Reagents & Building Blocks Suppliers

Suppliers of amino acid derivatives, resins, coupling reagents, linkers, and other building blocks for peptide synthesis and chemical research. Fmoc-protected amino acids with side-chain protecting groups form the fundamental building blocks for SPPS, with specifications per Ph.Eur. and USP monographs including identity testing, chiral purity, and impurity limits. Common coupling reagents include HBTU, HATU, HCTU, DIC/HOBt, and PyBOP for amide bond formation. Solid supports range from Wang resin and Rink amide resin for linear peptides to 2-chlorotrityl chloride resin for protected peptide fragments. In-process controls on starting materials include tests for residual solvents, elemental impurities per ICH Q3D, and enantiomeric purity. Showing 48 listed suppliers.

Our directory lists suppliers offering reagents & building blocks services across Global, Europe, Asia, North America regions. Supplier types include CDMO, Chemical Supplier, Bulk Wholesale, Research Supplier, Wholesale, Retail Research Peptides, Manufacturer, Life Science Supplier, Supplier. Browse individual profiles below for detailed capability information, manufacturing standards, and quality documentation.

Directory listing last reviewed July 2026.