Your peptide synthesis needs are important to us. If you would like custom packaging, other special handling conditions, or a quote please send us your request here

For customers in the US and Canada, please specify when ordering:

  • Catalog Number
  • Product Description
  • Quantity
  • Quotation Number
  • Price
  • Account Number



$100 minimum order for US and Canada customers. $200 minimum order for international customers. Net 30 days (for established accounts). Shipping is FOB Tucson, AZ. Freight charges are prepaid and added to the invoice.

Important Note regarding shipments to Canada

Non-hazardous products: Collect shipments of these products are made by FedEx or UPS.
Hazardous products (e.g. Dichloromethane products S-4x4L-DCM and S-4L-DCM): These products are shipped by truck (R&L Carriers).

Return of Materials

Returns are accepted with prior authorization only. Contact PTI Customer Service (800-477-6834 FREE) for return instructions.

To contact the Sales and Support team, please send your request to or call +1 520-629-9626.