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Azido-PEG7-Amido-tri-(t-butoxycarbonylethoxymethyl)-methane

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Category	Azido-PEGn-Amido-tri-(t-butoxycarbonylethoxymethyl)-methane
Catalog NO.	BPG-0891
Product Name	Azido-PEG7-Amido-tri-(t-butoxycarbonylethoxymethyl)-methane
Molecular Formula	C42H78N4O17
Molecular Weight	911.08

Azido-PEG7-Amido-tri-(t-butoxycarbonylethoxymethyl)-methane

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Description	Azido-PEG7-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-26,26-bis((3-(tert-butoxy)-3-oxopropoxy)methyl)-24-oxo-3,6,9,12,15,18,21,28-octaoxa-25-azahentriacontan-31-oate
IUPAC Name	tert-butyl 3-[2-[3-[2-[2-[2-[2-[2-[2-(2-azidoethoxy)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(CCOCCOCCOCCOCCOCCOCCOCCN=[N+]=[N-])=O)COCCC(OC(C)(C)C)=O
InChI	InChI=1S/C42H78N4O17/c1-39(2,3)61-36(48)11-16-58-32-42(33-59-17-12-37(49)62-40(4,5)6,34-60-18-13-38(50)63-41(7,8)9)45-35(47)10-15-51-20-22-53-24-26-55-28-30-57-31-29-56-27-25-54-23-21-52-19-14-44-46-43/h10-34H2,1-9H3,(H,45,47)
InChIKey	AELXHZTVTDHWPN-UHFFFAOYSA-N
Purity	≥95%
Storage	Store at 2-8°C

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