Boc-R-3-amino-4-(4-tert-butylphenyl)-butyric acid

Name: Boc-R-3-amino-4-(4-tert-butylphenyl)-butyric acid
Brand: ChemScene
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CAS No. 401916-48-1
Cat. No. CS-0182733
Purity≥97%
MDL No.MFCD03093578

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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+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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Boc-R-3-amino-4-(4-tert-butylphenyl)-butyric acid|CS-0182733

Structure of 401916-48-1

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General Information

CAS No. 401916-48-1
Cat. No. CS-0182733
Purity ≥97%
MDL No. MFCD03093578
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₉H₂₉NO₄
Molecular Weight 335.44
Synonym(s) Boc-(R)-3-Amino-4-(4-tert-butyl-phenyl)-butyric acid
SMILES CC(C)(C1=CC=C(C=C1)C[C@H](CC(O)=O)NC(OC(C)(C)C)=O)C

Description

Boc-R-3-amino-4-(4-tert-butylphenyl)-butyric acid is a sterically hindered, bench-stable amino acid derivative featuring a bulky tert-butyl group that enhances solubility and minimizes side reactions. This protected building block integrates efficiently into peptide synthesis workflows, offering reliable coupling and stability under standard conditions.

Application

Boc-R-3-amino-4-(4-tert-butylphenyl)-butyric acid serves as a versatile chiral building block for the synthesis of bioactive molecules, particularly in peptide and medicinal chemistry. The Boc-protected amine enables straightforward N-terminal functionalization, while the pendant tert-butylphenyl group provides steric bulk and metabolic stability. Its well-defined stereochemistry and bench-stable nature facilitate reliable coupling reactions and purification, making it ideal for constructing complex scaffolds in API development workflows.

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 : H315-H319
Precautionary Statements : P264-P280-P302+P352-P362+P364

Quality Control

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Computational Chemistry Data

TPSA 75.63
LogP 3.8946
H_Acceptors 3
H_Donors 2
Rotatable_Bonds 5

Other Classifications

Building Blocks Functional Group Amine

Building Blocks Functional Group Carboxylic Acid

Building Blocks Skeleton Chiral compounds Chiral Building Blocks

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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Boc-R-3-amino-4-(4-tert-butylphenyl)-butyric acid

CAS No. 401916-48-1

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