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m-PEG5-COOH

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Category	Small-molecule Methoxy Linear PEG (mPEG)
Catalog NO.	BPG-1881
Product Name	m-PEG5-COOH
CAS	81836-43-3
Molecular Formula	C12H24O7
Molecular Weight	280.31

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Description	m-PEG5-COOH is a PEG linker containing a terminal carboxylic acid. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. The hydrophilic PEG spacer increases solubility in aqueous media.
Synonyms	mPEG4-propionic acid; 2,5,8,11,14-Pentaoxaheptadecan-17-oic acid; mPEG4-OC2H4COOH; m-PEG5-acid; mPEG4-CH2CH2COOH; 4,7,10,13,16-Pentaoxaheptadecanoic acid; 2,5,8,11,14-Pentaoxa-17-heptadecanoic Acid; MeO-(CH2CH2O)4-CH2CH2COOH
IUPAC Name	3-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]propanoic acid
Canonical SMILES	COCCOCCOCCOCCOCCC(=O)O
InChI	InChI=1S/C12H24O7/c1-15-4-5-17-8-9-19-11-10-18-7-6-16-3-2-12(13)14/h2-11H2,1H3,(H,13,14)
InChIKey	KTTNUZHOERZAMX-UHFFFAOYSA-N
Boiling Point	393.0±37.0 °C at 760 mmHg
Purity	≥95%
Density	1.107±0.06 g/cm3 (Predicted)
Solubility	Soluble in DCM, DMF, DMSO, Water
Appearance	Pale Yellow or Colorless Oily Liquid
Storage	Store at 2-8°C
Exact Mass	280.1522031
LogP	0.17390

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