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ChemicalBook--->CAS DataBase List--->2055048-43-4

2055048-43-4

2055048-43-4 Structure

2055048-43-4 Structure
IdentificationBack Directory
[Name]

Mal-PEG8-t-butyl ester
[CAS]

2055048-43-4
[Synonyms]

Mal-PEG8-Boc
Mal-PEG8-COOtBu
Mal-PEG8-CH2CH2COOtBu
Mal-PEG8-t-butyl ester
4,7,10,13,16,19,22,25-Octaoxaheptacosanoic acid, 27-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-, 1,1-dimethylethyl ester
[Molecular Formula]

C27H47NO12
[MDL Number]

MFCD30458029
[MOL File]

2055048-43-4.mol
[Molecular Weight]

577.66
Chemical PropertiesBack Directory
[Boiling point ]

625.7±55.0 °C(Predicted)
[density ]

1.144±0.06 g/cm3(Predicted)
[solubility ]

Soluble in Water, DMSO, DMF, DCM
[form ]

Oil
[pka]

-2.34±0.20(Predicted)
[color ]

Colorless to light yellow
Hazard InformationBack Directory
[Description]

Mal-PEG8-t-butyl ester is a PEG linker containing a maleimide group and a t-butyl ester group. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group can be deprotected under acidic conditions. The maleimide group will react with a thiol group to form a covalent bond, enabling the connection of biomolecule with a thiol.
[Uses]

Mal-PEG8-Boc 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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