(R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-methoxy-5-oxopentanoic acid

Name: (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-methoxy-5-oxopentanoic acid
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CAS No. 1481642-14-1
Cat. No. CS-0162220
Purity≥98%
MDL No.MFCD23381239

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Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
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(R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-methoxy-5-oxopentanoic acid|CS-0162220

Structure of 1481642-14-1

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Description

This fluorenylmethoxycarbonyl-protected amino acid derivative features a chiral (R)-configuration at the alpha carbon, enabling stereoselective peptide synthesis. The C-terminal ketone and methoxy group enhance solubility and reactivity in solution-phase workflows. Designed for use in solid-phase peptide coupling, this stable, bench-ready building block integrates efficiently into complex sequences.

Application

(R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-methoxy-5-oxopentanoic acid serves as a versatile chiral building block for peptide synthesis, enabling efficient incorporation of C-terminal α-amino-γ-keto ester motifs. The fluorenylmethoxycarbonyl (Fmoc) group provides robust protection with orthogonal cleavage under mild basic conditions, while the 5-methoxy-5-oxopentanoyl side chain offers a stable, bench-compatible platform for downstream functionalization via nucleophilic addition or reductive transformation.

General Information

CAS No. 1481642-14-1
Cat. No. CS-0162220
Purity ≥98%
MDL No. MFCD23381239
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₂₁H₂₁NO₆
Molecular Weight 383.39
Synonym(s) D-Glutamic acid, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, 5-methyl ester
SMILES O=C(O)[C@H](NC(OCC1C2=C(C3=C1C=CC=C3)C=CC=C2)=O)CCC(OC)=O

Computational Chemistry Data

TPSA 101.93
LogP 2.9315
H_Acceptors 5
H_Donors 2
Rotatable_Bonds 7

Safety Information

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GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
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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Other Classifications

Building Blocks Functional Group Ester

Building Blocks Skeleton Chiral compounds Chiral Building Blocks

Life Science Amino Acids and their Derivatives Glutamic acid and derivatives

Chemical Biology Peptide Chemistry Amine Protection

Chemical Biology Peptide Chemistry Unnatural Amino Acid Derivatives

Key Words

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(R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-methoxy-5-oxopentanoic acid

CAS No. 1481642-14-1

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