FAM isothiocyanate (FITC), 5- and 6-isomers

FAM (5,6)-isothiocyanate, or (5,6)-FITC (CAS 27072-45-3), is an isothiocyanate derivative of fluorescein that reacts with nucleophilic groups such as amino, hydroxyl, and thiol on biomolecules. It is widely used to label antibodies and other probes for various fluorescence-based techniques, including microscopy, flow cytometry, immunofluorescence, immunochemistry, Western blotting, and ELISA.

Key Features:

• Molecular Formula: C21H11NO5S
• Molecular Weight: 389.39 g/mol
• Fluorescence: Excitation at 494 nm, emission at 518 nm.
• Applications: Labeling biomolecules for detection in fluorescence assays.

Handling and Storage:

• Store in a cool, dark place to protect from light and moisture.
• Use gloves and safety glasses when handling to avoid contact.

Let me know if you need more information!

AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.