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BrCH2CONH-PEG2-NHS ester

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Category	BrCH2CONH-PEGn-NHS ester
Catalog NO.	BPG-1347
Product Name	BrCH2CONH-PEG2-NHS ester
CAS	1353011-78-5
Molecular Formula	C13H19BrN2O7
Molecular Weight	395.21

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Description	BrCH2CONH-PEG2-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-PEG2-NHS ester; Bromoacetamido-PEG2-C2-NHS ester; 2,5-dioxopyrrolidin-1-yl 3-(2-(2-(2-bromoacetamido)ethoxy)ethoxy)propanoate; 2-Bromo-N-[2-(2-{3-[(2,5-dioxo-1-pyrrolidinyl)oxy]-3-oxopropoxy}ethoxy)ethyl]acetamide; Acetamide, 2-bromo-N-[2-[2-[3-[(2,5-dioxo-1-pyrrolidinyl)oxy]-3-oxopropoxy]ethoxy]ethyl]-
IUPAC Name	(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[(2-bromoacetyl)amino]ethoxy]ethoxy]propanoate
Canonical SMILES	C1CC(=O)N(C1=O)OC(=O)CCOCCOCCNC(=O)CBr
InChI	InChI=1S/C13H19BrN2O7/c14-9-10(17)15-4-6-22-8-7-21-5-3-13(20)23-16-11(18)1-2-12(16)19/h1-9H2,(H,15,17)
InChIKey	HDIXVXMKIWXBFA-UHFFFAOYSA-N
Purity	≥95%
Density	1.5±0.1 g/cm3
Solubility	Soluble in DMSO
Storage	Store at 2-8°C for short term (days to weeks) or -20°C for long term (months to years)

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