Em >761 nm Near infrared

CY7 (Sulfo-Cyanine7) is a fluorescence labeling agent (Ex=750 nm, Em=773 nm). Cy7 is used for labeling oligonucleotides, antibodies, peptides, and proteins.

Indocyanine green (Cardiogreen) is a low toxicic fluorescent agent, is a tricarbocyanine dye,has been widely used in medical diagnostics, such as determining cardiac output, hepatic function, and liver blood flow, and for ophthalmic angiography.

CY7-SE Triethylamine is a fluorescence labeling agent (Ex=700-770 nm,Em=790 nm) used for labeling proteins, peptides, antibodies, and oligonucleotides.

IR-820 (New Indocyanine Green) is a near-infrared dye with improved stability, good color rendering, and excellent fluorescence penetration. It serves as an infrared blood pool contrast agent for detecting and quantifying diseased tissue in live animals, with maximal excitation (Ex) and emission (Em) of 710 and 820 nm, respectively.

Rhodamine 800 is a near-infrared fluorescent dye.

IR-780 Iodide (IR 780 iodide), a near‐infrared fluorescent dye, is used for the exclusive characterization of human CSCs through the HIF‐1α/glycolysis dependent mitochondrial transporter ABCB10's activity.

IR 783 is a heptamethine cyanine fluorescent probe for in vivo imaging of tumor cells. It displays excitation/emission maxima of 776/798 nm, respectively.

Cy7.5 (Cyanine 7.5) is an anthocyanin fluorescent dye that emits near infrared (NIR) fluorescence. Cy7.5 is commonly used for fluorescent protein immunoblotting and live animal imaging.

Cyanine7 NHS ester is a fluorescent probe widely utilized in biomarking and bioimaging applications. It has excitation/emission wavelengths (Ex/Em) of 740/770 nm.

FD-1080 is a fluorophore that exhibits both excitation and emission in the NIR-II region, making it suitable for in vivo imaging.

CH1055 is a synthetic 970-Da NIR-II fluorophore that is rapidly excreted through the kidneys (~90% within 24 hours) and enables targeted molecular imaging of tumors in vivo when conjugated with anti-EGFR Affibody [1].

Pafolacianine (OTL 38) is a near-infrared dye-based fluorescent marker used to identify ovarian cancer lesions during surgeries.

ICG amine, a tricarbocyanine dye, is a near-infrared fluorescent probe that efficiently binds to amino acid residues without the requirement of condensing agents.

Fluorescent polyamine probe-1 (compound 15) is a linear polyamine probe characterized by its high uptake efficiency. It is employed in studying the transport systems into cancer cells [1].

Fluorescent NIR 885 is a dye molecule that can be used in life science related research. The CAS number of Fluorescent NIR 885 is 177194-56-8.

CY7-SE (Sulfo-Cyanine7 Succinimidyl Ester) is a fluorescence labeling agent (Ex=700-770 nm,Em=790 nm) used for labeling proteins, peptides, antibodies, and oligonucleotides.

ICG-carboxylic acid is a fluorescent probe in the near-infrared (NIR) range. It is derived from indocyanine green (ICG), a commonly used fluorescent dye in medical diagnostics. ICG exhibits a peak absorption at 800 nm, allowing it to efficiently absorb energy from near-infrared lasers and release heat within the dyed tissue.

Cyanine7 amine is effective for labeling biomolecules such as proteins, nucleic acids, and cells, facilitating localization, tracking, and detection in various bioanalytical techniques. It provides fluorescent signals for visualization. The excitation/emission wavelengths (Ex/Em) are 750/773 nm.

Janelia Fluor 669, SE (JF669, SE), a red fluorescent dye, reacts directly with thiol-containing HaloTag ligand under mild conditions (DIEA, DMF) to produce a JF669 HaloTag ligand in a single step (Ex = 669 nm; Em = 682 nm).

DTTCI (3,3′-Diethylthiatricarbocyanine iodide), an infrared photographic sensitizing dye, serves as a highly sensitive chiroptical reporter for DNA helicity and sequence [1] [2].

Gd-NMC-3, a bimodal imaging probe, exhibits high resolution and sensitivity for tumor imaging with favorable biocompatibility, demonstrating significant potential for application in near-infrared fluorescence/magnetic resonance (NIRF/MR) imaging [1].

NIR-H2O2 is a cell-permeable near-infrared (NIR) fluorescent turn-on sensor that exhibits a significant turn-on NIR fluorescence signal in response to H2O2 upon excitation in the NIR region.

Cyanine7 DBCO, a water-soluble NIR fluorescent dye with a cycloalkyne moiety [1], offers specific functionalities for advanced research applications.

Cy7.5 maleimide, a CY dye (short for Cyanine), consists of two nitrogen atoms connected by an odd number of methyl units. Cyanine compounds are characterized by long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility, and relatively simple synthesis [1]. CY dyes are often used for labeling proteins, antibodies, and small molecular compounds. For labeling protein antibodies, the combination can be completed through a simple mixing reaction. Below, we introduce the labeling method of protein antibody labeling, which has certain reference significance [2].