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Mal-PEG5-COOtBu

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Category	Mal-PEGn-COOtBu
Catalog NO.	BPG-3545
Product Name	Mal-PEG5-COOtBu
CAS	2250216-91-0
Molecular Formula	C21H35NO9
Molecular Weight	445.51

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Description	Mal-PEG5-t-butyl ester is a PEG derivative with a maleimide group and a t-butyl ester group. Ester group can be hydrolyzed under acidic conditions. The maleimide group can react with thiol group to connect biomolecules.
Synonyms	Mal-PEG5-t-butyl ester; Mal-PEG5-Boc; tert-Butyl 1-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3,6,9,12,15-pentaoxaoctadecan-18-oate; tert-butyl 2-((2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)methyl)-3,6,9,12-tetraoxatetradecanoate
IUPAC Name	tert-butyl 3-[2-[2-[2-[2-[2-(2,5-dioxopyrrol-1-yl)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES	CC(C)(C)OC(=O)CCOCCOCCOCCOCCOCCN1C(=O)C=CC1=O
InChI	InChI=1S/C21H35NO9/c1-21(2,3)31-20(25)6-8-26-10-12-28-14-16-30-17-15-29-13-11-27-9-7-22-18(23)4-5-19(22)24/h4-5H,6-17H2,1-3H3
InChIKey	SSYMERMYTUXSGR-UHFFFAOYSA-N
Boiling Point	533.2±50.0 °C at 760 mmHg
Purity	≥95%
Density	1.2±0.1 g/cm3
Solubility	Soluble in DCM
Appearance	Pale Yellow or Colorless 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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