Watanabe Chemical Industries is a peptide supplier based in Japan. Direct manufacturer. Founded 1947. Key products include Amino Acid Derivatives, Fmoc-amino Acids.
Listing reviewed September 2026.
Japanese manufacturer of amino acid derivatives and peptide building blocks. Supplies high-purity reagents for peptide synthesis including Fmoc-amino acids, resins, and coupling reagents. Serves pharma and research institutions.
Directory assessment: Watanabe Chemical Industries is listed as a supplier in the peptide supply chain, serving Asia markets from Japan. As a direct manufacturer, this supplier controls its own production process from synthesis through purification and quality control release testing. This profile lists 1 source for reference. This supplier has a medium confidence score — verification signals are present, but the listing is newer or less documented; perform standard due diligence before engaging.