Watch Our Video: Advantages of Peptides International's Custom Peptide Synthesis & Catalog Products

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Are you looking for a custom synthesis? Peptides International has the expertise to provide exceptionally high quality custom peptide synthesis products to meet your research needs. We aim to deliver quality, cost-effective, custom products in a timely manner. With decades of experience in the industry, we are experts in the synthesis of the most complex and difficult peptides including multiple disulfide bond peptides and peptide macrocycles. We can also provide custom peptidomimetics, peptide derivatives (including labeled peptides), multi-step organic synthesis, post-translational modification, peptide-protein conjugations, unusual amino acid derivatives, custom analytical services, and more. Contact us today to discuss your next custom project. We strive to deliver a price quotation, in most cases, within 24 hours.