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t-boc-N-amido-PEG4-NHS ester

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Category	Small-molecule Group Protected PEG
Catalog NO.	BPG-2205
Product Name	t-boc-N-amido-PEG4-NHS ester
CAS	859230-20-9
Molecular Formula	C20H34N2O10
Molecular Weight	462.49

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Description	t-Boc-N-amido-PEG4-NHS ester is a PEG derivative containing an NHS ester and a Boc-protected amino group. The Boc group can be deprotected under mild acidic conditions to form the free amine. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.
Synonyms	5,8,11,14-Tetraoxa-2-azaheptadecanedioic acid, 1-(1,1-dimethylethyl) 17-(2,5-dioxo-1-pyrrolidinyl) ester; BocNH-PEG4-CH2CH2COONH; Boc-NH-PEG4-NHS ester; 2,5-Dioxopyrrolidin-1-yl 2,2-dimethyl-4-oxo-3,8,11,14,17-pentaoxa-5-azaicosan-20-oate; 2-Methyl-2-propanyl {15-[(2,5-dioxo-1-pyrrolidinyl)oxy]-15-oxo-3,6,9,12-tetraoxapentadec-1-yl}carbamate; Carbamic acid, N-[15-[(2,5-dioxo-1-pyrrolidinyl)oxy]-15-oxo-3,6,9,12-tetraoxapentadec-1-yl]-, 1,1-dimethylethyl ester
IUPAC Name	(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[(2-methylpropan-2-yl)oxycarbonylamino]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES	CC(C)(C)OC(=O)NCCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O
InChI	InChI=1S/C20H34N2O10/c1-20(2,3)31-19(26)21-7-9-28-11-13-30-15-14-29-12-10-27-8-6-18(25)32-22-16(23)4-5-17(22)24/h4-15H2,1-3H3,(H,21,26)
InChIKey	HHPGGUMKDXTEDQ-UHFFFAOYSA-N
Purity	>95%
Density	1.2±0.1 g/cm3
Solubility	Soluble in DCM, DMF, DMSO
Appearance	Pale Yellow or Colorless Oily Liquid
Storage	Store at 2-8°C

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