Cyanine 7 NHS Ester: Fluorescent Dye

(DB-411602)

Cyanine 7 is a water-soluble near-infrared (NIR) fluorescent dye that is structurally identical to sulfo-Cy7. With its high extinction coefficient and emission at 773 nm, it reaches far beyond the limits of standard visible fluorophores.


Because NIR light is only weakly absorbed and scattered by biological tissues, Cyanine 7 offers excellent deep-tissue penetration with minimal background autofluorescence. Its sulfonated, hydrophilic nature makes it an ideal choice for labeling sensitive proteins. Cyanine 7 is perfect for a variety of applications, including in vivo small animal imaging, deep-tissue imaging, and near-infrared Western blotting.


The NHS Ester is an amine-reactive dye: It can label amine groups in proteins, peptides, amino-modified oligos, and other target molecules.

Fluorescence microscopy image of cells stained with Cyanine 7

Package size

Fluorescence microscopy image of cells stained with Cyanine 7

Key Parameters: Upgrade your in vivo assays with deep-tissue NIR imaging and lower costs

NHS Ester: label amine groups in proteins, peptides or amino-modified oligos

Applications: In vivo small animal imaging, deep-tissue imaging, near-infrared Western blotting, and cell/tissue labeling

Lower Cost Alternative: Same Spectral Properties & Performance – Works exactly like sulfo-Cy7 with friendly price.

Complete Compatibility – Can be used in any existing protocol that uses sulfo-Cy7

Pricing

Cat. no.

Quantity

Price

Lead Time

DB-411602-1MG

1 mg

Upon Request

1–2 days (CZ) / within 7 days (EU)

DB-411602-5MG

5 mg

Upon Request

1–2 days (CZ) / within 7 days (EU)

DB-411602-10MG

10 mg

Upon Request

1–2 days (CZ) / within 7 days (EU)

DB-411602-25MG

25 mg

Upon Request

1–2 days (CZ) / within 7 days (EU)

DB-411602-50MG

50 mg

Upon Request

1–2 days (CZ) / within 7 days (EU)

DB-411602-100MG

100 mg

Upon Request

1–2 days (CZ) / within 7 days (EU)

Shipping information

Shipping

Storage

Quality Control

Room Temperature

Up to 24 months in -20 ℃

HPLC (98 %+ purity)

Optical Data of Cyanine 7 NHS Ester

Name

Excitation (nm)

Emission (nm)

Extinction coefficient (ε)

MW (g/mol)

Formula

Expected mass added after conjugation (g/mol)

Cyanine 7 NHS Ester

750

773

240 600

844.05

C41H46N3KO10S2

690.9

Cyanine 7 NHS Ester: Absorption and emission spectra

Absorption and emission spectra of Cyanine 7 fluorescent dye
Absorption and emission spectra of Cyanine 7:The absorption and emission spectra of Cyanine 7 NHS Ester visualized. The absorption peak at 750 nm ensures efficient excitation with standard NIR light sources, while the emission peak at 773 nm provides strong near-infrared fluorescence for high-sensitivity detection. Thanks to its high extinction coefficient, excellent water solubility, and emission in the tissue-transparent NIR window, Cyanine 7 is ideal for in vivo imaging, deep-tissue imaging, and near-infrared Western blotting.

Place your order

I agree to the Terms and Conditions

Related products

Customers who explored this product also showed interest in:

Fluorescence microscopy image of cells stained with fluorescent dyes

Our fluorescent dyes offer exceptional brightness, photostability, and versatility for your research. With identical structure to Alexa Fluor, Atto or Cy dyes, they provide the same spectral properties, quality, and reliability for a wide range of fluorescence-based applications. Whether you need precise antibody labeling, confocal and super resolution microscopy or sensitive flow cytometry detection, our fluorescent dyes ensure complete compatibility with existing protocols.

Chemical structure of Cyanine 7 over a fluorescence microscopy image

Cyanine 7 is a water-soluble near-infrared (NIR) fluorescent dye that is structurally identical to sulfo-Cy7. With its high extinction coefficient and emission deep in the near-infrared region, it has become one of the most widely used fluorophores for in vivo imaging. Cyanine 7 is perfect for a variety of applications, including in vivo small animal imaging, deep-tissue imaging, and near-infrared Western blotting.

Fluorescence microscopy image of cells stained with Cyanine 5.5

Cyanine 5.5 is a near infrared (NIR) fluorescent dye that is structurally identical to Cy5.5. Known for its exceptionally high extinction coefficient and emission in the NIR spectrum, it is a premier choice for researchers needing to push beyond the limits of standard visible fluorophores. With the NHS Ester you can label amine groups in proteins, peptides, amino-modified oligos, and other target molecules.

Fluorescence microscopy image of cells stained with Cyanine 5

Cyanine 5 is a far-red fluorescent dye that is structurally identical to Cy5. With its high photostability and quantum yield for single-molecule applications, it has become one of the most widely used fluorophores in life sciences. Cyanine 5 is perfect for a variety of imaging applications, including confocal microscopy, flow cytometry (FACS), and labeling cell cultures and tissues. With the NHS Ester you can label amine groups in proteins, peptides, amino-modified oligos, and other target molecules.

Fluorescence microscopy image of tissue stained with AF 700

AF 700 NHS Ester is near-infrared fluorescent dye that is structurally identical to Alexa Fluor 700. Its excellent photostability and low background fluorescence make it well suited for multicolor flow cytometry and other fluorescence-based applications. AF 700 is excited by standard 633-640 nm red lasers and enables sensitive detection while preserving visible-spectrum channels for multiplex experiments.

DIANA Biotechnologies | OEM Partnership

Looking for an OEM partner?

Contact icon

Contact our OEM Team

[email protected]