Hydroxyl/t-Butyl ester PEG reagent, Hydroxy-PEG7-t-butyl ester, Purity 98%

Synonym: 2737223-20-8; Hydroxy-PEG7-t-butyl ester; Hydroxy-PEG7-Boc; HO-PEG7-CH₂CH₂COOtBu

CAS Number: 2737223-20-8
PubChem CID: 118796293

Size

500 mg; 1 g; 2 g; 5 g

Price

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Datasheet

Datasheet

MSDS

MSDS

Properties

Description

Hydroxy-PEG7-t-butyl ester is a PEG linker featuring a terminal hydroxyl group and a t-butyl-protected carboxyl group. The PEG7 spacer enhances water solubility and hydrophilicity in aqueous environments. The hydroxyl group provides versatility for chemical modifications, while the t-butyl ester offers acid-labile protection for controlled carboxylic acid activation.

Molecular Weight

454.6

Molecular Formula

C₂₁H₄₂O₁₀

Functional Group 1

Hydroxyl

Functional Group 2

t-Butyl ester

Reactive Group 1

Acid

Reactive Group 2

Nucleophile

Form

Liquid

Purity

98%

Identity

Confirmed by NMR.

Applications

Hydroxy-PEG7-t-butyl ester is widely used in bioconjugation, drug delivery, and material synthesis. Its hydroxyl group supports further functionalization, and the t-butyl ester enables precise carboxyl activation under acidic conditions, making it ideal for creating hydrophilic linkers and functionalized materials in pharmaceutical and biomedical research.

Storage

Store at -20°C.

For Research Use Only. Not For Clinical Use.