Custom Peptides - Going Beyond Industry Capabilities
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Need Modified Peptides? We Can Help.

At Bio-Synthesis we are ready to assist with ALL your custom peptide needs. With over 30 years of experience in peptide synthesis, we are your best choice for producing custom peptides on time and on budget.

Bio-Synthesis Offers a Large Variety of Peptide Modifications:

  • Fluorophores and Quenchers: Emitting and Quenching dyes for FRET and other dyes
  • Attachment Chemistry: Linkers, Spacers and Polyethylene Glycol (PEG) modifications
  • Unnatural Amino Acids: D-stereoisomers, Unnatural and special amino acids
  • Post-translational Modifications (PTMs): Myristoylation, Plmitoylation, Glycosylation, Phosphorylation, Citrullination, Methylation, Succinylation
  • Isotopically Labeled (heavy) Amino Acids: Carbon 13 (C13), Nitrogen 15 (N15) and Deuterium (H2)
  • Immunogen Conjugation: Carrier protein conjugates, Lipids and Nucleic acids
  • Specialty Peptides: Stapled peptides, Cyclization, Dimerization and many others
  • Miscellaneous Modifications: Biotinylation, Carboxymethylation (CAM), Protecting group, Bioconjugation

Bio-Synthesis is a U.S. based biotech company specializing in custom peptide synthesis up to kg quantities. All peptides undergo stringent quality control to ensure product integrity. We offer fast turnaround and competitive prices.

Try out our Peptide Property Calculator for chemical formulas, molecular weights, isoelectric point calculations and more.

Present promo code 06302013 on your next custom peptide quote to receive a special discount. 

Up to 20% Off

* Offer valid May 10 through June 30, 2013.  Contact us today. .

Introduce a colleague to our peptide services and receive an additional 5% discount off your next order through our Colleagues and Friends Referral Program
Contact us now to get your project started!
Where Molecules Come Together
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Toll Free: 800.227.0627 | 1.972.420.8505 (Intl.)
612 E. Main Street, Lewisville, TX 75057 USA
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