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Bis-PEG5-t-butyl ester

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Category	Small-molecule Homobifunctional PEG
Catalog NO.	BPG-2184
Product Name	Bis-PEG5-t-butyl ester
CAS	439114-12-2
Molecular Formula	C22H42O9
Molecular Weight	450.56

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Description	Bis-PEG5-t-butyl ester is a polyethylene glycol (PEG)-based PROTAC linker that can be used in the synthesis of a series of PROTACs.
Synonyms	OtBu-PEG5-OtBu; CH2CH2COOTBU-PEG5-CH2CH2COOTBU; Di-tert-butyl 4,7,10,13,16-pentaoxanonadecane-1,19-dioate; 4,7,10,13,16-Pentaoxanonadecanedioic acid, 1,19-bis(1,1-dimethylethyl) ester; 1,19-Bis(1,1-dimethylethyl) 4,7,10,13,16-pentaoxanonadecanedioate; 4,7,10,13,16-Pentaoxanonadecanedioic acid, bis(1,1-dimethylethyl) ester; 3-[2-[2-[2-[2-(2-tert-Butoxycarbonylethoxy)ethoxy]ethoxy]ethoxy]ethoxy]propionic acid tert-butyl ester
IUPAC Name	tert-butyl 3-[2-[2-[2-[2-[3-[(2-methylpropan-2-yl)oxy]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES	CC(C)(C)OC(=O)CCOCCOCCOCCOCCOCCC(=O)OC(C)(C)C
InChI	InChI=1S/C22H42O9/c1-21(2,3)30-19(23)7-9-25-11-13-27-15-17-29-18-16-28-14-12-26-10-8-20(24)31-22(4,5)6/h7-18H2,1-6H3
InChIKey	RYJCLSVRARTBFI-UHFFFAOYSA-N
Boiling Point	489.0±40.0 °C at 760 mmHg
Purity	≥95%
Density	1.046±0.06 g/cm3 (Predicted)
Appearance	Pale Yellow or Colorless Oily Liquid
Storage	Store at 2-8°C

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