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ChemicalBook--->CAS DataBase List--->850090-13-0

850090-13-0

850090-13-0 Structure

850090-13-0 Structure
IdentificationBack Directory
[Name]

Tos-PEG3-t-butyl ester
[CAS]

850090-13-0
[Synonyms]

CAS_850090-13-0
Tos-PEG2-C2-Boc
Tos-PEG2-COOtBu
Tos-PEG2-CH2CH2COOtBu
Tos-PEG3-t-butyl ester
tert-butyl 3-(2-(2-(tosyloxy)ethoxy)ethoxy)propanoate
9-(p-toluenesulfonyloxy)-3,6-diocanonanoic acid tert-butyl ester
Propanoic acid, 3-[2-[2-[[(4-methylphenyl)sulfonyl]oxy]ethoxy]ethoxy]-, 1,1-dimethylethyl ester
[Molecular Formula]

C18H28O7S
[MDL Number]

MFCD27635184
[MOL File]

850090-13-0.mol
[Molecular Weight]

388.48
Chemical PropertiesBack Directory
[Boiling point ]

495.2±35.0 °C(Predicted)
[density ]

1.159±0.06 g/cm3(Predicted)
[form ]

Liquid
[color ]

Colorless to light yellow
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P280-P301+P312-P302+P352-P305+P351+P338
Hazard InformationBack Directory
[Description]

Tos-PEG3-t-butyl ester is a PEG linker containing a t-butyl ester and a tosyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group can be deprotected under acidic conditions. The tosyl group is a very good leaving group for nucleophilic substitution reactions.
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