ChemicalBook--->CAS DataBase List--->1662688-20-1

1662688-20-1

1662688-20-1 Structure

1662688-20-1 Structure
IdentificationBack Directory
[Name]

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

1662688-20-1
[Synonyms]

Octa(OtBu)-Glu(ɑ-OtBu)-AEEA-AEEA-OH
Fmoc-L-Lys[Oct-(otBu)-Glu-(otBu)-AEEA-AEEA]-OH
Fmoc-Lys(tBu-OOC-C16-CO-Glu(AEEA-AEEA)-OtBu)-OH
22-(tert-butoxycarbonyl)-43,43-dimethyl-10,19,24,41-tetraoxo-3,6,12,15,42-pentaoxa-9,18,23-triazatetratetracontanoic acid
11,14,20,23-Tetraoxa-2,8,17,26,31-pentaazanonatetracontanedioic acid, 3-carboxy-30-[(1,1-dimethylethoxy)carbonyl]-9,18,27,32-tetraoxo-, 49-(1,1-dimethylethyl) 1-(9H-fluoren-9-ylmethyl) ester,
11,14,20,23-Tetraoxa-2,8,17,26,31-pentaazanonatetracontanedioic acid, 3-carboxy-30-[(1,1-dimethylethoxy)carbonyl]-9,18,27,32-tetraoxo-, 49-(1,1-dimethylethyl) 1-(9H-fluoren-9-ylmethyl) ester, (3S,30S)-
[Molecular Formula]

C64H101N5O16
[MDL Number]

MFCD34563738
[MOL File]

1662688-20-1.mol
[Molecular Weight]

1196.51
Chemical PropertiesBack Directory
[Boiling point ]

1215.5±65.0 °C(Predicted)
[density ]

1.130±0.06 g/cm3(Predicted)
[storage temp. ]

-20°C
[solubility ]

DMSO: Soluble: =10 mg/ml
Ethanol: Soluble: =10 mg/mlPBS (pH 7.2): Slightly soluble: 0.1-1 mg/ml
[form ]

Liquid (Density: 1.130±0.06 g/cm3)
[pka]

3.87±0.21(Predicted)
[color ]

Colorless to light yellow
[InChIKey]

COTQASXXEXJBOM-PJYGOTMFSA-N
[SMILES]

C(OCC1C2=C(C=CC=C2)C2=C1C=CC=C2)(=O)N[C@H](C(O)=O)CCCCNC(=O)COCCOCCNC(=O)COCCOCCNC(=O)CC[C@@H](C(OC(C)(C)C)=O)NC(=O)CCCCCCCCCCCCCCCCC(OC(C)(C)C)=O
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P280-P301+P312-P302+P352-P305+P351+P338
Raw materials And Preparation ProductsBack Directory
[Preparation Products]

Semaglutide
Hazard InformationBack Directory
[Description]

Fmoc-L-Lys[Oct-(otBu)-Glu-(otBu)-AEEA-AEEA]-OH (CAS 1662688-20-1, purity 99%), also known as the semaglutide side chain, is the core building block of the antidiabetic and weight-loss drug semaglutide. Semaglutide is a glucagon-like peptide-1 receptor (GLP-1R) agonist, primarily used for the treatment of type 2 diabetes, chronic weight management and the reduction of the risk of major cardiovascular events. It works by mimicking a natural hormone to suppress appetite, slow digestion and regulate blood glucose levels.
[Uses]

Fmoc-L-Lys[Oct-(otBu)-Glu-(otBu)-AEEA-AEEA]-OH is a useful compound in the chemical research.
[Definition]

Fmoc-L-Lys[Oct-(otBu)-Glu-(otBu)-AEEA-AEEA]-OH is a useful research chemical used in the preparation of semaglutide. Reagent grade, for research purpose.
[References]

[1] IVAN GURYANOV*. Copper(II) Lysinate and Pseudoproline Assistance in the Convergent Synthesis of the GLP-1 Receptor Agonists Liraglutide and Semaglutide[J]. Organic Process Research & Development, 2021, 25 7: 1598-1611. DOI: 10.1021/acs.oprd.1c00021
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