
Peptide APIs
Synthetic and recombinant peptide active pharmaceutical ingredients across therapeutic classes.
34 productsNorthPeak Bio supplies peptide APIs, pharmaceutical raw materials and synthesis intermediates to pharmaceutical manufacturers, research institutions and industrial partners worldwide. Full documentation and COA available on request.
Every batch is sourced under quality management and documented with analytical data. Supplied for research, laboratory and industrial use only.

Synthetic and recombinant peptide active pharmaceutical ingredients across therapeutic classes.
34 products
Freeze-dried powder formats for stability, transport and downstream formulation.
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Active pharmaceutical ingredients and small-molecule raw materials with full analytical support.
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Protected amino acid derivatives and building blocks for peptide and API synthesis.
16 productsSelected APIs and raw materials. Full list and specifications available upon inquiry. No pricing is published — all supply is quotation-based.
Peptide and small-molecule structures from our catalog. Identity of every supplied batch is confirmed by HPLC and mass spectrometry.
Structures shown for identification purposes. Full structures and analytical data are provided with each quotation.
| Product Name | Category | CAS No. | Purity | Documentation |
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All items are supplied for research, laboratory and industrial use only. Not for human or veterinary use.
Identity and purity verified by HPLC and mass spectrometry (MS) where applicable, with supporting analytical data.
A Certificate of Analysis (COA) is available for each supplied batch upon request, covering identity, purity and key parameters.
Every shipment is linked to its production batch, enabling traceability from order to analytical record.
Materials are sourced from audited manufacturing partners operating under recognized quality systems.
We serve pharmaceutical manufacturers, distributors, research institutions and industrial buyers. All supply is business-to-business and quotation-based.
Volume-based supply of catalog APIs and raw materials with batch documentation.
Sourcing of non-catalog intermediates and building blocks on request.
Packaging and documentation alignment for partner brands.
Temperature-appropriate shipping with tracking to international destinations.
NorthPeak Bio is the pharmaceutical raw materials supply division of Kyoto Baicaosong Traditional Chinese Medicine Research Institute Co., Ltd., a Hong Kong registered company engaged in the sourcing and international trade of pharmaceutical raw materials, peptides and synthesis intermediates.
We work with qualified manufacturing partners and support our clients with documentation, analytical data and consistent batch supply. Our focus is reliable B2B sourcing for pharmaceutical and research customers worldwide.
Tell us the product, CAS number and quantity you require. Our team will follow up with availability, documentation and a quotation.