BrCH2CONH-PEG5-NHS ester

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Category	BrCH2CONH-PEGn-NHS ester
Catalog NO.	BPG-1344
Product Name	BrCH2CONH-PEG5-NHS ester
CAS	1353011-90-1
Molecular Formula	C19H31BrN2O10
Molecular Weight	527.37

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Description	BrCH2CONH-PEG5-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-PEG5-C2-NHS ester; Bromoacetamido-PEG5-NHS ester; 2,5-dioxopyrrolidin-1-yl 1-bromo-2-oxo-6,9,12,15,18-pentaoxa-3-azahenicosan-21-oate; 2-Bromo-N-{18-[(2,5-dioxo-1-pyrrolidinyl)oxy]-18-oxo-3,6,9,12,15-pentaoxaoctadec-1-yl}acetamide; Acetamide, 2-bromo-N-[18-[(2,5-dioxo-1-pyrrolidinyl)oxy]-18-oxo-3,6,9,12,15-pentaoxaoctadec-1-yl]-
IUPAC Name	(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[2-[(2-bromoacetyl)amino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES	O=C(ON1C(CCC1=O)=O)CCOCCOCCOCCOCCOCCNC(CBr)=O
InChI	InChI=1S/C19H31BrN2O10/c20-15-16(23)21-4-6-28-8-10-30-12-14-31-13-11-29-9-7-27-5-3-19(26)32-22-17(24)1-2-18(22)25/h1-15H2,(H,21,23)
InChIKey	NGMURCRSKHMOTK-UHFFFAOYSA-N
Purity	≥95%
Density	1.4±0.1 g/cm3
Storage	Store at 2-8°C

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