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Bis-PEG3-acid

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Category	COOH-PEGn-COOH
Catalog NO.	BPG-1832
Product Name	Bis-PEG3-acid
CAS	96517-92-9
Molecular Formula	C10H18O7
Molecular Weight	250.25

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Description	Bis-PEG3-acid is a PEG linker containing two terminal carboxylic acid groups. The terminal carboxylic acids 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	3,3'-((Oxybis(ethane-2,1-diyl))bis(oxy))dipropanoic acid; Propanoic acid, 3,3'-[oxybis(2,1-ethanediyloxy)]bis-; 4,7,10-trioxa-tridecanedioic acid; Bis-PEG3-COOH; HOOCCH2CH2O-PEG2-CH2CH2COOH; 3,3'-[Oxybis(2,1-ethanediyloxy)]dipropanoic acid
IUPAC Name	3-[2-[2-(2-carboxyethoxy)ethoxy]ethoxy]propanoic acid
Canonical SMILES	C(COCCOCCOCCC(=O)O)C(=O)O
InChI	InChI=1S/C10H18O7/c11-9(12)1-3-15-5-7-17-8-6-16-4-2-10(13)14/h1-8H2,(H,11,12)(H,13,14)
InChIKey	WFLUHYUKINZPNZ-UHFFFAOYSA-N
Boiling Point	445.4±40.0 °C at 760 mmHg
Purity	>95%
Density	1.239±0.06 g/cm3 (Predicted)
Solubility	Soluble in DMF, DMSO, Water
Related CAS	51178-68-8 (polymer)
Appearance	Pale Yellow or Colorless Oily Liquid
Storage	Store at 2-8°C
Exact Mass	250.10525291
LogP	-0.01440

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