Janelia Fluor® 549, free acidNew
Yellow fluorescent dye; supplied as a free acid. Used in protocol (2017 Grimm et al - see references below) for the synthesis of Janelia Fluor® HaloTag® and SNAP-Tag® ligands, for use in live cell imaging experiments. Excitation maximum = 549 nm; emission maximum = 571 nm; Quantum yield = 0.88; Extinction coefficient = 101,000 M-1cm-1.
Sold under license from the Howard Hughes Medical Institute, Janelia Research Campus
|Storage||Store at -20°C|
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
|Solvent||Max Conc. mg/mL||Max Conc. mM|
Preparing Stock Solutions
The following data is based on the product molecular weight 568.5. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.
|Concentration / Solvent Volume / Mass||1 mg||5 mg||10 mg|
|1 mM||1.76 mL||8.8 mL||17.59 mL|
|5 mM||0.35 mL||1.76 mL||3.52 mL|
|10 mM||0.18 mL||0.88 mL||1.76 mL|
|50 mM||0.04 mL||0.18 mL||0.35 mL|
References are publications that support the biological activity of the product.
Grimm et al (2015) A general method to improve fluorophores for live-cell and single-molecule microscopy. Nat. Methods 12 244 PMID: 25599551
Grimm et al (2017) Synthesis of Janelia Fluor HaloTag and SNAP-Tag Ligands and Their Use in Cellular Imaging Experiments. Methods Mol.Biol. 1663 179 PMID: 28924668
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