About Us

Strength

  • Over 30 years experience

    We have over 30 years experience manufacturing and selling peptide synthesis reagents.

  • Flexible Shipping

    We can use verious shipping methods, such as Fedex, DHL and UPS.Products already in stock will be dispatched within 1-2 working days.

  • High purity products

    Purity criteria is set at high standards at Watanabe Chemical Industries and products with high levels of quality are delivered to our customers.

  • Covers Amino groups and Carboxyl groups

    Ask us anything about amino acids! We cover almost all compounds within amino and carboxyl groups.

Technical strength

The following are our specialties.

Synthesis of amino acids containing various linear alkyl side chain

Synthesis of N-methyl amino acids containing various linear alkyl side chain

Synthesis of substituted phenylalanine derivatives

Synthesis of peptides containing stable isotopes

  • N00476
    H-Glu(Leu[1-13C]-OH)-OH

Production of resins for solid phase synthesis of N-methyl peptide amides

  • A00783
    N-Methyl-PAL-PEG Resin

Production of loading-controlled resins with C-terminal amino acids

Production of fluorescently labeled amino acids

Production of peptide linkers for research of antibody-drug conjugates (ADC)

Production of amino acids for photoaffinity labeling

About Us