Carboxy-PEG9-sulfonic acid

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Category	Acid-PEGn-sulfonic acid
Catalog NO.	BPG-1052
Product Name	Carboxy-PEG9-sulfonic acid
Molecular Formula	C21H42O14S
Molecular Weight	550.59

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Description	Carboxy-PEG9-sulfonic acid is a PEG linker containing a carboxylic acid and a sulfonic acid end group. The terminal carboxylic acid can participate in reactions with primary amines in the presence of activators such as EDC and HATU. Sulfonic acid can undergo esterification, halogenation and replacement reactions. The hydrophilic PEG linker increases the compound's water solubility in aqueous media.
Synonyms	1-sulfo-3,6,9,12,15,18,21,24,27-nonaoxatriacontan-30-oic acid
IUPAC Name	3-[2-[2-[2-[2-[2-[2-[2-[2-(2-sulfoethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
Canonical SMILES	O=C(O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCS(=O)(O)=O
InChI	InChI=1S/C21H42O14S/c22-21(23)1-2-27-3-4-28-5-6-29-7-8-30-9-10-31-11-12-32-13-14-33-15-16-34-17-18-35-19-20-36(24,25)26/h1-20H2,(H,22,23)(H,24,25,26)
InChIKey	GPLCGDQXSCPNJR-UHFFFAOYSA-N
Purity	≥95%
Storage	Store at 2-8°C

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