Em 631-760 nm Red

Cy5.5 is a near-infrared fluorescent dye for labeling biomolecules such as peptides, proteins and oligonucleotides (Ex=673 nm, Em=707 nm)[2].

Nile Red (Nile Blue A oxazone) is a strongly fluorescent stain used for the detection of intracellular lipid droplets in the presence of a hydrophobic environment.

DiD perchlorate is a lipophilic cyanine dye.

CY5-N3 (Sulfo-Cyanine5-azide) is an anthocyanin fluorescent dye with azide groups, utilized for cell imaging, tissue imaging, and in vivo imaging.

DDAO is a promising near-infrared (NIR) red fluorescent probe with a long emission wavelength (λem = 656 nm) and a tunable excitation wavelength (600-650 nm). It can be designed for detecting the activities of various enzymes such as β-galactosidase, sulfatase, protein phosphatase 2A, carboxylesterase 2, human albumin, and esterases.

Sulfo-Cy5.5 is a near-infrared fluorescent dye (Ex=673 nm, Em=707 nm) that can be used to label biomolecules such as peptides, proteins, and oligonucleotides [2].

CY5 triethylamine salt is a water-soluble dye, Excitation (nm):649, Emission (nm): 670.

CY5-SE triethylamine salt (Fluorolink Cy5 triethanolamine salt) is a hydrophilic amine-reactive fluorescent probe. It displays excitation emission maxima of 646 662 nm, respectively. Cy5-SE-conjugated ligands have been used in the characterization of hematopoietic tumor microenvironments.

Rf470DL, a rotor-fluorogenic D-amino acid (RfDAA), serves as a bacterial labeling agent, exhibiting an excitation wavelength (Ex) of 470 nm and an emission wavelength (Em) of 640 nm [1].

NIAD-4 is a fluorescent probe that crosses the blood-brain barrier to bind with high affinity to amyloid-β (Aβ) plaques (Ki = 10 nM). It displays excitation emission spectra of 475 625 nm, respectively, with the far-red emission occurring upon binding to Aβ.

CY5-YNE (Sulfo-Cyanine5-alkyne) is a reactive dye used for labeling amino groups in oligonucleotides, peptides, and proteins.

DIBA-Cy5, a fluorescent DIBA antagonist, consists of DIBA-alkyne and Cyanine5 fluorophores (Cy5) linked by a polyethylene glycol (PEG) chain. It functions as a fluorescent ligand for probe attachment via click chemistry, exhibiting high binding affinity to type-2 mAChR (M2R) with a dissociation constant (Kd) of 1.80 nM. Notably, DIBA-Cy5 effectively stains M2R receptors in the sinoatrial node of mouse hearts [1].

HS-131, a near-infrared dye-conjugated Hsp90 inhibitor, effectively identifies oncogene-driven breast cancers across various molecular subtypes.

TFAX 594,SE is a red fluorescent dye that maintains its fluorescence properties across a pH range of 4 to 10. It produces highly intense and photostable conjugates when bound to proteins or antibodies, such as [goat anti-mouse IgG].

BDP 630 650 amine is a far-red luminescent boron dipyridyl fluorophore (λex=630 nm, λem=650 nm) used for labeling various electrophilic compounds.

Oxazine 1 perchlorate is a symmetric cationic dye [λem=666 nm, λex=653 nm].

meso-CF3-BODIPY 2, also known as CF3-substituted Tetramethyl BODIPY, is a fluorescent dye that has an absorption wavelength (λ abs ) of 553 nm and an emission wavelength (λ em ) of 622 nm. This compound is commonly utilized as a labeling reagent and in photodynamic therapy.

610CP is a fluorescent probe for near-IR live-cell super-resolution imaging.

Cyanine 5 Tyramide (Tyramide-Cy5), a red fluorescent dye, acts as a reporter fluorescent substrate in horseradish peroxidase (HRP)-catalyzed deposition, a signal amplification method used in immunoassays and in situ hybridization of nucleic acids.

Cy5-DBCO (DBCO-Sulfo-Cy5) is a near-infrared (NIR) red fluorescent dye (λabs: 646 nm, λem: 670 nm), not suitable for staining intracellular components of permeabilized cells due to potential high background.