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Carboxy-PEG4-phosphonic acid

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Category	Acid-PEGn-phosphonic acid
Catalog NO.	BPG-1042
Product Name	Carboxy-PEG4-phosphonic acid
CAS	1623791-69-4
Molecular Formula	C11H23O9P
Molecular Weight	330.27

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Description	Carboxy-PEG4-phosphonic acid is a PEG linker with a carboxylic acid and a phosphonic acid group. The carboxylic acid can react with primary amines in the presence of activators such as EDC and HATU to form stable amide bonds. The hydrophilic PEG chain increases the water solubility of the compound in aqueous media.
Synonyms	1-phosphono-3,6,9,12-tetraoxapentadecan-15-oic acid; 4,7,10,13-Tetraoxa-16-phosphahexadecanoic acid, 16,16-dihydroxy-, 16-oxide; 1,1-Dihydroxy-4,7,10,13-tetraoxa-1-phosphahexadecan-16-oic acid 1-oxide
IUPAC Name	3-[2-[2-[2-(2-phosphonoethoxy)ethoxy]ethoxy]ethoxy]propanoic acid
Canonical SMILES	C(COCCOCCOCCOCCP(=O)(O)O)C(=O)O
InChI	InChI=1S/C11H23O9P/c12-11(13)1-2-17-3-4-18-5-6-19-7-8-20-9-10-21(14,15)16/h1-10H2,(H,12,13)(H2,14,15,16)
InChIKey	HQKHMGCGBQVUTI-UHFFFAOYSA-N
Boiling Point	545.5±60.0°C at 760 mmHg
Purity	≥95%
Density	1.3±0.1 g/cm3
Solubility	Soluble in DMSO
Appearance	Pale Yellow Oily Matter
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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