BrCH2CONH-PEG3-NHS ester

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Category	BrCH2CONH-PEGn-NHS ester
Catalog NO.	BPG-1342
Product Name	BrCH2CONH-PEG3-NHS ester
CAS	2514943-91-8
Molecular Formula	C15H23BrN2O8
Molecular Weight	439.26

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Description	BrCH2CONH-PEG3-NHS ester is a PEG linker containing a bromide group and an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.
Synonyms	Bromoacetamido-PEG3-C2-NHS ester; Bromoacetamido-PEG3-NHS ester; 2,5-dioxopyrrolidin-1-yl 1-bromo-2-oxo-6,9,12-trioxa-3-azapentadecan-15-oate; 2-Bromo-N-{2-[2-(2-{3-[(2,5-dioxo-1-pyrrolidinyl)oxy]-3-oxopropoxy}ethoxy)ethoxy]ethyl}acetamide; Acetamide, 2-bromo-N-[2-[2-[2-[3-[(2,5-dioxo-1-pyrrolidinyl)oxy]-3-oxopropoxy]ethoxy]ethoxy]ethyl]-
IUPAC Name	(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[(2-bromoacetyl)amino]ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES	C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCNC(=O)CBr
InChI	InChI=1S/C15H23BrN2O8/c16-11-12(19)17-4-6-24-8-10-25-9-7-23-5-3-15(22)26-18-13(20)1-2-14(18)21/h1-11H2,(H,17,19)
InChIKey	CTZVWZMUQQXBAE-UHFFFAOYSA-N
Purity	≥95%
Density	1.5±0.1 g/cm3
Storage	Store at 2-8°C

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