m-PEG2-COOH

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Category	m-PEGn-acid
Catalog NO.	BPG-0508
Product Name	m-PEG2-COOH
CAS	149577-05-9
Molecular Formula	C6H12O4
Molecular Weight	148.16

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Description	m-PEG2-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	Propanoic acid, 3-(2-methoxyethoxy)-; m-PEG2-acid; mPEG1-OCH2CH2COOH; MeOCH2CH2OCH2COOH; methoxy-PEG1-Propionic acid
IUPAC Name	3-(2-methoxyethoxy)propanoic acid
Canonical SMILES	COCCOCCC(=O)O
InChI	InChI=1S/C6H12O4/c1-9-4-5-10-3-2-6(7)8/h2-5H2,1H3,(H,7,8)
InChIKey	KWMXBFIAGYXCCC-UHFFFAOYSA-N
Boiling Point	244.2±20.0°C (Predicted)
Purity	≥95%
Density	1.098±0.06 g/cm3 (Predicted)
Solubility	Soluble in DMSO
Appearance	Pale Yellow or Colorless Oily Matter
Storage	Store at 2-8°C for short term (days to weeks) or -20°C for long term (months to years)
Exact Mass	148.07355886

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