H-Asp(OtBu)-OtBu.HCl

Name: H-Asp(OtBu)-OtBu.HCl
Brand: ChemScene
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CAS No. 1791-13-5
Cat. No. CS-W014007
Purity≥97%
MDL No.MFCD00034851

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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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General Information

CAS No. 1791-13-5
Cat. No. CS-W014007
Purity ≥97%
MDL No. MFCD00034851
Storage 4°C, sealed storage, away from moisture
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₂H₂₄ClNO₄
Molecular Weight 281.78
Synonym(s) None
SMILES O=C(OC(C)(C)C)[C@@H](N)CC(OC(C)(C)C)=O.[H]Cl

Description

H-Asp(OtBu)-OtBu.HCl features a fully protected aspartic acid side chain and alpha-amino group, enabling direct incorporation into peptide syntheses without premature deprotection. The tert-butyl ester moieties provide exceptional stability under standard coupling conditions, while the hydrochloride salt enhances solubility in organic solvents. This derivative streamlines sequence assembly in solid-phase peptide synthesis workflows.

Application

H-Asp(OtBu)-OtBu·HCl serves as a stable, bench-ready building block for peptide synthesis, enabling efficient incorporation of N-terminal protected aspartic acid residues. The OtBu protecting groups provide excellent stability and orthogonal deprotection compatibility, facilitating straightforward purification and high-yielding coupling reactions in solid-phase and solution-phase 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 : 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

Quality Control

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Computational Chemistry Data

TPSA 78.62
LogP 1.809
H_Acceptors 5
H_Donors 1
Rotatable_Bonds 3

Other Classifications

Bioactive Molecules Peptides

Life Science Amino Acids and their Derivatives Aspartic acid and derivatives

Life Science Amino Acids and their Derivatives C-protected amino acid

Chemical Biology Pharmaceutical Development and Drug Discovery Research Peptide Chemistry Amino Acid Derivatives

Chemical Biology Pharmaceutical Development and Drug Discovery Research Reagents Peptide Chemistry Amino Acid Derivatives

Chemical Biology Peptide Chemistry Unnatural Amino Acid Derivatives

Biochemistry Biochemicals and Reagents Amino Acids C-ProtectedAmino Acids

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H-Asp(OtBu)-OtBu.HCl

CAS No. 1791-13-5

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