Biotin-XX free acid (6-((6-((Biotinoyl)amino)hexanoyl)amino)hexanoic acid) can be easily converted to the mixed anhydride form, which is more reactive than the succinimidyl ester and thus can be used to react with aromatic amines or sterically hindered amines.

Biotin-XX is white solid, and with molecular weight is 470. Abbkine supplies below price/size for your choice: $51/20 mg, $378/200 mg.

The Biotin-XX has below features: stable at room temperature.

More Tracer reagent at https://www.abbkine.com/product-category/biochemical/tracer-reagent/.

Abbkine Scientific Co., Ltd. was founded by a number of scientists and marketing experts in the field of life science in California in 2012. With growing demands from Asia Pacific, it move its headquarters to China. Combining cutting edge technology from United States with China's manufacturing engineering and cost advantages, we aim to provide innovative, high quality assay kits, recombinant proteins, antibodies and other research tools to accelerate life science fundamental research, drug discovery, etc.