Hydroxy-PEG6-t-butyl ester

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Category	Small-molecule Group Protected PEG
Catalog NO.	BPG-2105
Product Name	Hydroxy-PEG6-t-butyl ester
CAS	361189-64-2
Molecular Formula	C19H38O9
Molecular Weight	410.50

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Description	Hydroxy-PEG6-t-butyl ester is a PEG linker containing a hydroxyl group and a t-butyl ester. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The t-butyl-protected carboxyl group can be deprotected under acidic conditions. The hydrophilic PEG spacer increases solubility in aqueous media.
Synonyms	HO-PEG6-CH2CH2COOtBu; Hydroxy-PEG6-(CH2)2-Boc; OH-PEG6-TBA; OH-PEG6-CH2CH2COOtBu; HO-PEG6-t-butyl ester; tert-butyl 1-hydroxy-3,6,9,12,15,18-hexaoxahenicosan-21-oate; 2-Methyl-2-propanyl 1-hydroxy-3,6,9,12,15,18-hexaoxahenicosan-21-oate; 3,6,9,12,15,18-Hexaoxaheneicosan-21-oic acid, 1-hydroxy-, 1,1-dimethylethyl ester
IUPAC Name	tert-butyl 3-[2-[2-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES	CC(C)(C)OC(=O)CCOCCOCCOCCOCCOCCOCCO
InChI	InChI=1S/C19H38O9/c1-19(2,3)28-18(21)4-6-22-8-10-24-12-14-26-16-17-27-15-13-25-11-9-23-7-5-20/h20H,4-17H2,1-3H3
InChIKey	VGGDPFAYSOSIOK-UHFFFAOYSA-N
Boiling Point	481.8±40.0 °C at 760 mmHg
Purity	≥95%
Density	1.076±0.06 g/cm3 (Predicted)
Appearance	Pale Yellow or Colorless Oily Liquid
Storage	Store at 2-8°C
Exact Mass	410.25158279

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