Fmoc-D-β-HoAsp(OtBu)-OH

Name: Fmoc-D-β-HoAsp(OtBu)-OH
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CAS No. 1246651-90-0
Cat. No. CS-0060980
Molecule weight425.47
Purity≥97%
MDL No.None

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
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General Information

CAS No. 1246651-90-0
Cat. No. CS-0060980
Purity ≥97%
MDL No. None
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₂₄H₂₇NO₆
Molecular Weight 425.47
Synonym(s) Fmoc-beta-D-HoAsp(OtBu)-OH
SMILES CC(C)(OC(C[C@@H](NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)CC(O)=O)=O)C

Description

Fmoc-D-β-HoAsp(OtBu)-OH features a D-configured β-hydroxyaspartic acid scaffold with orthogonal protection, enabling efficient incorporation into peptide chains. The Fmoc group facilitates safe, stepwise solid-phase synthesis, while the OtBu ester ensures stability during coupling. This derivative delivers precise control in building complex sequences requiring stereospecific hydroxyl placement.

Application

Fmoc-D-β-HoAsp(OtBu)-OH serves as a key building block for the synthesis of peptidomimetics and constrained peptide architectures. The Fmoc group enables efficient solid-phase peptide synthesis, while the β-hydroxyaspartic acid side chain provides a versatile handle for stereocontrolled derivatization. The OtBu protecting group ensures stability during coupling and deprotection steps, facilitating clean reactions and straightforward purification. This derivative functions reliably in standard SPPS workflows and supports the construction of biologically relevant heterocyclic scaffolds.

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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Computational Chemistry Data

TPSA 101.93
LogP 4.1002
H_Acceptors 5
H_Donors 2
Rotatable_Bonds 7

Other Classifications

Building Blocks Functional Group Fmoc

Building Blocks Functional Group Amine

Building Blocks Functional Group Carboxylic Acid

Building Blocks Functional Group Ester

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Building Blocks Skeleton Chiral compounds Chiral Building Blocks

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Fmoc-D-β-HoAsp(OtBu)-OH

CAS No. 1246651-90-0

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