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Tos-PEG9-O-CH2COOH

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Category	Tos-PEGn-CH2COOH
Catalog NO.	BPG-3427
Product Name	Tos-PEG9-O-CH2COOH
Molecular Formula	C27H46O14S
Molecular Weight	626.71

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Description	Tos-PEG9-O-CH2COOH 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-PEG10-CH2COOH; Tos-PEG9-CH2COOH; 29-(tosyloxy)-3,6,9,12,15,18,21,24,27-nonaoxanonacosanoic acid
IUPAC Name	2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(4-methylphenyl)sulfonyloxyethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]acetic acid
Canonical SMILES	CC1=CC=C(S(=O)(OCCOCCOCCOCCOCCOCCOCCOCCOCCOCC(O)=O)=O)C=C1
InChI	InChI=1S/C27H46O14S/c1-25-2-4-26(5-3-25)42(30,31)41-23-22-39-19-18-37-15-14-35-11-10-33-7-6-32-8-9-34-12-13-36-16-17-38-20-21-40-24-27(28)29/h2-5H,6-24H2,1H3,(H,28,29)
InChIKey	XSJBZIIYAYLKDL-UHFFFAOYSA-N
Purity	≥95%
Storage	Store at 2-8°C

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