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2280998-74-3

2280998-74-3 Structure

2280998-74-3 Structure
IdentificationBack Directory
[Name]

m-PEG11-acid
[CAS]

2280998-74-3
[Synonyms]

m-PEG11-acid
[Molecular Formula]

C24H48O13
[MDL Number]

MFCD27977512
[MOL File]

2280998-74-3.mol
[Molecular Weight]

544.63
Chemical PropertiesBack Directory
[Boiling point ]

599.1±50.0 °C(Predicted)
[density ]

1.113±0.06 g/cm3(Predicted)
[solubility ]

DMSO : 100 mg/mL (183.61 mM; Need ultrasonic)
[form ]

Liquid
[pka]

4.28±0.10(Predicted)
[color ]

Colorless to light yellow
Hazard InformationBack Directory
[Description]

m-PEG11-acid is a PEG linker containing a terminal carboxylic acid. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The hydrophilic PEG spacer increases solubility in aqueous media.
[Biological Activity]

M-PEG11-acid is a non-cleavable ADC linker containing 11-unit PEG, which can be used to synthesize antibody drug conjugates (ADC). m-PEG11-acid is also a PROTAC linker, belonging to the PEG class, which can be used to synthesize PROTAC molecules.
[in vitro]

ADCs are comprised of an antibody to which is attached an ADC cytotoxin through an ADC linker.
PROTACs contain two different ligands connected by a linker; one is a ligand for an E3 ubiquitin ligase and the other is for the target protein. PROTACs exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins.

[target]

PEGs

Non-cleavable

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