Thiol-PEG4-propionic acid

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Category	Small-molecule Heterobifunctional PEG
Catalog NO.	BPG-1891
Product Name	Thiol-PEG4-propionic acid
CAS	749247-06-1
Molecular Formula	C₁₁H₂₂O₆S
Molecular Weight	282.35

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Description	Thiol-PEG4-acid is a polyethylene glycol (PEG)-based PROTAC linker. Thiol-PEG4-acid can be used in the synthesis of a series of PROTACs.
Synonyms	HS-PEG4-CH2CH2COOH; 1-mercapto-3,6,9,12-tetraoxapentadecan-15-oic acid
IUPAC Name	3-[2-[2-[2-(2-sulfanylethoxy)ethoxy]ethoxy]ethoxy]propanoic acid
Canonical SMILES	C(COCCOCCOCCOCCS)C(=O)O
InChI	InChI=1S/C11H22O6S/c12-11(13)1-2-14-3-4-15-5-6-16-7-8-17-9-10-18/h18H,1-10H2,(H,12,13)
InChIKey	ORLGUGSEJFKLED-UHFFFAOYSA-N
Boiling Point	422.9±45.0 °C at 760 mmHg
Purity	>95%
Density	1.2±0.1 g/cm3
Appearance	Colorless Liquid
Storage	4°C, stored under nitrogen; In solvent, -80°C, 6 months; -20°C, 1 month (stored under nitrogen)

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