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Classic fluorescent dyes are organic compounds that have the ability to absorb light of a certain wavelength and emit light of a different, longer wavelength. This phenomenon is called fluorescence and it is widely used in many scientific and industrial applications, such as fluorescence microscopy, flow cytometry, and DNA sequencing.

Classic fluorescent dyes are characterized by their high quantum yields, meaning they can efficiently convert absorbed energy into fluorescence, and their broad absorption and emission spectra, allowing them to be excited and detected by a range of light sources and instruments. These fluorescent dyes also vary in their photostability, meaning their ability to maintain their fluorescence signal over time, and their sensitivity to pH, temperature, and other environmental factors.

Classic fluorescent dyes can be broadly classified into two categories: small molecule dyes and fluorescent proteins. Small molecule dyes are synthetic organic compounds that are designed to selectively bind to specific biological molecules, such as proteins, nucleic acids, or lipids, and emit fluorescence upon excitation. Fluorescent proteins, on the other hand, are naturally occurring or genetically engineered proteins that have intrinsic fluorescence properties and can be fused to specific proteins of interest to track their localization and dynamics in live cells and tissues.

Cat# Name Structure M.W. Purity Pricing
AP12514Difluorocarboxyfluorescein Cadaverine, 5-isomer496.46≥95% Pricing
AP12512Difluorocarboxyfluorescein NHS Ester, 6-isomer509.38≥95% Pricing
AP12513Difluorocarboxyfluorescein NHS Ester, 5-isomer509.38≥95% Pricing
AP12515Difluorocarboxyfluorescein Azide, 6-isomer637.68≥95% Pricing
AP125066,8-Difluoro-7-hydroxy-4-methylcoumarin NHS Ester367.26≥95% Pricing
AP12508AMCA Acid233.22≥95% Pricing
AP12507AMCA NHS Ester330.3≥95% Pricing
AP12509AMCA LC Acid446.5≥95% Pricing
AP12510AMCA-PEG4-Acid580.63≥95% Pricing
AP12511Fmoc Lys(AMCA)-OH683.76≥95% Pricing
Carboxyrhodamine 110
AP125215(6)-Carboxyrhodamine 110 NHS Ester471.43≥95% Pricing
AP125205-Carboxyrhodamine 110 NHS Ester471.43≥95% Pricing
AP125165(6)-Carboxyrhodamine 110 Azide574.59≥95% Pricing
AP13923Carboxyrhodamine 110-PEG3-Azide574.60≥95% Pricing
AP13850Carboxyrhodamine 110 Alkyne588.63≥95% Pricing
AP12517Carboxyrhodamine 110 LC Acid687.75≥95% Pricing
AP12518Carboxyrhodamine 110 PEG4 Acid821.88≥95% Pricing
AP12694Carboxyrhodamine 110 DBCO879.97≥95% Pricing
AP13176Carboxyrhodamine 110-PEG4-DBCO880≥95% Pricing
AP12519Fmoc - Lys(CR110) - OH925≥95% Pricing
PB Dyes
AP13858PB NHS Ester339.2≥95% Pricing
AP12502PB LC Acid355.29≥95% Pricing
AP12655PB Picolyl Azide444.35≥95% Pricing
AP12503PB-PEG4-Acid489.42≥95% Pricing
AP12671PB Azide Plus580.55≥95% Pricing
AP12504Fmoc Lys(PB)-OH592.55≥95% Pricing
Rox (carboxy-X-rhodamine) Dye
AP12925ROX reference dye for qPCR≥ (95%) Pricing
AP146845-ROX (5-Carboxy-X-Rhodamine)534.61≥95% Pricing
AP12919ROX alkyne, 5-isomer571.67≥ (95%) Pricing
AP15241ROX alkyne, 6-isomer571.68≥95% Pricing
AP12920ROX azide, 5- isomer616.71≥ (95%) Pricing
AP12923ROX NHS ester, 5-isomer631.68≥ (80%) Pricing
AP12924ROX NHS ester, 6- isomer631.68≥ 80+%, balance mostly free carboxylic acid Pricing
AP12922ROX maleimide, 5-isomer656.73≥ (95%) Pricing
AP14689TR X NHS ester, 5-isomer816.95≥95% Pricing
AP12921ROX DBCO, 5-isomer835.00≥ (95%) Pricing
AP15246ROX C3 DBCO, 5-isomer792.936≥ (95%) Pricing

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