t-Boc-N-amido-PEG5-NHS ester

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Category	NHBoc-PEGn-NHS ester
Catalog NO.	BPG-0571
Product Name	t-Boc-N-amido-PEG5-NHS ester
CAS	2055040-78-1
Molecular Formula	C22H38N2O11
Molecular Weight	506.55

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Description	t-Boc-N-amido-PEG5-NHS ester is a PEG linker containing NHS ester and Boc-protected amine moieties. The Boc group can be deprotected under mildly acidic conditions to form a free amine. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The hydrophilic PEG spacer increases solubility in aqueous media.
Synonyms	BocNH-PEG5-CH2CH2COONHS; Boc-N-PEG5-C2-NHS ester; 2,5-dioxopyrrolidin-1-yl 2,2-dimethyl-4-oxo-3,8,11,14,17,20-hexaoxa-5-azatricosan-23-oate; 2-Methyl-2-propanyl {18-[(2,5-dioxo-1-pyrrolidinyl)oxy]-18-oxo-3,6,9,12,15-pentaoxaoctadec-1-yl}carbamate; Carbamic acid, N-[18-[(2,5-dioxo-1-pyrrolidinyl)oxy]-18-oxo-3,6,9,12,15-pentaoxaoctadec-1-yl]-, 1,1-dimethylethyl ester
IUPAC Name	(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[2-[(2-methylpropan-2-yl)oxycarbonylamino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES	CC(C)(C)OC(=O)NCCOCCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O
InChI	InChI=1S/C22H38N2O11/c1-22(2,3)34-21(28)23-7-9-30-11-13-32-15-17-33-16-14-31-12-10-29-8-6-20(27)35-24-18(25)4-5-19(24)26/h4-17H2,1-3H3,(H,23,28)
InChIKey	FCVPAOUCTNORCY-UHFFFAOYSA-N
Purity	≥95%
Density	1.2±0.1 g/cm3
Solubility	Soluble in DMSO
Appearance	Pale Yellow Oily Matter
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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