Lot numbers can be found on the outside label of a product:
Fmoc-Asu(OtBu)-OH
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CAS No. 276869-41-1
- Cat. No. CS-0101064
- Purity≥97%
- MDL No.MFCD00080269
*For research and further manufacturing use only, not for direct human use.
Structure of 276869-41-1
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General Information
- CAS No. 276869-41-1
- Cat. No. CS-0101064
- Purity ≥97%
- MDL No. MFCD00080269
- Storage -20°C
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₂₇H₃₃NO₆
- Molecular Weight 467.55
- Synonym(s) None
- SMILES CC(C)(C)OC(CCCCC[C@@H](C(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)=O
Description
Fmoc-Asu(OtBu)-OH is a protected amino acid building block featuring a fluorenylmethoxycarbonyl (Fmoc) group for orthogonal protection and a tert-butyl ester on the side chain. This derivative enables efficient incorporation into peptide chains under standard solid-phase synthesis conditions, offering enhanced solubility and stability during coupling steps.
Application
Fmoc-Asu(OtBu)-OH serves as a key building block in peptide synthesis, enabling the incorporation of side-chain amine-functionalized residues. The Fmoc group provides orthogonal protection for the α-amino function, while the OtBu ester ensures stable protection of the side-chain carboxylate. This derivative facilitates efficient coupling and subsequent selective deprotection under standard conditions, supporting robust backbone elongation and side-chain functionalization in solid-phase peptide synthesis workflows.
Synthesis
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Route1
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868754-95-4 - ~93%
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In-stock
276869-41-1
References
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Ryan, Shannon J.; Zhang, Yongda; Kennan, Alan J. Organic Letters, 2005 , vol. 7, # 21 p. 4765 - 4767
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Route2
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32400-25-2
- ~%
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In-stock
276869-41-1
References
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Organic Letters, , vol. 7, # 21 p. 4765 - 4767
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Route3
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In-stock
146549-21-5 - ~%
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In-stock
276869-41-1
References
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Organic Letters, , vol. 7, # 21 p. 4765 - 4767
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Quality Control
Computational Chemistry Data
- TPSA 101.93
- LogP 5.2705
- H_Acceptors 5
- H_Donors 2
- Rotatable_Bonds 10
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Key Words
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