Fmoc-Glu(OtBu)-Gly-OH

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Used in Semaglutide synthesis, Fmoc-Glu(OtBu)-Gly-OH (CAS No. 866044-63-5, molecular formula C₂₆H₃₈N₂O₇) serves as a key dipeptide intermediate, offering Fmoc and OtBu protection for efficient chain extension and side chain control. With a predicted boiling point of 748.2 °C and molecular weight of 482.5 g/mol, it is supplied as a white or off-white solid in 25 kg fibre drums. To ensure product integrity, it must be stored in a sealed container at 2–8 °C.

CAS No.: 866044-63-5
Molecular Formula: C₂₆H₃₈N₂O₇
Purity: 99% min

Appearance White or off-white solid
Molecular Weight 482.5 g/mol
Density N/A
Boiling Point 748.2 ± 60.0 °C (Predicted)
Melting Point N/A
Flash Point N/A
Packaging 25 kg/fibre drum
Storage Conditions Store sealed in a refrigerator at 2–8 °C
Production Volume per Batch 50 kg
Production Cycle 12 days

Product Name
1. Fmoc-Glu(OtBu)-Gly-OH;
2. 2-[(2S)-5-(tert-butoxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-oxopentanamido]acetic acid;
3. (S)-2-(2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-(tert-butoxy)-5-oxopentanamido)acetic acid
Production capacity 500 kg/month
Applications Intermediate for Semaglutide peptide synthesis

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