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ChemicalBook--->CAS DataBase List--->1345337-28-1

1345337-28-1

1345337-28-1 Structure

1345337-28-1 Structure
IdentificationBack Directory
[Name]

Tos-PEG9-t-butyl ester
[CAS]

1345337-28-1
[Synonyms]

Tos-PEG9-Boc
Tos-PEG8-CH2CH2COOtBu
Tos-PEG9-t-butyl ester
4,7,10,13,16,19,22,25-Octaoxaheptacosanoic acid, 27-[[(4-methylphenyl)sulfonyl]oxy]-, 1,1-dimethylethyl ester
[Molecular Formula]

C30H52O13S
[MDL Number]

MFCD30458056
[MOL File]

1345337-28-1.mol
[Molecular Weight]

652.79
Chemical PropertiesBack Directory
[Boiling point ]

677.8±55.0 °C(Predicted)
[density ]

1.142±0.06 g/cm3(Predicted)
[solubility ]

Soluble in DMSO, DCM, DMF
Hazard InformationBack Directory
[Description]

Tos-PEG9-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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