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Tos-PEG3-t-butyl ester

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Category	Tos-PEGn-COOtBu
Catalog NO.	BPG-0672
Product Name	Tos-PEG3-t-butyl ester
CAS	850090-13-0
Molecular Formula	C18H28O7S
Molecular Weight	388.48

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Description	Tos-PEG2-C2-Boc is a polyethylene glycol (PEG)-based PROTAC linker. Tos-PEG2-C2-Boc can be used in the synthesis of a series of PROTACs.
Synonyms	3-{2-[2-(Toluene-4-sulfonyloxy)-ethoxy]-ethoxy}-propionic acid tert-butyl ester; Tos-PEG3-COOtBu; tert-Butyl 3-(2-(2-(tosyloxy)ethoxy)ethoxy)propanoate; Tos-PEG2-C2-Boc; Tos-PEG2-CH2CH2COOtBu; Propanoic acid, 3-[2-[2-[[(4-methylphenyl)sulfonyl]oxy]ethoxy]ethoxy]-, 1,1-dimethylethyl ester; tert-butyl 3-(2-{2-[(4-methylbenzenesulfonyl)oxy]ethoxy}ethoxy)propanoate; 2-Methyl-2-propanyl 3-[2-(2-{[(4-methylphenyl)sulfonyl]oxy}ethoxy)ethoxy]propanoate
IUPAC Name	tert-butyl 3-[2-[2-(4-methylphenyl)sulfonyloxyethoxy]ethoxy]propanoate
Canonical SMILES	CC1=CC=C(C=C1)S(=O)(=O)OCCOCCOCCC(=O)OC(C)(C)C
InChI	InChI=1S/C18H28O7S/c1-15-5-7-16(8-6-15)26(20,21)24-14-13-23-12-11-22-10-9-17(19)25-18(2,3)4/h5-8H,9-14H2,1-4H3
InChIKey	ATHTXRBMNTZSMB-UHFFFAOYSA-N
Boiling Point	495.2±35.0 °C at 760 mmHg
Purity	>95%
Density	1.159±0.06 g/cm3 (Predicted)
Solubility	Soluble in DMSO
Appearance	Pale Yellow Oily Liquid
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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