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ChemicalBook--->CAS DataBase List--->81836-43-3

81836-43-3

81836-43-3 Structure

81836-43-3 Structure
IdentificationBack Directory
[Name]

MPEG4-CH2CH2COOH
[CAS]

81836-43-3
[Synonyms]

m-PEG5-COOH
m-PEG5-acid
Methyl-PEG4-acid
MPEG4-CH2CH2COOH
mPEG4-propionic acid
4,7,10,13,16-Pentaoxaheptadecanoic acid
2,5,8,11,14-pentaoxaheptadecan-17-oic acid
[Molecular Formula]

C12H24O7
[MDL Number]

MFCD20926398
[MOL File]

81836-43-3.mol
[Molecular Weight]

280.31
Chemical PropertiesBack Directory
[Boiling point ]

393.0±37.0 °C(Predicted)
[density ]

1.107±0.06 g/cm3(Predicted)
[solubility ]

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

Liquid
[pka]

4.28±0.10(Predicted)
[color ]

Light yellow to light brown
Hazard InformationBack Directory
[Description]

m-PEG5-acid is a PEG linker containing a terminal carboxylic acid. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. The hydrophilic PEG spacer increases solubility in aqueous media.
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