Acid-PEG7-NHS ester

Name: Acid-PEG7-NHS ester
Brand: BOC Sciences
Rating: 5 (1 reviews)

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Category	Acid-PEGn-NHS ester
Catalog NO.	BPG-1028
Product Name	Acid-PEG7-NHS ester
Molecular Formula	C22H37NO13
Molecular Weight	523.53

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Description	Acid-PEG7-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.
Synonyms	Acid-C2-PEG7-NHS ester; COOH-PEG7-SPA; COOH-PEG7-NHS; 25-((2,5-dioxopyrrolidin-1-yl)oxy)-25-oxo-4,7,10,13,16,19,22-heptaoxapentacosanoic acid
IUPAC Name	3-[2-[2-[2-[2-[2-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
SMILES	O=C(O)CCOCCOCCOCCOCCOCCOCCOCCC(ON1C(CCC1=O)=O)=O
InChI	InChI=1S/C22H37NO13/c24-19-1-2-20(25)23(19)36-22(28)4-6-30-8-10-32-12-14-34-16-18-35-17-15-33-13-11-31-9-7-29-5-3-21(26)27/h1-18H2,(H,26,27)
InChIKey	ODYMDPIFHPYYOH-UHFFFAOYSA-N
Purity	≥95%
Related CAS	1643594-31-3 (polymer)
Appearance	Light Yellow or White Solid
Storage	Store at 2-8°C

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