Peroxy Orange 1

Cat. No. 4944

Peroxy Orange 1 C32H32BNO5 [1199576-10-7]

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Alternative Name: PO1

Chemical Name: 2',3',6',7'-Tetrahydro-12'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-spiro[isobenzofuran-1(3H),9'-[1H,5H,9H]xantheno[2,3,4-ij]quinolizin]-3-one

Biological Activity

Fluorescent probe for imaging hydrogen peroxide (H2O2); cell permeable. Displays an orange intracellular fluorescence in response to H2O2 signals produced in RAW 264.7 macrophages and A431 cells during immune response and growth factor stimulation, respectively. Excitation wavelength 543 nm, emission between 545 and 750 nm.

Licensing Information

Sold under license from the Regents of the University of California

Technical Data

Soluble to 10 mM in DMSO
Store at -20°C

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.

Certificate of Analysis / Safety Data Sheet

Certificate of Analysis: View current batch
Safety Data Sheet: View Safety Data Sheet

Woolley et al (2012) H2O2 production downstream of FLT3 is mediated by p22phox in the endoplasmic reticulum and is required for STAT5 signalling. PLoS ONE 7. PMID: 22807997.

Dickinson et al (2011) Chemistry and biology of reactive oxygen species in signaling or stress responses. Nat.Chem.Biol. 7 504. PMID: 21769097.

Dickinson et al (2010) A palette of fluorescent probes with varying emission colors for imaging hydrogen peroxide signaling in living cells. J.Am.Chem.Soc. 132 5906. PMID: 20361787.

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