TASH Biotechnology, located in Shanghai, China, is dedicated to providing high quality peptides and peptide synthesis services for drug development. We offer a comprehensive selection of custom peptide synthesis services, peptide APIs (as active pharmaceutical ingredients). Catalog of custom peptide service: (1) Standard linear peptide: its chain length reaches to 90 amino acids, the mass is from mg to g, and its purity can reach 99% (2) Modified peptide: N-end acetylation and terminal amidation; lipopeptide; phosphoeptide (Ser, Thr, and Tyr); cyclic peptide (amide cycle and disulfide bond cycle); fluorescence labeling peptide (FAM and FITC); biotin labeling peptide (BIOTIN) and complex antigen peptide (MAP), etc. (4) Protein crosslink: KLH£¬BSA£¬OVA (5) Peptide containing special amino acid: containing D-type amino acid and all kinds of amino acid derivatives. (6) Different purity scopes (coarse peptide, >70%, >80%, >90%, >95%, >98%, >99%). If you have demands on any of peptides, please feel free to tell us. Since we would like to cooperate with you in long term, we could give you our BEST PRICE. Thanks and best regards, Kevin Sun TASH Biotechnology Co., Ltd Email: kevinsun@tashpeptide.com Phone: 0086 21 57471176 MSN: peptide2009@hotmail.com