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ChemicalBook--->CAS DataBase List--->1621616-14-5

1621616-14-5

1621616-14-5 Structure

1621616-14-5 Structure
IdentificationBack Directory
[Name]

Methylamino-PEG4-t-butylester
[CAS]

1621616-14-5
[Synonyms]

CAS_1621616-14-5
MeNH-PEG4-COOtBu
Methylamino-PEG4-Boc
MeNH-PEG4-CH2CH2COOtBu
Methylamino-PEG4-t-butylester
Methylamino-PEG5-t-butyl ester
tert-Butyl 5,8,11,14-tetraoxa-2-azaheptadecan-17-oate
4,7,10,13-Tetraoxa-16-azaheptadecanoic acid, 1,1-dimethylethyl ester
[Molecular Formula]

C16H33NO6
[MDL Number]

MFCD28155210
[MOL File]

1621616-14-5.mol
[Molecular Weight]

335.44
Chemical PropertiesBack Directory
[Boiling point ]

401.7±35.0 °C(Predicted)
[density ]

1.015±0.06 g/cm3(Predicted)
[solubility ]

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

Liquid
[pka]

9.52±0.10(Predicted)
[color ]

Colorless to light yellow
Hazard InformationBack Directory
[Description]

Methylamino-PEG4-t-butyl ester is a PEG linker containing a methylamine group and a t-butyl ester. The hydrophilic PEG spacer increases solubility in aqueous media. The methylamine group is reactive with carboxylic acids, carbonyls (ketone, aldehyde) etc. The t-butyl protected carboxyl group can be deprotected under acidic conditions.
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