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COOH-PEG5-COOMe

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Category	COOH-PEGn-COOMe
Catalog NO.	BPG-1556
Product Name	COOH-PEG5-COOMe
CAS	1309460-30-7
Molecular Formula	C15H28O9
Molecular Weight	352.38

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Description	COOH-PEG5-COOMe is a PEG linker containing a terminal carboxylic acid and a mono-methyl ester functional group. Methyl ester can be hydrolyzed under strongly basic conditions. The carboxylic acid can react with primary amines in the presence of EDC and HATU to form stable amide bonds. The hydrophilic PEG linker increases the water solubility of the compound in aqueous media.
Synonyms	Carboxy-PEG5-mono-methyl ester; Acid-PEG5-mono-methyl ester; 3-Oxo-2,6,9,12,15,18-hexaoxahenicosan-21-oic acid; 4,7,10,13,16-Pentaoxanonadecanedioic acid, 1-methyl ester; Acid-PEG5-Methyl Ester; 4,7,10,13,16-Pentaoxanonadecane-1,19-dioic acid, monomethyl ester
IUPAC Name	3-[2-[2-[2-[2-(3-methoxy-3-oxopropoxy)ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
Canonical SMILES	COC(=O)CCOCCOCCOCCOCCOCCC(=O)O
InChI	InChI=1S/C15H28O9/c1-19-15(18)3-5-21-7-9-23-11-13-24-12-10-22-8-6-20-4-2-14(16)17/h2-13H2,1H3,(H,16,17)
InChIKey	LSGMOHWEFFVQEO-UHFFFAOYSA-N
Boiling Point	469.4±45.0°C (Predicted)
Purity	≥95%
Density	1.151±0.06 g/cm3 (Predicted)
Solubility	Soluble in DCM, 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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