Our peptides are manufactured in our own laboratories in Marlborough, Massachusetts for complete quality control and rapid turnaround! Talk to our PhD-scientists who have come from academia and industry and can provide innovative ideas, collaborative programs, and state of the art thinking. Click here to learn more about 21st Century Biochemicals.
Custom Antibodies


Phosphospecific Antibodies
Complete phosphospecific antibody service from peptide to purified antibody is only $2,495 - with free peptide sequencing. Why settle for just simple mass analysis?  

21st Century Biochemicals Named to the Inc 5000 List of Fastest Growing US Companies!

Cell Permeable Peptides
Read about how to disrupt protein-protein interaction, introduce peptides into cells, and more!

2008-2009 Scientific Conferences
Come and speak with our scientists!


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