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Tos-PEG3-alcohol

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Category	Small-molecule Heterobifunctional PEG
Catalog NO.	BPG-1922
Product Name	Tos-PEG3-alcohol
CAS	77544-68-4
Molecular Formula	C₁₃H₂₀O₆S
Molecular Weight	304.36

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Description	Tos-PEG3 is a polyethylene glycol (PEG)-based PROTAC linker. Tos-PEG3 can be used in the synthesis of a series of PROTACs.
Synonyms	PEG3-Tos; 2-(2-(2-Hydroxyethoxy)ethoxy)ethyl 4-methylbenzenesulfonate
IUPAC Name	2-[2-(2-hydroxyethoxy)ethoxy]ethyl 4-methylbenzenesulfonate
Canonical SMILES	CC1=CC=C(C=C1)S(=O)(=O)OCCOCCOCCO
InChI	InChI=1S/C13H20O6S/c1-12-2-4-13(5-3-12)20(15,16)19-11-10-18-9-8-17-7-6-14/h2-5,14H,6-11H2,1H3
InChIKey	RSUCRUOTLCQWFX-UHFFFAOYSA-N
Boiling Point	460.0±35.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Solubility	In Ethanol: 100 mg/mL (328.56 mM; Need ultrasonic) In DMSO: 100 mg/mL (328.56 mM; Need ultrasonic and warming) In H2O: 10 mg/mL (32.86 mM; Need ultrasonic)
Appearance	Liquid
Storage	Pure form, -20°C, 3 years; 4°C, 2 years; In solvent, -80°C, 6 months; -20°C, 1 month

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