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BrCH2CONH-PEG8-NHS ester

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Category	BrCH2CONH-PEGn-NHS ester
Catalog NO.	BPG-1351
Product Name	BrCH2CONH-PEG8-NHS ester
CAS	1283658-79-6
Molecular Formula	C25H43BrN2O13
Molecular Weight	659.52

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Description	BrCH2CONH-PEG8-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-PEG8-C2-NHS ester; Bromoacetamido-PEG8-NHS ester; 2,5-dioxopyrrolidin-1-yl 1-bromo-2-oxo-6,9,12,15,18,21,24,27-octaoxa-3-azatriacontan-30-oate; NHS-PEG8-amide-Br; 4,7,10,13,16,19,22,25-Octaoxa-28-azatriacontanoic acid, 30-bromo-29-oxo-, 2,5-dioxo-1-pyrrolidinyl ester; 2-Bromo-N-{27-[(2,5-dioxo-1-pyrrolidinyl)oxy]-27-oxo-3,6,9,12,15,18,21,24-octaoxaheptacos-1-yl}acetamide; Acetamide, 2-bromo-N-[27-[(2,5-dioxo-1-pyrrolidinyl)oxy]-27-oxo-3,6,9,12,15,18,21,24-octaoxaheptacos-1-yl]-
IUPAC Name	(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[2-[2-[2-[2-[(2-bromoacetyl)amino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES	C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCNC(=O)CBr
InChI	InChI=1S/C25H43BrN2O13/c26-21-22(29)27-4-6-34-8-10-36-12-14-38-16-18-40-20-19-39-17-15-37-13-11-35-9-7-33-5-3-25(32)41-28-23(30)1-2-24(28)31/h1-21H2,(H,27,29)
InChIKey	PXFSSISNLVSUTA-UHFFFAOYSA-N
Purity	≥95%
Density	1.4±0.1 g/cm3
Appearance	Pale Yellow Oily Matter
Storage	Store at 2-8°C

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