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Methoxypolyethylene glycol thiol

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Category	Small-molecule Methoxy Linear PEG (mPEG)
Catalog NO.	BPG-2364
Product Name	Methoxypolyethylene glycol thiol
CAS	134874-49-0
Molecular Formula	(C2H4O)nC3H8OS
Molecular Weight	576.7

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Description	Methoxypolyethylene glycol thiol is a PEG derivative that is used for PEGylation. The thiol group reacts with maleimide, OPSS, vinylsulfone and transition metal surfaces to form conjugates.
Synonyms	Poly(oxy-1,2-ethanediyl), α-(2-mercaptoethyl)-ω-methoxy-; α-Methyl-ω-(2-mercaptoethoxy)poly(oxy-1,2-ethanediyl); mPEG-SH; Polyethylene glycol 2-mercaptoethyl methyl ether; MeO-PEG-SH; Thiopoly(ethylene glycol) monomethyl ether
IUPAC Name	2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanethiol
Canonical SMILES	COCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCS
InChI	InChI=1S/C25H52O12S/c1-26-2-3-27-4-5-28-6-7-29-8-9-30-10-11-31-12-13-32-14-15-33-16-17-34-18-19-35-20-21-36-22-23-37-24-25-38/h38H,2-25H2,1H3
InChIKey	MXDXXEVQFMVAIA-UHFFFAOYSA-N
Purity	>95%
Appearance	Colorless Liquid
Storage	Store at -20°C
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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