(DB-410503)
AF 555 Carboxylic Acid is a bright green-fluorescent dye that is structurally identical to Alexa Fluor 555. 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. AF 555 is perfect for a variety of imaging applications, including confocal microscopy, flow cytometry (FACS), and labeling cell cultures and tissues.
AF 555 Carboxylic Acid is a non-reactive Alexa Fluor 555 dye used as a reference standard or for labeling peptides and proteins. Its carboxyl group can be activated (e.g., sulfo-NHS, TFP) or modified via carbodiimide chemistry for conjugation to amino groups. It’s commonly used in solid-phase peptide synthesis with activators like HATU.
Package size
Key Parameters: Great brightness and pH stability with lower costs
Carboxylic Acid: Ideal as a reference standard or for further synthesis
Applications: Confocal Microscopy, Super Resolution Microscopy, Flow Cytometry (FACS), cell cultures and tissue labeling
Lower Cost Alternative: Same Spectral Properties & Performance – Works exactly like Alexa Fluor 555 with friendly price.
Complete Compatibility – Can be used in any existing protocol that uses Alexa Fluor 555
Pricing
Cat. no. | Quantity | Price | Availability |
|---|---|---|---|
DB-410503-1MG | 1 mg | 105 EUR | In stock |
DB-410503-5MG | 5 mg | 315 EUR | In stock |
DB-410503-10MG | 10 mg | 590 EUR | In stock |
DB-410503-25MG | 25 mg | 1025 EUR | In stock |
DB-410503-50MG | 50 mg | 1740 EUR | In stock |
DB-410503-100MG | 100 mg | 3250 EUR | In stock |
Shipping information
Shipping | Storage | Quality Control |
|---|---|---|
Room Temperature | Up to 24 months in -20 ℃ | HPLC (80 %+ purity) |
Optical Data of AF 555 Carboxylic Acid
Name | Excitation (nm) | Emission (nm) | Extinction coeficient (ε) | MW (g/mol) | Formula |
|---|---|---|---|---|---|
AF 555 Carboxylic Acid | 552 | 566 | 152 000 | 744 | C31H32N4O13S2 |
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