Fmoc-Gln-OH

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Known for its role in stabilizing peptide structures, Fmoc-Gln-OH (CAS No. 71989-20-3) is a protected glutamine used in Fmoc solid-phase peptide synthesis. Its polar side chain makes it suitable for hydrophilic regions in complex peptides like GLP-1 analogs, including Semaglutide and Tirzepatide. With 99% min purity and high thermal stability, it offers consistent results across synthesis applications.

CAS No.: 71989-20-3
Molecular Formula: C₂₀H₂₀N₂O₅
Purity: 99% min

Appearance White crystalline powder
Molecular Weight 368.4 g/mol
Density 1.3 ± 0.1 g/cm³
Boiling Point 699.8 ± 55.0 °C at 760 mmHg
Melting Point 220 °C (decomposition)
Flash Point 377.1 ± 31.5 °C
Packaging 25 kg / fibre drum
Customs Code 29242990
Storage Conditions Store between 2–8 °C in a dry place, tightly sealed to prevent moisture absorption

Product Name
1. Fmoc-Gln-OH;
2. Fmoc-L-glutamine;
3. Fmoc-L-Gln-OH;
4. Nalpha-Fmoc-L-glutamine;
5. N₂-Fmoc-L-glutamine;
6. (2S)-5-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-5-oxopentanoic acid;
7. (((9H-fluoren-9-yl)methoxy)carbonyl)-L-glutamine;
8. N₂-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-glutamine
Production Capacity 3 ton/month
Applications Raw material for GLP-1 peptide synthesis, polypeptides, Semaglutide, and Tirzepatide

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