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t-Boc-N-amido-PEG4-bromide

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Category	Small-molecule Group Protected PEG
Catalog NO.	BPG-2017
Product Name	t-Boc-N-amido-PEG4-bromide
CAS	1076199-21-7
Molecular Formula	C13H26BrNO5
Molecular Weight	356.25

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Description	t-Boc-N-amido-PEG3-bromide is a PEG linker containing a bromide group and a Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The Boc group can be deprotected under mild acidic conditions to form the free amine.
Synonyms	Br-PEG3-NHBoc; Boc-NH-PEG3-Br; BocNH-PEG3-CH2CH2Br; N-Boc-PEG3-bromide; tert-Butyl (2-(2-(2-(2-bromoethoxy)ethoxy)ethoxy)ethyl)carbamate; 1-Boc-amino-3,6,9-trioxaundecanyl-11-bromide; 2-{2-[2-(2-Boc-aminoethoxy)ethoxy]ethoxy}ethyl Bromide; 13-Bromo-5,8,11-trioxa-2-azatridecanoic Acid 1,1-Dimethylethyl Ester; 2-Methyl-2-propanyl (2-{2-[2-(2-bromoethoxy)ethoxy]ethoxy}ethyl)carbamate; Carbamic acid, N-[2-[2-[2-(2-bromoethoxy)ethoxy]ethoxy]ethyl]-, 1,1-dimethylethyl ester
IUPAC Name	tert-butyl N-[2-[2-[2-(2-bromoethoxy)ethoxy]ethoxy]ethyl]carbamate
Canonical SMILES	CC(C)(C)OC(=O)NCCOCCOCCOCCBr
InChI	InChI=1S/C13H26BrNO5/c1-13(2,3)20-12(16)15-5-7-18-9-11-19-10-8-17-6-4-14/h4-11H2,1-3H3,(H,15,16)
InChIKey	GNDQONYTPMGMTM-UHFFFAOYSA-N
Boiling Point	422.08 °C at 760 mmHg (Predicted)
Purity	≥97.0%
Density	1.238±0.1 g/cm3
Solubility	Soluble in Chloroform (Slightly), Methanol (Slightly)
Appearance	Pale Yellow or Colorless Oily Matter
Shelf Life	0-4°C for short term (days to weeks), or -20°C for long term (months).
Storage	Store at 2-8°C under inert atmosphere
LogP	2.16020
Pictogram(s)	Irritant
Signal	Warning
Precautionary Statement Codes	P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

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