2-amino-3',6'-bis(ethylaMino)-2',7'-dimethylspiro〔isoindoline-1,9'-xanthen〕-3-one | CAS 932013-08-6

2-amino-3',6'-bis(ethylaMino)-2',7'-dimethylspiro〔isoindoline-1,9'-xanthen〕-3-one is a fluorescent dye scaffold designed for strong light absorption and visible emission in labeling and imaging workflows. Its amine-rich structure supports conjugation strategies for attaching the fluorophore to biomolecules and materials, enabling downstream fluorescence readouts in microscopy and assay development. Researchers often select this dye when they need a reactive, dye-like labeling component for constructing fluorescent conjugates and tracking labeled species in biochemical experiments.

1. Fluorescent Labeling Conjugates

2-amino-3',6'-bis(ethylaMino)-2',7'-dimethylspiro〔isoindoline-1,9'-xanthen〕-3-one is used as a labeling fluorophore for preparing fluorescent conjugates of proteins, peptides, and other research biomolecules where amine-functional coupling handles are advantageous. In chemical biology and biomaterials labs, it is commonly incorporated into dye-labeled reagents for monitoring binding, localization, and transport of tagged targets by fluorescence microscopy and plate-based fluorescence measurements. The spiro-xanthene dye framework is leveraged to generate bright, trackable signals in conjugate-based studies, including fluorescent tagging of affinity reagents and imaging standards.

2. Fluorescence Microscopy Imaging

2-amino-3',6'-bis(ethylaMino)-2',7'-dimethylspiro〔isoindoline-1,9'-xanthen〕-3-one supports fluorescence microscopy workflows where labeled biomolecules or engineered materials are visualized to study spatial distribution. In cell biology and materials science, investigators use dye-conjugated constructs to map fluorescently tagged components in fixed samples and imaging experiments, including co-localization studies with other spectrally distinct markers. The dye's visible fluorescence readout makes it practical for routine fluorescence imaging setups used in research laboratories focused on cellular imaging and molecular staining development.

3. Flow Cytometry Fluorescent Probes

2-amino-3',6'-bis(ethylaMino)-2',7'-dimethylspiro〔isoindoline-1,9'-xanthen〕-3-one is applied in flow cytometry development when fluorescent labeling of biomolecules or probes is required for population-level analysis. Research groups use this dye to generate fluorescently labeled reagents for staining workflows that report on binding of tagged affinity ligands or the presence of labeled biomolecular constructs on particles or cells. Its amine-rich dye structure is often selected during reagent development to facilitate conjugate preparation that can be screened across instrument channels for robust signal reporting in fluorescence-based cytometry assays.

4. Biomaterial Surface Functionalization

2-amino-3',6'-bis(ethylaMino)-2',7'-dimethylspiro〔isoindoline-1,9'-xanthen〕-3-one is used to create fluorescently functionalized biomaterial surfaces and polymer coatings for imaging and characterization of material interfaces. In biomaterials research, dye-labeled coatings help visualize adsorption, surface coverage, and spatial patterning of functional layers, supporting studies that couple chemical functionalization with fluorescence readout. This enables researchers to track labeled components during material fabrication and to validate surface modification outcomes in microscopy and fluorescence imaging assays.