BAY 87-2243

Catalog No.S7309

BAY 87-2243 is a potent and selective hypoxia-inducible factor-1 (HIF-1) inhibitor. Phase 1.

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BAY 87-2243 Chemical Structure

BAY 87-2243 Chemical Structure
Molecular Weight: 525.53

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Product Description

Biological Activity

Description BAY 87-2243 is a potent and selective hypoxia-inducible factor-1 (HIF-1) inhibitor. Phase 1.
Targets HIF-1 [1]
(Cell-free assay)
In vitro BAY 87-2243 inhibits HIF-1 reporter gene activity and CA9 protein expression with IC50 of 0.7 nM and 2 nM, respectively. In hypoxic lung cancer H460 cells, BAY 87-2243 suppresses HIF target gene expression, and inhibits HIF-1α protein accumulation. Under glucose depletion, BAY 87-2243 inhibits cell proliferation via interference with mitochondrial function. [1]
In vivo In H460 xenograft mouse model, BAY 87-2243 (4 mg/kg p.o.) reduces tumor weight, HIF-1α protein, and HIF-1 target gene expression levels. [1]

Protocol(Only for Reference)

Cell Assay: [1]

Cell lines Non-small cell lung cancer (NSCLC) cell line H460
Concentrations 10 μM
Incubation Time 48 hours
Method To evaluate the cytotoxicity of BAY 87-2243, 2.000 cells of the respective cell lines are seeded in 96-well plates and cultured in the appropriate growth medium containing 10% FCS. BAY 87-2243 at various concentrations is added at 24 h after seeding for additional 48 h and cell viability is determined using Cell Titer Glow Assay.

Animal Study: [1]

Animal Models Mice bearing lung carcinoma H460 xenografts
Formulation 1% (v/v) solution of ethanol/solutol/water (10/40/50%)
Dosages ~4 mg/kg/d
Administration p.o.

Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)

SpeciesMouseRatRabbitGuinea pigHamsterDog
Weight (kg)
Body Surface Area (m2)0.0070.0250.
Km factor36128520
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Rat dose (mg/kg) = mouse dose (22.4 mg/kg) ×  mouse Km(3)  = 11.2 mg/kg
rat Km(6)


[1] Ellinghaus P, et al. Cancer Med. 2013, 2(5), 611-624.

Clinical Trial Information( data from, updated on 2016-07-30)

NCT Number Recruitment Conditions Sponsor
Start Date Phases
NCT01297530 Terminated Neoplasms Bayer April 2011 Phase 1

Chemical Information

Download BAY 87-2243 SDF
Molecular Weight (MW) 525.53


CAS No. 1227158-85-1
Storage 3 years -20℃powder
2 years -80℃in solvent
Synonyms N/A
Solubility (25°C) * In vitro Ethanol 8 mg/mL warming (15.22 mM)
DMSO <1 mg/mL
Water <1 mg/mL
In vivo
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
Chemical Name 1-cyclopropyl-4-[4-[[5-methyl-3-[3-[4-(trifluoromethoxy)phenyl]-1,2,4-oxadiazol-5-yl]-1H-pyrazol-1-yl]methyl]-2-pyridinyl]-piperazine

Frequently Asked Questions

  • Question 1
    How to formulate the compound for mouse in vivo experiment? I noticed that "For in vivo studies, BAY 87-2243 was formulated in a 1% (v/v) solution of ethanol/solutol/water (10/40/50%). Animals were given BAY 87-2243 (0.5, 1, 2, and 4 mg/kg) or vehicle control once daily by oral gavage" referred from Cancer Medicine 2013; 2(5): 611–624. What is solutol?

    Answer: Solutol is a non-ionic solubilizer and emulsifier used in making vehicle formulations.

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.

Tel: +1-832-582-8158 Ext:3

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID
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