Wholesale Suppliers

California-based custom peptide synthesis service providing academic and pharmaceutical researchers with high-purity catalog and custom peptides. Specializes in difficult sequences, cyclic peptides, and stapled peptides.

Global leader in life science R&D services and peptide reagents with US headquarters in New Jersey. Offers custom peptide synthesis, protein production, antibody services, and a catalog of 800,000+ research products.

North Carolina-based manufacturer of microwave-assisted peptide synthesis instruments and reagents. Liberty Blue peptide synthesizer is used in leading research institutions globally. Provides SPPS reagents and training.

Canadian specialist in custom synthetic peptide synthesis and analytical chemistry, serving academic and biopharmaceutical clients. Competitively priced peptides with quality assurance across North America.

Illinois-based supplier of specialty amino acids, Fmoc-protected building blocks, peptide synthesis reagents, and fine chemicals for pharmaceutical and peptide research. Serves researchers globally with same-day shipping.

Global life science company providing end-to-end peptide services from R&D to commercial supply, including custom synthesis, bulk raw materials, and catalog peptides. Serves diagnostic, pharma, and biotech sectors.

Division of MilliporeSigma (Merck KGaA) providing over 35,000 catalog peptides and custom synthesis services for pharmaceutical and research applications. Global standard for biochemical reagents and peptide building blocks.

China-based peptide manufacturer and wholesale supplier offering research-grade synthetic peptides for laboratory and in-vitro use. Catalog includes BPC-157, TB-500, CJC-1295, Ipamorelin, GHK-Cu, Epithalon, Tirzepatide, and Retatrutide. All products are third-party tested to ≥99% purity with COA, HPLC, and MS reports. Bulk and wholesale orders only.

US office of Japan-based Peptide Institute, a leading manufacturer of high-purity research peptides and protease inhibitors. Catalog includes 2,000+ peptides used globally in academic and pharmaceutical research.

American peptide company manufacturing and supplying automated peptide synthesizers, laboratory equipment, Fmoc/Boc amino acids, coupling reagents, SPPS resins, and custom peptides from mg to kg scale.

Canadian life science research supplier offering custom peptide synthesis, pharmaceutical peptides, cosmetic peptides, and raw biochemicals. Ships to the US and globally. Over 10 years in peptide services.