m-PEG9-COOH

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Category	Small-molecule Methoxy Linear PEG (mPEG)
Catalog NO.	BPG-2192
Product Name	m-PEG9-COOH
CAS	2576495-35-5
Molecular Formula	C20H40O11
Molecular Weight	456.53

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Description	m-PEG9-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	mPEG8-propionic acid; m-PEG9-acid; 2,5,8,11,14,17,20,23,26-Nonaoxanonacosan-29-oic acid; mPEG8-CH2CH2COOH; 4,7,10,13,16,19,22,25,28-Nonaoxanonacosanoic acid
IUPAC Name	3-[2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
Canonical SMILES	COCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)O
InChI	InChI=1S/C20H40O11/c1-23-4-5-25-8-9-27-12-13-29-16-17-31-19-18-30-15-14-28-11-10-26-7-6-24-3-2-20(21)22/h2-19H2,1H3,(H,21,22)
InChIKey	HVDSDOIAPZITDA-UHFFFAOYSA-N
Boiling Point	536.3±50.0°C at 760 mmHg
Purity	>98%
Density	1.1±0.1 g/cm3
Appearance	Pale Yellow or Colorless Oily Liquid
Storage	Store at 2-8°C

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