Hydroxyl/t-Butyl ester PEG reagent, t-Butyl-ester-PEG4-(CH₂)₃OH, Purity 98%

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Cat. No.: X24-03-YW0618

Hydroxyl/t-Butyl ester PEG reagent, t-Butyl-ester-PEG4-(CH₂)₃OH, Purity 98%

Synonym: t-Boc-O-PEG4-(CH₂)₃OH; t-BuO-PEG4-(CH₂)₃OH

Size

100 mg; 250 mg

Price

Datasheet

MSDS

Properties

Description

t-Butyl-ester-PEG4-(CH₂)₃OH is a bifunctional PEG linker featuring a terminal hydroxyl group and a t-butyl-protected carboxyl group. The PEG4 spacer enhances hydrophilicity and solubility in aqueous media, while the t-butyl ester provides stability during synthesis and can be selectively removed under acidic conditions.

Molecular Weight

336.4

Molecular Formula

C₁₆H₃₂O₇

Functional Group 1

Hydroxyl

Functional Group 2

t-Butyl ester

Reactive Group 1

Acid

Reactive Group 2

Nucleophile

Form

Solid

Purity

98%

Identity

Confirmed by NMR.

Applications

t-Butyl-ester-PEG4-(CH₂)₃OH is used in drug delivery, surface modification, and bioconjugation. The terminal hydroxyl allows for further derivatization, and the t-butyl ester deprotection enables site-specific conjugation to form esters or amides in targeted synthesis applications.

Storage

Store at -20°C.

For Research Use Only. Not For Clinical Use.

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