Fmoc-L-Lys[Oct-(otBu)-γ-Glu-(otBu)-AEEA-AEEA]-OH Manufacturer

Fmoc-L-Lys[Oct-(otBu)-γ-Glu-(otBu)-AEEA-AEEA]-OH

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Designed for Semaglutide synthesis, Fmoc-L-Lys[Oct-(otBu)-γ-Glu-(otBu)-AEEA-AEEA]-OH (CAS No. 1662688-20-1, molecular formula C₆₄H₁₀₁N₅O₁₆) is a highly structured white solid intermediate. It features a combination of Fmoc protection, γ-glutamic acid, AEEA spacers, and octanoyl modifications, ideal for introducing complex side chains with improved solubility and controlled reactivity. This type of Semaglutide intermediste is available in 25 kg fiber drums and requires storage at –20 °C in dry conditions to ensure long-term stability.

CAS No.: 1662688-20-1
Molecular Formula: C₆₄H₁₀₁N₅O₁₆
Purity: 99% min

Product Name
1. Fmoc-L-Lys[Oct-(otBu)-Glu-(otBu)-AEEA-AEEA]-OH;
2. (3S,30S)-3-Carboxy-30-[(1,1-dimethylethoxy)carbonyl]-9,18,27,32-tetraoxo-49-(1,1-dimethylethyl);
3. 1-(9H-fluoren-9-ylmethyl)-11,14,20,23-tetraoxa-2,8,17,26,31-pentaazanonatetracontanedioic acid ester;
4. (23S,50S)-50-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-23-(tert-butoxycarbonyl)-2,2-dimethyl-4,21,26,35,44-pentaoxo-3,30,33,39,42-pentaoxa-22,27,36,45-tetraazahenpentacontan-51-oic acid;
5. (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-6-[[2-[2-[2-[[2-[2-[2-[[(4S)-5-[(2-methylpropan-2-yl)oxy]-4-[[18-[(2-methylpropan-2-yl)oxy]-18-oxooctadecanoyl]amino]-5-oxopentanoyl]amino]ethoxy]ethoxy]acetyl]amino]ethoxy]ethoxy]acetyl]amino]hexanoic acid;
6. (2S)-6-[2-(2-{2-[2-(2-{2-[(4S)-5-(tert-butoxy)-4-[18-(tert-butoxy)-18-oxooctadecanamido]-5-oxopentanamido]ethoxy}ethoxy)acetamido]ethoxy}ethoxy)acetamido]-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoic acid

Appearance White solid

Molecular Weight1196.5 g/mol

Density N/A

Boiling Point N/A

Melting Point N/A

Flash Point N/A

Packaging 25 kg/fibre drum

Storage Conditions –20 °C, dry environment

Production capacity 500 kg/month

Applications Used as an intermediate in the multi-step synthesis of Semaglutide

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