Medchemexpress LLC Cy5 maleimide | 1437796-65-0 | 99.4% | C38H45ClN4O3 | 10MG

Supplier:  Medchemexpress LLC HY13820010MG

Cy5 maleimide is a thiol-reactive Cyanine5 fluorescent reagent for covalent labeling of cysteine residues in proteins and peptides. It delivers red/NIR fluorescence for imaging and fluorescence-based assays, and is supplied as a brown solid with high purity and recommended cold, light-protected storage.

• High purity (99.43%) ensuring consistent labeling performance.
• Thiol-reactive maleimide group for selective cysteine conjugation.
• Red/NIR excitation and emission (Ex 646 nm, Em 664 nm) for multiplexed assays.
• High solubility in DMSO (≈125 mg/mL) for stock solution preparation.
• Stable when stored sealed at -20°C; in solution keep at -80°C for long-term storage.
• Brown solid appearance for easy handling and verification.

Catalog No. 50-002-61994