Acid-PEG25-NHS ester

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Category	Small-molecule NHS ester PEG
Catalog NO.	BPG-4385
Product Name	Acid-PEG25-NHS ester
CAS	1643594-31-3
Molecular Formula	C58H109NO31
Molecular Weight	1316.5

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Description	Acid-PEG25-NHS ester is a PEG linker containing a carboxylic acid and an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. 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 NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. Please contact us for GMP-grade inquiries.
Synonyms	Acid-PEG13-NHS ester; 2152679-62-2; 1643594-31-3; COOH-PEG13-NHS; 3-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid; 43-[(2,5-dioxopyrrolidin-1-yl)oxy]-43-oxo-4,7,10,13,16,19,22,25,28,31,34,37,40-tridecaoxatritetracontanoic acid; COOH-PEG13-SPA; Acid-PEG13-NHSester
IUPAC Name	3-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
Canonical SMILES	C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)O
InChI	InChI=1S/C34H61NO19/c36-31-1-2-32(37)35(31)54-34(40)4-6-42-8-10-44-12-14-46-16-18-48-20-22-50-24-26-52-28-30-53-29-27-51-25-23-49-21-19-47-17-15-45-13-11-43-9-7-41-5-3-33(38)39/h1-30H2,(H,38,39)
InChIKey	IBSDUGROMOGHLR-UHFFFAOYSA-N
Purity	0.95
Storage	-20°C

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