Azido-PEG8-Amido-tri-(t-butoxycarbonylethoxymethyl)-methane

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Category	Azido-PEGn-Amido-tri-(t-butoxycarbonylethoxymethyl)-methane
Catalog NO.	BPG-0020
Product Name	Azido-PEG8-Amido-tri-(t-butoxycarbonylethoxymethyl)-methane
Molecular Formula	C44H82N4O18
Molecular Weight	955.13

Azido-PEG8-Amido-tri-(t-butoxycarbonylethoxymethyl)-methane

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Description	Azido-PEG8-Amido-tri-(t-butoxycarbonylethoxymethyl)-methane is a branched PEG derivative with a terminal azide group and three t-butyl esters. The azide group enables PEGylation via Click Chemistry. The t-butyl protected carboxyl groups can be deprotected under mild acidic conditions.
Synonyms	tert-butyl 1-azido-29,29-bis((3-(tert-butoxy)-3-oxopropoxy)methyl)-27-oxo-3,6,9,12,15,18,21,24,31-nonaoxa-28-azatetratriacontan-34-oate
IUPAC Name	tert-butyl 3-[2-[3-[2-[2-[2-[2-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoylamino]-3-[3-[(2-methylpropan-2-yl)oxy]-3-oxopropoxy]-2-[[3-[(2-methylpropan-2-yl)oxy]-3-oxopropoxy]methyl]propoxy]propanoate
Canonical SMILES	O=C(OC(C)(C)C)CCOCC(COCCC(OC(C)(C)C)=O)(NC(CCOCCOCCOCCOCCOCCOCCOCCOCCN=[N+]=[N-])=O)COCCC(OC(C)(C)C)=O
InChI	InChI=1S/C44H82N4O18/c1-41(2,3)64-38(50)11-16-61-34-44(35-62-17-12-39(51)65-42(4,5)6,36-63-18-13-40(52)66-43(7,8)9)47-37(49)10-15-53-20-22-55-24-26-57-28-30-59-32-33-60-31-29-58-27-25-56-23-21-54-19-14-46-48-45/h10-36H2,1-9H3,(H,47,49)
InChIKey	RMZNNELSSWUGFF-UHFFFAOYSA-N
Purity	≥95%
Storage	Store at 2-8°C

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