Tosyl/t-Butyl-protected carboxyl PEG reagent, Tos-PEG2-CH₂CO₂tBu, Purity 98%

Synonym: Tos-PEG2-CH₂CO₂tBu; 1643957-24-7; Tos-PEG1-CH₂-Boc; tert-Butyl 2-[2-(tosyloxy)ethoxy]acetate; tert-butyl 2-(2-(tosyloxy)ethoxy)acetate

CAS Number: 1643957-24-7
PubChem CID: 57802512

Size

250 mg; 500 mg; 1 g; 2 g

Price

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Datasheet

Datasheet

MSDS

MSDS

Properties

Description

Tos-PEG2-CH₂CO₂tBu is a reagent grade PEG linker with a tosyl group and a t-butyl ester. The PEG spacer increases water solubility. Under acidic conditions, the t-butyl-protected carboxyl group is deprotected. The tosyl group is used for nucleophilic substitution reactions.

Molecular Weight

330.4

Molecular Formula

C₁₅H₂₂O₆S

Functional Group 1

Tosyl

Functional Group 2

t-Butyl protected carboxyl

Functional Group 3

None

Reactive Group 1

Nucleophile

Form

Liquid

Purity

98%

Identity

Confirmed by NMR.

Applications

Tos-PEG2-CH₂CO₂tBu is often utilized in drug delivery systems due to its ability to enhance solubility and stability while providing sites for further modification, such as attaching therapeutic agents or targeting moieties.

Storage

Store at -20°C.

For Research Use Only. Not For Clinical Use.

Tosyl/t-Butyl-protected carboxyl PEG reagent, Tos-PEG2-CH2CO2tBu, Purity 98%

Tosyl/t-Butyl-protected carboxyl PEG reagent, Tos-PEG2-CH₂CO₂tBu, Purity 98%