Biotin-PEO4-maleimide is a water soluble biotin derivative that can be readily coupled to thiols.
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CF® Dye & Biotin SE Protein Labeling Kits
Kits for succinimidyl ester labeling antibodies or other proteins with Biotium's next-generation CF® dyes or biotin. 3 x 1 mg labeling reactions per kit.
A high quality biotin-binding protein conjugated to Biotium's signature bright and photostable fluorescent CF® dyes, and a selection of other labels.
Anhydrous DMSO (dimethyl sulfoxide; methyl sulfoxide) is recommended for preparing stock solutions of AM ester dyes, reactive dyes and other related moisture-sensitive products.