AT 488 NHS Ester: Fluorescent Dye

(DB-410702)

AT 488 is a bright green-fluorescent dye that is structurally identical to Atto 488. With its high photostability and pH resistance, it has become one of the most widely used fluorophores in life sciences.


Its hydrophilic nature makes it an ideal choice for labeling sensitive proteins. AT 488 is perfect for a variety of imaging applications, including confocal microscopy, flow cytometry (FACS), and labeling cell cultures and tissues.


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

Package size

Key Parameters: Great brightness and pH stability with lower costs

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

Applications: Confocal microscopy, super resolution microscopy (STED, PALM, dSTORM), flow cytometry (FACS), cell cultures and tissue labeling

Lower cost alternative with protocol compatibility: Same Spectral Properties & Performance = Works exactly like Atto™ 488 with friendly price. Use it as a substitute for Alexa Fluor® 488 or FAM.

Complete Compatibility – Can be used in any existing protocol that uses Atto 488

Pricing

Cat. no.

Quantity

Price

Availability

DB-410702-1MG

1 mg

110 EUR

In stock

DB-410702-5MG

5 mg

308 EUR

In stock

DB-410702-10MG

10 mg

462 EUR

In stock

DB-410702-25MG

25 mg

880 EUR

In stock

DB-410702-50MG

50 mg

1485 EUR

In stock

DB-410702-100MG

100 mg

2200 EUR

In stock

Shipping information

Shipping

Storage

Quality Control

Room Temperature

Up to 24 months in -20 ℃

HPLC (80 %+ purity)

Optical Data of AT 488 NHS Ester

Name

Excitation (nm)

Emission (nm)

Extinction coeficient (ε)

MW (g/mol)

Formula

AT 488 NHS Ester

499

520

90 000

744

C31H32N4O13S2

AT 488 NHS Ester: Absorption and emission spectra

Absorption and emission spectra of AT 488:The absorption and emission spectra of AT 488 NHS Ester visualized. The absorption peak at 499 nm ensures efficient excitation, while the emission peak at 520 nm provides strong fluorescence for high-sensitivity detection. Thanks to its high photostability, excellent pH resistance, and superior brightness, AT 488 is ideal for flow cytometry, confocal microscopy, and labeling of cell cultures and tissues.

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