https://axispharm.com/product/apdye-647-maleimide/ Catalog #: AP12455 Name: APDye Fluor 647 Maleimide Chemical Formula: C46H57N4Na3O15S4 Molecular Weight: 1103.2 Solubility: Water, DMSO, DMF Abs/Em Maxima: 649/671 nm Extinction coefficient: 270,000 cm-1M-1 Spectrally similar dyes: Cy5, DyLight® 649, Purity: ≥98% Availability: In StockAll Rights Reserved