Labelling

Cy5-NHS ester is a reactive dye containinig NHS ester group, which enables labeling of amino-bearing biomolecules. This reagent can be used for the labeling of amino-groups in peptides, proteins, and oligonucleotides. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Cy5-PEG5-azide is a cyanine5 dye linker containing a water soluble PEG chain and an azide terminal group. The azide can undergo copper-catalyzed Click Chemistry reactions with alkynes, DCBO and BCN groups. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Cy5-PEG3-Azide is a Cy5 labeled near infrared fluorescent (NIR) PEG linker dye containing an azide group, which enables Click Chemistry. The hydrophilic PEG spacer increases solubility in aqueous media. This reagent can be used to label alkyne-bearing molecules or biomolecules with Cy5 dye. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Cy5-PEG6-acid 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.

Cy5-PEG4-acid 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.

Cy5-PEG5-amine HCl salt is a PEG linker containing a cyanine dye with excitation/emmission maximum 649/667 nm and a free amine group, which will be reactive with cabroxylic acid, activated NHS ester, carbonyl (ketone, aldehyde) etc. The hydophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Cy5-PEG6-NHS ester is a cyanine labeled PEG linker with excitation/emmission maximum 649/667 nm containing a NHS ester group, which is an amine reactive group. Hydophilic PEG spacer increases solubility in aqueous media. This reagent can be utilized to produce Cyanine-labeled biomolecules for subsequent use such as in vivo research, and drug design related experiments. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Sulfo-Cy5-TCO is water soluble dye containing TCO moiety, which is highly reactive with tetrazines and methyltetrazines with the fastest bioconjugation speed. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Sulfo-Cy3-Methyltetrazine is a water soluble dye containing methyltetrazine moiety for the coupling with trans-cyclooctenes. Methyltetrazines possess optimal stability at physiological pH and is highly reactive towards cyclooctenes and this fluorophore is bright and very well visible with naked eye. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.