Custom Peptide Synthesis Service

Avantor is excited to announce that we are partnering with our top qualified vendor, CHI Scientific Inc., to offer custom peptide synthesis service with numerous options of synthesis platforms, purity levels, modifications, and formats to meet a variety of research needs.

  • Quality: synthesized using pure materials and packaged with sealed vials
  • Lead Time: 2-3 weeks, with rush peptide synthesis available upon request
  • Versatility: a wide range of peptide grades, modifications,scales, and formats, with industry leading 99.3% synthesis success rate
  • Validation: Peptides delivered with MS analysis (Amino Acid Analysis), HPLC report and Certificate of Analysis (COA)
  • Sequence Length: 2-200 amnio acids
  • Purity Levels and Scales: crude to 98%, 1 mg to kgs
  • Modifications: 300+ peptide modifications available
  • Technical Support: dedicated team provides support throughout the complex custom peptide project
  • Competitive Market Pricing

Quote Request Form


  • Custom Peptides: Click the link above to request a Custom Peptide quote on
  • You must be logged in to request a Custom Peptide quote. Click the link above to log in, or to register for a account.
  • You should receive a response to your Custom Peptide Quote request in 24 hours.
  • cGMP Grade Peptides, Peptide Libraries, Special Custom Peptides and Peptide Synthesis Reagents: Please contact your Avantor Sales Representative
  • General Inquiry:
  • Click the link below for a flyer and the available +300 peptide modifications.

More information