Pricing Inquiry

At Celtek Peptides, we offer highly competitive prices without reducing the quality of our peptide synthesis services. To estimate the cost of your peptide(s), please send your inquiry with amino acid sequences and any modifications/specifications to us for a quick price quotation via the order/quote page on this website. For most peptides, we will email you a pricing quote instantly. For peptides with complicated sequences and modifications, we will review them promptly and send you a pricing quote within 24 hours.

Please be aware that we offer significant price discounts to first-timer customers.  In addition, we often have promotional discounts for our customers. Please contact us for the information.


  1. There is no minimum per order.
  2. We offer custom peptides with various purities: crude(desalted), >70%, >80%, >90%, >95%, & >98%, and, various quantities: such as 5 mg, 10 mg, 20 mg, 30 mg, 50 mg, 100 mg, and up to grams & kilo grams.
  3. The quoted price includes QC reports containing a Certificate of Analysis, HPLC & Mass Spectrometry analyses. For amino acid analysis, sequencing analysis, or other non-regular analyses, additional cost would be applied.
  4. We also provide free consultation for our customers after receiving their peptide products.
  5. There is no set up charge. N-terminal acetylation and C-terminal amidation are free services as well.
  6. Please indicate and specify in your inquiry for
    • large scale peptide synthesis (up to kg);
    • highest purity grade (>99%) peptides;
    • peptides containing more than 45 amino acid residues;
    • modified peptide sequences (such as phosphorylation, biotinylation, fluorescence-labeling, and cyclization).
    • peptides with unusual amino acid sequences or complicated modifications.
    • GMP-grade synthesis
  7. The turnaround time for most peptide syntheses is about 2 weeks.
  8. We offer discounts for bulk orders and large-quantity peptide synthesis orders.

To ask for a price quote, please go to the order/quote page on this website, or call us at 615-567-8037. You can also email us: