Tosyl/t-Butyl ester PEG reagent, Tos-PEG2-t-butyl ester, Purity 95%

Synonym: 1309666-78-1; Tos-PEG2-t-butyl ester; Tos-PEG2-Boc; tert-butyl 3-(2-(tosyloxy)ethoxy)propanoate; 2-(2-(tert-butoxycarbonyl)ethoxy)ethyl 4-methylbenzenesulfonate

CAS Number: 1309666-78-1
PubChem CID: 60146215

Size

500 mg; 1 g; 5 g

Price

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Datasheet

Datasheet

MSDS

MSDS

Properties

Description

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

Molecular Weight

344.4

Molecular Formula

C₁₆H₂₄O₆S

Functional Group 1

Tosyl

Functional Group 2

t-Butyl ester

Functional Group 3

None

Reactive Group 1

Nucleophile

Form

Solid

Purity

95%

Identity

Confirmed by NMR.

Applications

Tos-PEG2-t-butyl ester improves the solubility and stability of various biomolecules and thus is used to develop cell-specific drug delivery systems.

Storage

Store at -20°C.

For Research Use Only. Not For Clinical Use.