PZ0155 Sigma-Aldrich


≥98% (HPLC)

Synonym: PF-03716556, [N-(2-Hydroxyethyl)-N,2-dimethyl-8-{[(4R)-5-methyl-3,4-dihydro-2H-chromen-4-yl]amino}imidazo[1,2-a]pyridine-6-carboxamide]

  • CAS Number 928774-43-0

  • Empirical Formula (Hill Notation) C22H26N4O3

  • Molecular Weight 394.47

  •  MDL number MFCD19690947

  •  PubChem Substance ID 329823738

  •  NACRES NA.77



Related Categories Approved Therapeutics/Drug Candidates, Bioactive Small Molecule Alphabetical Index, Bioactive Small Molecules, Cell Biology, Cell Signaling and Neuroscience,
Quality Level   100
assay   ≥98% (HPLC)
form   powder
mfr. no.   Pfizer®
color   white to tan
solubility   DMSO: ≥10 mg/mL
originator   Pfizer
storage temp.   2-8°C
SMILES string   CN(CCO)C(=O)c1cc(N[C@@H]2CCOc3cccc(C)c23)c4nc(C)cn4c1
InChI   1S/C22H26N4O3/c1-14-5-4-6-19-20(14)17(7-10-29-19)24-18-11-16(22(28)25(3)8-9-27)13-26-12-15(2)23-21(18)26/h4-6,11-13,17,24,27H,7-10H2,1-3H3/t17-/m1/s1



5, 25 mg in glass bottle

Biochem/physiol Actions

potent, selective and reversible acid pump antagonist (H, K-ATPase)

Features and Benefits

This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®Pfizer), a collection of 90 Pfizer-developed drugs and research tools. Click here to learn more.

This compound is featured on the Potassium Channels page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Other Notes

This compound was developed by Pfizer for Ion Channel research. To learn more about Sigma′s partnership with Pfizer and view other authentic, high-quality Pfizer compounds, visit

To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.

Legal Information

Sold for research purposes under agreement from Pfizer Inc.

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

Pfizer is a registered trademark of Pfizer, Inc.

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable


Certificate of Analysis (COA)

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Protocols & Articles


Discover Bioactive Small Molecules for Ion Channels Research

Ion transport across the relatively impermeable lipid bilayer of the cell membrane is accomplished via membrane proteins known as ion channels, pumps and transporters. Ion channels are gated pores an...
Keywords: Biological processes, Cell signaling, Diseases, Hormones, Ligands, Neurotransmitters

Pfizer Compounds for Ion Channels

From our library of Articles, Sigma-Aldrich presents Pfizer Compounds for Ion Channels

Potassium Channels

Potassium channels are essential in both excitable and non-excitable cells for the control of membrane potential, regulation of cell volume, and the secretion of salt, neurotransmitters and hormones....
Keywords: Absorption, Cancer, Cell proliferation, Cell signaling, Diabetes, Diseases, Hormones, Ligands, Neurotransmitters, Phosphorylations, Sequencing

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