ChemicalBook--->CAS DataBase List--->1239588-09-0

1239588-09-0

1239588-09-0 Structure

1239588-09-0 Structure
IdentificationBack Directory
[Name]

methyl 3-(2-(2-(2-(tosyloxy)ethoxy)ethoxy)ethoxy)propanoate
[CAS]

1239588-09-0
[Synonyms]

Tos-PEG4-methyl ester
Tos-PEG3-C2-methyl ester
methyl 3-(2-(2-(2-(tosyloxy)ethoxy)ethoxy)ethoxy)propanoate
[Molecular Formula]

C17H26O8S
[MDL Number]

MFCD28967602
[MOL File]

1239588-09-0.mol
[Molecular Weight]

390.45
Chemical PropertiesBack Directory
[Boiling point ]

504.8±45.0 °C(Predicted)
[density ]

1.201±0.06 g/cm3(Predicted)
Hazard InformationBack Directory
[Description]

Tos-PEG4-methyl ester is a PEG linker with tosyl and methyl ester moieties. The tosyl group is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG linker increases the water solubility of the compound. Methyl ester can be hydrolyzed under strong basic condition.
[Uses]

Tos-PEG3-C2-methyl ester is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs[1].
[IC 50]

PEGs; Alkyl/ether
[References]

[1] An S, et al. Small-molecule PROTACs: An emerging and promising approach for the development of targeted therapy drugs. EBioMedicine. 2018 Oct;36:553-562 DOI:10.1016/j.ebiom.2018.09.005
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