Fmoc-L-Trp(Boc)-OH

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Fmoc-L-Trp(Boc)-OH (CAS No. 143824-78-6) is a tryptophan derivative protected at both the α-amino group (Fmoc) and the indole nitrogen (Boc), allowing safer handling during Fmoc-SPPS. This protection strategy reduces side reactions and supports the synthesis of GLP-1 peptides, including Semaglutide and Tirzepatide.

• CAS No.: 143824-78-6
• Molecular Formula: C₃₁H₃₀N₂O₆
• Purity: 99% min

• Appearance White to off-white crystalline powder
• Molecular Weight 526.6 g/mol
• Density 1.3 ± 0.1 g/cm³
• Boiling Point N/A
• Melting Point 86–90 °C
• Flash Point N/A
• Packaging 25 kg / fibre drum
• Customs Code 2933990090
• Storage Conditions Store at 2–8 °C in a sealed, dry container protected from light and air
• Production Capacity 1.5 ton/month
• Applications Raw material for GLP-1 peptide synthesis, polypeptides, Semaglutide, and Tirzepatide

• Product Name
  1. Fmoc-Trp(Boc)-OH;
  2. Fmoc-L-Trp(Boc)-OH;
  3. (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[1-[(2-methylpropan-2-yl)oxycarbonyl]indol-3-yl]propanoic acid;
  4. L-Tryptophan,1-[(1,1-dimethylethoxy)carbonyl]-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-;
  5. Na-(((9H-fluoren-9-yl)methoxy)carbonyl)-1-(tert-butoxycarbonyl)-L-tryptophan;
  6. 1-[(1,1-Dimethylethoxy)carbonyl]-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-tryptophan;
  7. (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(1-(tert-butoxycarbonyl)-1H-indol-3-yl)propanoic acid;
  8. 3-[(2S)-2-Carboxy-2-[[[(9H-fluoren-9-yl)methoxy]carbonyl]amino]ethyl]indole-1-carboxylic acid tert-butyl ester