Fluoresceinamine, more commonly known as 5-Aminofluorescein (CAS 3326-34-9), is a derivative of fluorescein that possesses a key amino group, significantly enhancing its utility in chemical synthesis and biological labeling. This functional group provides a convenient handle for conjugation reactions, allowing for the attachment of the fluorescein moiety to various target molecules.

The synthesis of 5-Aminofluorescein involves specific chemical processes designed to introduce the amino group onto the fluorescein core structure. While the exact proprietary methods used by manufacturers may vary, the goal is always to produce a high-purity compound that exhibits optimal fluorescent characteristics and reactivity. As a critical scientific research reagent, its synthesis requires stringent quality control to ensure consistency and reliability in experimental outcomes.

For researchers seeking to buy 5-Aminofluorescein, understanding its properties is crucial. It typically appears as a brown-red powder and has a defined melting point, indicating its stability under appropriate storage conditions. Its molecular formula, C20H13NO5, and molecular weight of 347.32 g/mol are important identifiers for procurement. Reputable suppliers in China, such as NINGBO INNO PHARMCHEM CO.,LTD., provide detailed specifications, including CAS number and purity levels, to assist researchers in making informed purchasing decisions. Investigating the price and sourcing options from these manufacturers ensures access to a quality product.

The application of Fluoresceinamine as a fluorescent marker is widespread. It is employed in immunofluorescence assays, DNA sequencing, and as a probe in various diagnostic tests. The ability to easily purchase this chemical means that research institutions, whether large or small, can integrate it into their workflows to achieve enhanced visualization and detection capabilities. The competitive pricing offered by manufacturers in China makes it an accessible tool for advancing scientific discovery.