Tocris Bioscience™ Janelia Fluor 549, free acid

Yellow dye (Reactive group: free acid). Applications: super resolution microscopy e.g. dSTORM & STED, confocal, flow and live cell imaging

Brand:  Tocris Bioscience™ 6503/5

Product Code. 18717776

Description

Janelia Fluor® 549, free acid is a 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. Also suitable for flow cytometry. Excitation maximum = 549 nm; emission maximum = 571 nm; Quantum yield = 0.88; Extinction coefficient = 101,000 M-1cm-1.

Specifications

• Chemical Name or Material: 3,6-Di-1-azetidinyl-9-(2,5-dicarboxyphenyl)xanthylium, inner salt trifluoroacetate
• Quantity: 5 mg
• Molecular Formula: C₂₇H₂₂N₂O₅.C₂HF₃O₂
• Purity: 90%

• CAS: 2245946-45-4
• Target: Free Acid Janelia Fluor™ Dyes
• Formula Weight: 568.5