Exclusive Spring Savings: Up to 20% on selected MCE Products: Screening Libraries (20% off); Recombinant Proteins, MCE Kits, Antibodies, Dyes (15% off); Reference Standard Compounds, siRNA Products (10% off); Bulk Sizes & Custom Synthesis (10% off); PLUS: Get a free Signal Pathway poster with every order! These special prices are already discounted – no additional discounts can be applied during the promotion period. Hurry – this limited-time offer ends May 31, 2025!
Product Description: AF 555 NHS ester is a bright, orange-red fluorescence probe. AF 555 NHS ester can be used to label primary amines (R-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. AF 555 exhibits average excitation wavelengths under green laser and red laser of 510 nm and 610 nm, respectively[1][2].