Amine PEG reagent, Amino-PEG11-t-butyl ester, Purity 98%

Synonym: 2428400-08-0; Amino-PEG11-t-butyl ester; H₂N-PEG11-CH₂CH₂COOtBu; BP-25641; Tert-Butyl 1-amino-3,6,9,12,15,18,21,24,27,30,33-undecaoxahexatriacontan-36-oate

CAS Number: 2428400-08-0
PubChem CID: 156598915

Size

100 mg; 250 mg; 500 mg; 1 g

Price

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Datasheet

Datasheet

MSDS

MSDS

Properties

Description

Amino-PEG11-t-butyl ester is a versatile linker molecule composed of a hydrophilic PEG spacer, an amino group, and a t-butyl ester moiety. Its structure allows for facile conjugation to various biomolecules and chemical entities.

Molecular Weight

629.8

Molecular Formula

C₂₉H₅₉NO₁₃

Functional Group 1

Amine

Functional Group 2

None

Functional Group 3

None

Reactive Group 1

Carboxylic acid

Reactive Group 2

Carbonyls

Reactive Group 3

NHS

Form

Oil

Purity

98%

Identity

Confirmed by NMR.

Applications

Amino-PEG11-t-butyl ester can be used in bioconjugation reactions to functionalize biomolecules such as proteins, peptides, and oligonucleotides. Its amino group enables coupling with activated carboxylic acids, NHS esters, and carbonyl compounds, while the t-butyl protected carboxyl group offers controlled deprotection under mild acidic conditions, making it a valuable tool in chemical biology and drug delivery applications.

Storage

Store at -20°C

For Research Use Only. Not For Clinical Use.