≥98% (HPLC), solid

1,4-Bis-[2-(3,5-dichloropyridyloxy)]benzene, 3,3′,5,5′-Tetrachloro-1,4-bis(pyridyloxy)benzene
Empirical Formula (Hill Notation):
Número de CAS:
Peso molecular:
MDL number:
PubChem Substance ID:
En este momento no podemos mostrarle ni los precios ni la disponibilidad

Quality Level


≥98% (HPLC)






DMSO: >10 mg/mL
H2O: insoluble

storage temp.


SMILES string




InChI key


Gene Information

human ... NR1I3(9970)


TCPOBOP has been used for enhancing Mcl-1-Italics promoter functions in mouse hepatoma cells. TCPOBOP has also been used to study constitutive androstane receptor(CAR)-induced gene expression in mouse hepatocytes.


5 mg in glass bottle

Biochem/physiol Actions

TCPOBOP enhances the nuclear receptor CAR transactivation of cytochrome P450 (CYP), as dose-dependent direct agonist of CAR. The most potent known member of the phenobarbital-like class of CYP-inducing agents.

Features and Benefits

This compound is a featured product for Apoptosis research. Click here to discover more featured Apoptosis products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.
This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®1280), a biologically annotated collection of high-quality, ready-to-screen compounds. Click here to learn more.

Preparation Note

TCPOBOP is soluble in DMSO at a concentration that is greater than 10 mg/ml. It is insoluble in water.

Legal Information

LOPAC is a registered trademark of Sigma-Aldrich Co. LLC

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves


NONH for all modes of transport

WGK Germany


Flash Point F

Not applicable

Flash Point C

Not applicable

Christopher Reed et al.
The American journal of pathology, 184(6), 1853-1859 (2014-04-15)
Diverse etiologic events are associated with the development of hepatocellular carcinoma. During hepatocarcinogenesis, genetic events likely occur that subsequently cooperate with long-term exposures to further drive the progression of hepatocellular carcinoma. In this study, the frequent loss of the retinoblastoma...
Nicholas J Lodato et al.
Toxicological sciences : an official journal of the Society of Toxicology, 164(1), 115-128 (2018-04-05)
Activation of the nuclear receptor and transcription factor CAR (Nr1i3) by its specific agonist ligand TCPOBOP (1, 4-bis[2-(3, 5-dichloropyridyloxy)]benzene) dysregulates hundreds of genes in mouse liver and is linked to male-biased hepatocarcinogenesis. To elucidate the genomic organization of CAR-induced gene...
Albert Braeuning et al.
Drug metabolism and disposition: the biological fate of chemicals, 37(5), 1138-1145 (2009-02-25)
Basal as well as xenobiotic-induced expression of the main enzymes from phase I and phase II of drug metabolism is confined to the perivenous areas of the mammalian liver lobule. Whereas signal transduction pathways that govern xenobiotic-induced expression of these...
Antiepileptic Drug-Activated Constitutive Androstane Receptor Inhibits Peroxisome Proliferator-Activated Receptor ? and Peroxisome Proliferator-Activated Receptor ? Coactivator 1?-Dependent Gene Expression to Increase Blood Triglyceride Levels.
Shizu, et al.
Molecular Pharmacology, 98, 634-647 (2020)
Andrei A Yarushkin et al.
European journal of pharmacology, 879, 173135-173135 (2020-04-28)
It is well known that activating the constitutive androstane receptor (CAR, NR1I3) leads to a significant proliferation of liver cells, which suggests that NR1I3 could be a therapeutic target for the partial resection of this organ. Studies describing NR1I3-mediated proliferative...
Contenido relacionado
Apoptosis, or programmed cell death (PCD), is a selective process for the removal of unnecessary, infected or transformed cells in various biological systems. As it plays a role in the homeostasis of multicellular organisms, apoptosis is tightly regulated through two principal pathways by a number of regulatory and effector molecules.
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n proliferating cells, the cell cycle consists of four phases. Gap 1 (G1) is the interval between mitosis and DNA replication that is characterized by cell growth. Replication of DNA occurs during the synthesis (S) phase, which is followed by a second gap phase (G2) during which growth and preparation for cell division occurs. Together, these three stages comprise the interphase phase of the cell cycle. Interphase is followed by the mitotic (M) phase.
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