Tosyl/t-Butyl ester PEG reagent, Tos-PEG11-t-butyl ester, Purity 98%

Synonym: Tos-PEG10-CH₂CH₂COOtBu; 778596-20-6; Tos-PEG11-t-butyl ester; tert-butyl 3-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(4-methylphenyl)sulfonyloxyethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate

CAS Number: 778596-20-6
PubChem CID: 11274161

Size

100 mg; 250 mg; 500 mg; 1 g

Price

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Datasheet

Datasheet

MSDS

MSDS

Properties

Description

Tos-PEG11-t-butyl ester 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

740.9

Molecular Formula

C₃₄H₆₀O₁₅S

Functional Group 1

Tosyl

Functional Group 2

t-Butyl ester

Functional Group 3

None

Reactive Group 1

Nucleophile

Form

Oil

Purity

98%

Solubility

DMSO, DCM, DMF

Identity

Confirmed by NMR.

Applications

Tos-PEG11-t-butyl ester plays a role in the manufacture of multifunctional polymers that are used in drug delivery systems, utilizing their amphiphilic nature to form biomaterials with controlled release properties.

Storage

Store at -20°C.

For Research Use Only. Not For Clinical Use.