ChemGenes Corporation, a biotechnology company, recently relocated to a state of the art facility in Wilmington, Massachusetts. We have consistently been a strong partner to researchers engaged in the field of DNA/RNA synthesis for 23 years. By starting out as a supplier of 'Ultra Pure Products' and then also by becoming an active Contract Researcher, ChemGenes Corporation has achieved unparalleled expertise in the field of DNA/RNA synthesis. Thus, all of us at ChemGenes have the opportunity and great pleasure to serve a vast number of scientists in the US and all over the world.ChemGenes' product lines include phosphoramidites for RNA and DNA synthesis, Antisense phosphoramidites, modified bases for DNA, as well as RNA modification. In addition, we produce a variety of modified phosphoramidites for the introduction of chromophores and ligands. The availability of prepacked disposable columns of various pore sizes, loadings, low volume columns, ancillary reagents in configurations suitable for each synthesizer, and DNA purification cartridges is another way ChemGenes meets its customers needs.A large variety of Reagents for the synthesis of DNA/RNA are also available, which include many natural and modified nucleoside bases, tetrazole, 5-thioethyltetrazole, DMT-chloride, DMT protected deoxy and ribo nucleosides, 2'-O-methyl and 2'-O-propargyl nucleosides, silyl protected ribonucleosides, several types of phosphorylating reagents, and many more.