Labelling

N-methyl-N'-methyl-O-(m-PEG4)-O'-(acid-PEG5)-Cy5 is a PEG linker containing a cyanine dye with excitation/emmission maximum 649/667 nm and a free terminal carboxyl acid. Terminal carboxylic acid can react with primary amine groups in the presence of of activators (e.g. EDC, or HATU) to form a stable amide bond. The hydophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

N-(m-PEG4)-N'-(PEG3-Mal)-Cy5 is a cyanine5 dye linker containing a PEG4 chain and a PEG3-Mal chain. The cyanine5 has an excitation/emission wavelength of 646/662 nm. The maleimide group can react with thiol groups from pH 6.5 to 7.5. The hydrophilic PEG linkers increase the water solubility of the compound in aqueous media. The water solubility properties of the PEG linker are enhanced with longer PEG chains. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

N-methyl-N'-methyl-O-(m-PEG4)-O'-(propargyl-PEG4)-Cy3 is a PEG linker containing cyanine dye with excitation/emmission maximum 555/570 nm and an alkyne group, which enables copper-catalyzed Click Chemistry. The hydophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

N-methyl-N'-methyl-O-(m-PEG4)-O'-(azide-PEG4)-Cy3 is a PEG linker containing cyanine dye with excitation/emmission maximum 555/570 nm as well as an azide group, which enables Click Chemistry. The hydophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

N-(m-PEG4)-N'-(azide-PEG4)-Cy3 is a PEG linker containing cyanine dye with excitation/emmission maximum 555/570 nm as well as an azide group, which enables Click Chemistry. The hydophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

N-(m-PEG4)-N'-(biotin-PEG3)-Cy5 is a PEG linker containing a cyanine dye with excitation/emmission maximum 649/667 nm as well as biotin, which enables efficient protein enrichment. The hydophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

N-(m-PEG4)-N'-(azide-PEG4)-Cy7 is a Cy7 labeled near infrared fluorescent PEG linker containing an azide group, which enables Click Chemistry. The hydrophilic PEG spacer increases solubility in aqueous media. This reagent can be utilized to produce Cy7-labeled biomolecules for potential in vivo research and drug design related experiments. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

N,N'-bis-(azide-PEG3)-Cy5 is a PEG linker containing a cyanine dye with excitation/emmission maximum 649/667 nm as well as an azide group, which enables Click Chemistry. The hydophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

N-(m-PEG4)-3,3-Dimethyl-3H-indole-N'-(acid-PEG3)-Benzothiazole Cy5 is a PEG linker containing a cyanine dye with excitation/emmission maximum 649/667 nm and a free terminal carboxyl acid. Terminal carboxylic acid can react with primary amine groups in the presence of of activators (e.g. EDC, or HATU) to form a stable amide bond. The hydophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.