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1895922-73-2

1895922-73-2 Structure

1895922-73-2 Structure
IdentificationBack Directory
[Name]

Aminooxy-PEG3-bromide
[CAS]

1895922-73-2
[Synonyms]

Aminooxy-PEG3-bromide
Aminooxy-PEG3-bromide HCl salt
[Molecular Formula]

C8H18BrNO4
[MDL Number]

MFCD29764339
[MOL File]

1895922-73-2.mol
[Molecular Weight]

272.14
Chemical PropertiesBack Directory
[Boiling point ]

352.9±32.0 °C(Predicted)
[density ]

1.341±0.06 g/cm3(Predicted)
[solubility ]

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

4.21±0.70(Predicted)
Hazard InformationBack Directory
[Description]

Aminooxy-PEG3-bromide HCl salt is a PEG linker containing an aminooxy group and a bromide group. The hydrophilic PEG spacer increases solubility in aqueous media. The aminooxy group can be used in bioconjugation. It reacts with an aldehyde to form an oxime bond. If a reductant is used, it will form a hydroxylamine linkage. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. Aminooxy compounds are very reactive and sensitive; they cannot be stored for long term. Immediate use (within 1 week) is highly recommended.
[Uses]

Aminooxy-PEG3-bromide is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs[1].
[IC 50]

PEGs
[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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