Tos-PEG8-COOtBu

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Category	Tos-PEGn-COOtBu
Catalog NO.	BPG-3456
Product Name	Tos-PEG8-COOtBu
Molecular Formula	C28H48O12S
Molecular Weight	608.74

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Custom Synthesis
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Product Information

Description	Tos-PEG8-COOtBu linker bears a t-butyl ester and a tosyl group. The hydrophilic PEG spacer increases the solubility in aqueous media. The carboxyl group protected by tert-butyl can be deprotected under acidic conditions. Tosyl group is a very good leaving group for nucleophilic substitution reaction.
Synonyms	Tos-PEG8-t-butyl ester; Tos-PEG8-Boc; tert-butyl 1-(tosyloxy)-3,6,9,12,15,18,21-heptaoxatetracosan-24-oate
IUPAC Name	tert-butyl 3-[2-[2-[2-[2-[2-[2-[2-(4-methylphenyl)sulfonyloxyethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES	O=C(OC(C)(C)C)CCOCCOCCOCCOCCOCCOCCOCCOS(=O)(C1=CC=C(C)C=C1)=O
InChI	InChI=1S/C28H48O12S/c1-25-5-7-26(8-6-25)41(30,31)39-24-23-38-22-21-37-20-19-36-18-17-35-16-15-34-14-13-33-12-11-32-10-9-27(29)40-28(2,3)4/h5-8H,9-24H2,1-4H3
InChIKey	YXOTXNTWUGBAQM-UHFFFAOYSA-N
Purity	≥95%
Storage	Store at 2-8°C for short term (days to weeks) or -20°C for long term (months to years)

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