Our core business is the chemical synthesis of bespoke peptides and the custom production of polyclonal and monoclonal antibodies. As the second oldest peptide company in the world, Cambridge Reseach Biochemicals (CRB) supports discovery worldwide and is dedicated to meeting and exceeding customer requirments. Placing our customers at the heart of everything we do, our clients can enjoy an excellent service tailored to their needs. Our experienced technical staff will work with you, providing quality advice on any of your projects; whether to help design optimum protocols to raise your antibodies or to help you select an appropriate dye for fluorescently labelled peptides. CRB offers technical advice and expertise to develop high quality and high affinity Target™ antibodies to specific protein regions and motifs using peptides and provides antigen design free of charge. For 25 years, CRB have been producing custom polyclonal and monoclonal antibodies often to specific targets such as phosphorylation sites.