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Tos-PEG11-O-CH4COOH

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Category	Tos-PEGn-CH2COOH
Catalog NO.	BPG-3428
Product Name	Tos-PEG11-O-CH4COOH
Molecular Formula	C31H54O16S
Molecular Weight	714.82

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Description	Tos-PEG11-O-CH4COOH is a PEG linker containing a tosyl group and a terminal carboxylic acid. The tosyl group is a very good leaving group for nucleophilic substitution reactions. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The hydrophilic PEG spacer increases solubility in aqueous media.
Synonyms	Tos-PEG12-CH2COOH; Tos-PEG11-CH2COOH; 35-(tosyloxy)-3,6,9,12,15,18,21,24,27,30,33-undecaoxapentatriacontanoic acid
IUPAC Name	2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(4-methylphenyl)sulfonyloxyethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]acetic acid
Canonical SMILES	CC1=CC=C(S(=O)(OCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCC(O)=O)=O)C=C1
InChI	InChI=1S/C31H54O16S/c1-29-2-4-30(5-3-29)48(34,35)47-27-26-45-23-22-43-19-18-41-15-14-39-11-10-37-7-6-36-8-9-38-12-13-40-16-17-42-20-21-44-24-25-46-28-31(32)33/h2-5H,6-28H2,1H3,(H,32,33)
InChIKey	UFONTLWLKPAQPG-UHFFFAOYSA-N
Purity	≥95%
Storage	Store at 2-8°C

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