(S)-5-Amino-2-((tert-butoxycarbonyl)amino)pentanoic acid

Name: (S)-5-Amino-2-((tert-butoxycarbonyl)amino)pentanoic acid
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CAS No. 21887-64-9
Cat. No. CS-W012935
Purity≥98%
MDL No.MFCD00076970

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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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(S)-5-Amino-2-((tert-butoxycarbonyl)amino)pentanoic acid|CS-W012935

Structure of 21887-64-9

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General Information

CAS No. 21887-64-9
Cat. No. CS-W012935
Purity ≥98%
MDL No. MFCD00076970
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₀H₂₀N₂O₄
Molecular Weight 232.28
Synonym(s) N-Alpha-(Tert-Butoxycarbonyl)-L-Ornithine
SMILES NCCC[C@@H](C(O)=O)NC(OC(C)(C)C)=O

Description

(S)-5-Amino-2-((tert-butoxycarbonyl)amino)pentanoic acid is a chiral amino acid derivative featuring a protected amine and carboxylic acid functionality. This bench-stable building block integrates seamlessly into peptide synthesis workflows, enabling selective incorporation of lysine analogs with minimal side-reaction risk.

Application

(S)-5-Amino-2-((tert-butoxycarbonyl)amino)pentanoic acid serves as a key chiral building block for the synthesis of bioactive peptides and heterocyclic scaffolds. The Boc-protected amine and carboxylic acid functionalities enable orthogonal handling in peptide coupling workflows, while the aliphatic amino group facilitates diverse transformations. Bench-stable and readily purified by standard chromatographic methods, it supports scalable access to medicinally relevant motifs.

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 : H317
Precautionary Statements : P261-P272-P280-P302+P352-P363-P501

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Computational Chemistry Data

TPSA 101.65
LogP 0.7032
H_Acceptors 4
H_Donors 3
Rotatable_Bonds 5

Key Words

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(S)-5-Amino-2-((tert-butoxycarbonyl)amino)pentanoic acid

CAS No. 21887-64-9

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