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Carboxy-PEG2-sulfonic acid

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Category	Acid-PEGn-sulfonic acid
Catalog NO.	BPG-1057
Product Name	Carboxy-PEG2-sulfonic acid
CAS	1817735-45-7
Molecular Formula	C7H14O7S
Molecular Weight	242.24

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Description	Carboxy-PEG2-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	Propanoic acid, 3-[2-(2-sulfoethoxy)ethoxy]-
IUPAC Name	3-[2-(2-sulfoethoxy)ethoxy]propanoic acid
Canonical SMILES	C(COCCOCCS(=O)(=O)O)C(=O)O
InChI	InChI=1S/C7H14O7S/c8-7(9)1-2-13-3-4-14-5-6-15(10,11)12/h1-6H2,(H,8,9)(H,10,11,12)
InChIKey	BLCMYFITHZNSPX-UHFFFAOYSA-N
Purity	≥95%
Density	1.4±0.1 g/cm3
Solubility	Soluble in DMSO, Water
Storage	Store at 2-8°C for short term (days to weeks) or -20°C for long term (months to years)

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