Tos-PEG1-COOtBu

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Category	Tos-PEGn-COOtBu
Catalog NO.	BPG-3462
Product Name	Tos-PEG1-COOtBu
Molecular Formula	C14H20O5S
Molecular Weight	300.37

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Product Information

Description	Tos-PEG1-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-PEG1-t-butyl ester; Tos-PEG1-Boc; tert-butyl 3-(tosyloxy)propanoate
IUPAC Name	tert-butyl 3-(4-methylphenyl)sulfonyloxy propanoate
Canonical SMILES	O=C(OC(C)(C)C)CCOS(=O)(C1=CC=C(C)C=C1)=O
InChI	InChI=1S/C14H20O5S/c1-11-5-7-12(8-6-11)20(16,17)18-10-9-13(15)19-14(2,3)4/h5-8H,9-10H2,1-4H3
InChIKey	KMTZUEAXKHHWLW-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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