Fluorescent Dyes

Chemical dyes have been shown to be effective fluorescence tools in studying proteins, nucleic acids, lipid, carbohydrates, viruses, bacteria, cells, tissues, lymphokines, GPCRs, hormones and drugs.

• Cyanine dyes can impart prominent fluorescence for detection and characterization of the study subjects. The sulfo cyanine series offer the benefit of being water-soluble with enhanced photostability and improved quantum yields. We also offer cyanine probes having reactive groups for direct bio-conjugations.
• Fluorescein and Rhodamine dyes are widely used classic fluorescence tools. Fluorescein sodium salt, for example, has exhibited clinical indications in retinal demarcation. We also offer products having reactive groups for direct bio-conjugations.
• Azo and Triphenylmethane dyes exhibit a plethora of applications ranging from pH indication, metal ions complexation and textile pigmentation, and they also play active roles in biological and histological staining studies.

Classic Azo and Triphenylmethane-type Dyes

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Structure	Details
	Product Name: Phenolphthalein Order number: 50P152721 CAS: 77-09-8 Purity: 95% Appearance: solid MF: C20H14O4 MW: 318.328 MP: 261-263 oC Description: Phenolphthalein is a pH indicator. A phenolphthalein-based fluorescent probe has been studied for the sequential sensing of Al3+ and F- ions in aqueous medium in live cells. Login to check availability and price information.
	Product Name: Disperse Yellow 3 Order number: 50P174044 CAS: 2832-40-8 Purity: 98% Appearance: solid MF: C15H15N3O2 MW: 269.304 MP: 268-270 oC Description: This azo dye product of low aqueous solubility, used to color fabric polymers, wools, furs, cellulose acetate, polystyrene and other thermoplastics. Login to check availability and price information.
	Product Name: Methyl Violet 2B (basic violet 2) Order number: 50P179784 CAS: 8004-87-3 Purity: 95% Appearance: solid MF: C24H28ClN3 MW: 393.959 MP: 137 oC Description: It is an indicator in the Fleming test. Also used in textiles and paints; It is a hydration indicator for silica gel; and studied for detection of Mn2+, Cr2O7-, and nitroaromatic analytes. Login to check availability and price information.
	Product Name: Solvent Green 3 Order number: 50P187191 CAS: 128-80-3 Purity: 98% Appearance: solid MF: C28H22N2O2 MW: 418.496 MP: 220-221 oC Description: The dye, also as Quinizarine Green SS, is an anthraquinone derivative. It is a green dye that stains its color to materials. Its applications appear broad, staining plastics, PS, ABS, PMMA, PC, PET, o Login to check availability and price information.
	Product Name: Acid Yellow 11 Order number: 50P215695 CAS: 6359-82-6 Purity: 95% Appearance: solid MF: C16H13N4NaO4S MW: 380.354 MP: n.a. oC Description: This azo dye product can stain wood, silk, polyamide fiber, fabric, leather, and can be used for printing. Login to check availability and price information.
	Product Name: 1-(2-Hydroxyethyl)-3,3-dimethylindolino-6'-nitrobenzopyrylospiran Order number: 50P217275 CAS: 16111-07-2 Purity: 93% Appearance: solid MF: C20H20N2O4 MW: 352.39 MP: n.a. oC Description: The study of photoisomerization of this compound to merocyanine (fluorescent dye) has been studied. Login to check availability and price information.

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