth factors (GF) are chemical messengers that mediate intracellular communication, thereby regulating cellular and nuclear functions. These chemical messengers bind cell surface rece...
Keywords: Biological processes, Cancer, Cell proliferation, Diseases, Growth factors, Ligands, Phosphorylations, Transcription, Transduction

Discover Bioactive Small Molecules for Kinase Phosphatase Biology

Phosphorylation is a ubiquitous cellular regulatory mechanism that mediates signal transduction pathways, which carry signals from the cell surface to the nucleus or cytoplasm, by altering the activi...
Keywords: Apoptosis, Bioactive small molecules, Cancer, Diseases, Inflammation, Metabolism, Neurodegenerative Diseases, Phosphorylations, Transduction

Histone Modification and Chromatin Remodeling

Gene expression is governed by complex mechanisms including transcription factor binding to DNA and coordinated changes in chromatin structure. The primary protein components of chromatin are the his...
Savita Bagga, PhD.
BioFiles v7 n3, 2012, 10–16
Keywords: Acetylations, Amplification, Cancer, Cell culture, Chromatin immunoprecipitation, Cloning, DNA purification, Diseases, Gene expression, Immunoprecipitation, Indicators, Methylations, Microarray Analysis, PAGE, Polymerase chain reaction, Polymerase chain reaction - quantitative, Polymorphisms, Purification, Sequencing, Transcription, Whole genome amplification

Peer-Reviewed Papers


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