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ChemicalBook--->CAS DataBase List--->1530777-90-2

1530777-90-2

1530777-90-2 Structure

1530777-90-2 Structure
IdentificationBack Directory
[Name]

Tos-PEG7-CH2CO2t-butyl ester
[CAS]

1530777-90-2
[Synonyms]

Tos-PEG6-CH2-Boc
Tos-PEG7-CH2CO2tBu
Tos-PEG6-CH2COOtBu
Tos-PEG7-t-butyl acetate
Tos-PEG7-CH2CO2t-butyl ester
3,6,9,12,15,18-Hexaoxaeicosanoic acid, 20-[[(4-methylphenyl)sulfonyl]oxy]-, 1,1-dimethylethyl ester
[Molecular Formula]

C25H42O11S
[MDL Number]

MFCD27977492
[MOL File]

1530777-90-2.mol
[Molecular Weight]

550.66
Chemical PropertiesBack Directory
[form ]

Viscous Liquid
[color ]

Colorless to light yellow
Hazard InformationBack Directory
[Description]

Tos-PEG7-CH2CO2tBu 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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