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Tos-PEG8-O-CH2COOH

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Category Tos-PEGn-CH2COOH
Catalog NO. BPG-3430
Product Name Tos-PEG8-O-CH2COOH
Molecular Formula C25H42O13S
Molecular Weight 582.66
Tos-PEG8-O-CH2COOH
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Product Information

Description Tos-PEG8-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-PEG9-CH2COOH; Tos-PEG8-CH2COOH; 26-(tosyloxy)-3,6,9,12,15,18,21,24-octaoxahexacosanoic acid
IUPAC Name 2-[2-[2-[2-[2-[2-[2-[2-[2-(4-methylphenyl)sulfonyloxyethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]acetic acid
Canonical SMILES CC1=CC=C(S(=O)(OCCOCCOCCOCCOCCOCCOCCOCCOCC(O)=O)=O)C=C1
InChI InChI=1S/C25H42O13S/c1-23-2-4-24(5-3-23)39(28,29)38-21-20-36-17-16-34-13-12-32-9-8-30-6-7-31-10-11-33-14-15-35-18-19-37-22-25(26)27/h2-5H,6-22H2,1H3,(H,26,27)
InChIKey RSQAXWJDDRPJMQ-UHFFFAOYSA-N
Purity ≥95%
Storage Store at 2-8°C

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