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Tetraethylene glycol bis(p-toluenesulfonate)

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Category	Small-molecule Homobifunctional PEG
Catalog NO.	BPG-2268
Product Name	Tetraethylene glycol bis(p-toluenesulfonate)
CAS	37860-51-8
Molecular Formula	C22H30O9S2
Molecular Weight	502.60

Tetraethylene glycol bis(p-toluenesulfonate)

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Description	Tetraethylene glycol bis(p-toluenesulfonate) is a polyethylene glycol (PEG)-based PROTAC linker that can be used in the synthesis of a series of PROTACs.
Synonyms	Tos-PEG5-Tos; Tos-PEG4-Tos; ((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) bis(4-Methylbenzenesulfonate); Tetraethylene glycol ditosylate; Tetraethylene Glycol Di-p-tosylate; Tetraethylene Glycol Bis(p-toluenesulfonate); 2,2'-(Ethylenedioxy)triethyl ditosylate; 1,11-Bis(tosyloxy)-3,6,9-trioxaundecane; Bis[2-(2-tosyloxyethoxy)ethyl] Ether; Bis[2-[2-(p-toluenesulfonyloxy)ethoxy]ethyl] Ether; Ethanol, 2,2'-[oxybis(2,1-ethanediyloxy)]bis-, bis(4-methylbenzenesulfonate)
IUPAC Name	2-[2-[2-[2-(4-methylphenyl)sulfonyloxyethoxy]ethoxy]ethoxy]ethyl 4-methylbenzenesulfonate
Canonical SMILES	CC1=CC=C(C=C1)S(=O)(=O)OCCOCCOCCOCCOS(=O)(=O)C2=CC=C(C=C2)C
InChI	InChI=1S/C22H30O9S2/c1-19-3-7-21(8-4-19)32(23,24)30-17-15-28-13-11-27-12-14-29-16-18-31-33(25,26)22-9-5-20(2)6-10-22/h3-10H,11-18H2,1-2H3
InChIKey	SLAONPBUWDUSSO-UHFFFAOYSA-N
Boiling Point	635.0±55.0°C (Predicted)
Melting Point	65-69°C
Purity	>95%
Density	1.242 g/mL at 25°C
Solubility	10 mM in DMSO
Appearance	Colorless to Yellow Clear Liquid
Storage	Store at 2-8°C
Exact Mass	502.13312488
LogP	4.62560
Pictogram(s)	Irritant
Signal	Warning
Precautionary Statement Codes	P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

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