Tocris Bioscience™ Janelia Fluor 549, SE

Catalog No. 61-472

Supplier: Tocris Bioscience™ 6147/2

Description

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

Janelia Fluor® 549, SE is a yellow fluorescent dye; supplied as an NHS ester for coupling to primary amine groups. NHS ester can be converted to relevant substrate for use in self-labeling tag systems, e.g. HaloTag™ and SNAP-tag™. Suitable for confocal fluorescent imaging and super resolution microscopy (SRM) techniques, such as dSTORM (live and fixed cells) and STED. Also suitable for flow cytometry. Cell permeable. Excitation maximum = 549 nm; emission maximum = 571 nm; Quantum yield = 0.88; Extinction coefficient = 101,000 M-1cm-1; A280 correction factor is 0.169.

We also offer Janelia Fluor™ conjugated antibodies and custom conjugation services with our sister company Novus Biologicals.

HaloTag is a trademark of Promega Corporation, and SNAP-tag is a trademark of New England BioLabs, Inc.

Greener Choice Claims

• Environmental benefits include:
• Ozone-Safe or Safe for the Ozone Layer

Specifications

• Chemical Name or Material: 3,6-Di-1-azetidinyl-9-[2-carboxy-5-[[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl]phenyl]xanthylium, inner salt
• CAS: 1811539-32-8
• Synonym: JF 549, NHS
• Quantity: 2 mg
• Target: Janelia Fluor Dyes
• Molecular Formula: C₃₁H₂₅N₃O₇
• Formula Weight: 551.56