Labeling and Fluorescence Imaging

Biotin-azide (N-(3-Azidopropyl)biotinamide) is a form of biotin with a terminal azide group. Biotin-azide can be used to prepare various biotinylated conjugates via Click Chemistry. Biotin-azide is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

Ac4ManNAz is an azido-containing metabolic glycoprotein labeling reagent. Ac4ManNAz can be used to selectively modify proteins. Ac4ManNAz can be used in cell labeling, tracking and proteomic analysis. Ac4ManNAz is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

TAMRA azide, 5-isomer is a click chemical containing azide groups that can be used as a linker for TAMRA. The azide group of TAMRA Azide, 5-isomer enables copper-catalyzed click chemical reactions with alkynes, DBCO, and BCN. It contains an azide group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing alkyne groups. It can also undergo ring strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing DBCO or BCN groups (Ex/Em = 555/580 nm).

Alkyne-phenol (Alk-Ph) is a clickable ascorbate peroxidase 2 (APEX2) probe. Alkyne-phenol substantially improves APEX-labeling efficiency in intact yeast cells, as it is more cell wall-permeant than APEX2 substrate biotin-phenol (BP). Alkyne-phenol also facilitates the identification of APEX-labeling sites, allowing the unambiguous assignment of membrane topology of mitochondrial proteins. Alkyne-phenol is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

15-Azido-pentadecanoic acid is a click chemistry reagent containing an azide group. Azido Palmitic Acid can be used to identify and characterize post-translationally palmitylated proteins with using a simple and robust two-step labeling and detection technique. 15-Azido-pentadecanoic acid is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

Coumarin-C2-exoBCN is a dye derivative of Coumarin (HY-N0709) and can be used for research related to fluorescent labeling and chemical reaction tracking.

Cy5-DBCO (DBCO-Sulfo-Cy5) is a near-infrared (NIR)red fluorescent dye with λ_absand λ_em of 646nm and 670 nm, respectively. Cy5-DBCO (DBCO-Sulfo-Cy5) is not suitable for staining intracellular components of permeabilezed cell, it may exhibits a high background. Cy5-DBCO is a click chemistry reagent, it contains a DBCO group that can undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing Azide groups.

3-Azido-D-alanine hydrochloride is an azido-modified D-alanine (HY-41700) hydrochloride. 3-Azido-D-alanine hydrochloride can be used in the research of click chemistry labeling. It contains an azide group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing alkyne groups. It can also undergo ring strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing DBCO or BCN groups.

CY5-N3 (Sulfo-Cyanine5-azide) is a Cy5-azide, which is a fluorescent dye (ex/em: 646/662 nm). CY5-N3 is cell membrane permeable and can be used for live cell imaging. CY5-N3 can be used in cell imagine by Click reaction.

DBCO-Cy3 (DBCO-Sulfo-Cy3) is the derivative of Cyanine3 fluorophore, a pH insensitive from pH (4-10) orange fluorescent dyewith excitation maximum 555 nm and emission maximum of 580nm. DBCO-Cy3 has fast reaction kinetics and good stability, and is productive to use in many standard fluorescent instrumentations. DBCO-Cy3 is a click chemistry reagent, it contains a DBCO group that can undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing Azide groups.

FAM azide, 6-isomer (6-FAM azide) is a 6-carboxyfluorescein derivative with an azide functional group and coupling partner in copper-catalyzed azide-alkyne cycloaddition. FAM azide, 6-isomer participates in synthesis of fluorescently tagged disparlure enantiomers for pheromone-binding protein binding assays. FAM azide, 6-isomer is widely used for labeling oligonucleotides (Ex/Em = 493/517 nm).

Rhodamine-N3 chloride is an azide-rhodamine fluorescent dye that can be used to label biomolecules containing alkyne groups. Rhodamine-N3 chloride is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups (Ex/Em = 544/576 nm).

Cy3-dCTP is a directly fluorescently labeled deoxyribonucleotide, in which Cy3 is a cyanine fluorescent dye. Cy3-dCTP is used for direct enzymatic labeling of DNA and cDNA: with the aid of DNA polymerases, this modified nucleotide is incorporated into the extending DNA strand during processes such as reverse transcription, PCR, nick translation or random primer labeling.

Kdo Azide is a click chemistry reagent containing an azide. Kdo Azide is a metabolic labeling reagent. Kdo Azide is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

7-Azido-4-methylcoumarin is a selective coumarin-based fluorescent probe for hydrogen sulfide (H₂S). In the presence of H₂S, the aromatic azido group of 7-Azido-4-methylcoumarin is selectively reduced to produce the fluorescently active 7-amino-4-methylcoumarin (AMC). 7-Azido-4-methylcoumarin binds to the coumarin/phenol-binding site of BSA, the aglycone-binding site of UGT1A6, and the substrate-binding site of SULT1A1, respectively. 7-Azido-4-methylcoumarin retains its fluorescent properties after covalent binding, acts as a fluorescent H₂S probe, and does not react with cysteine, homocysteine or glutathione (Ex/Em = 340/445 nm).

Fl-DIBO (fluorogenic dibenzocyclooctyne) is a selective and high sensitivity fluorescent probe to azide compounds. Fl-DIBO can react rapidly with azide compounds to form new highly fluorescent products with a maximum emission wavelength of 469 nm and excitation wavelength of 363 nm. Fl-DIBO can be used to label diazo-tagged proteins without detectable background signal interference. Fl-DIBO is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

N-ε-propargyloxycarbonyl-L-lysine (H-L-Lys(Poc)-OH) hydrochloride is a lysine-based unnatural amino acid (UAA). N-ε-propargyloxycarbonyl-L-lysine is widely used for bio-conjugation of fluorescent probes in diverse organisms from E. coli to mammalian cells even in animals. N-ε-propargyloxycarbonyl-L-lysine (hydrochloride) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

Cyanine5 alkyne (Alkyne-Cy5) is a fluorescent dye used to label azide proteins and can be used to analyse post-translational modifications of proteins, glycosylation etc. Cyanine5 alkyne can also be used as a mitochondrial OXPHOS inhibitor to inhibit the growth of cancer stem cells (CSC). Cyanine5 alkyne is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

Sulfo-Cy5 azide is a near-infrared fluorescent probe with favorable click chemistry reactivity. Sulfo-Cy5 azide enables fluorescence imaging, tissue and cellular visualization of PD-L1 in tumors, and site-specific modification of anti-PD-L1 antibodies. Sulfo-Cy5 azide has been employed for RNA labeling and imaging. Sulfo-Cy5 azide can be conjugated to targeting agents for fluorescence imaging in atherosclerosis and breast cancer models (Ex/Em = 645/670 nm).

Cyanine5 azide chloride is a potent fluorescent dye. Cyanine5 azide chloride can be reacted with terminal alkynes via a copper-catalyzed click reaction (CuAAC). (λ_ex=646 nm, λ_em=662 nm). It contains an azide group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing alkyne groups. It can also undergo ring strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing DBCO or BCN groups.