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Hydroxy-PEG5-t-butyl ester

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Category	Small-molecule Group Protected PEG
Catalog NO.	BPG-2036
Product Name	Hydroxy-PEG5-t-butyl ester
CAS	850090-09-4
Molecular Formula	C17H34O8
Molecular Weight	366.45

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Description	Hydroxy-PEG5-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-PEG5-CH2CH2COOtBu; Hydroxy-PEG5-(CH2)2-Boc; OH-PEG5-TBA; OH-PEG5-CH2CH2COOtBu; HO-PEG5-t-butyl ester; 1-Hydroxy-3,6,9,12,15-pentaoxaoctadecan-18-oic acid 1,1-dimethylethyl ester; 2-Methyl-2-propanyl 1-hydroxy-3,6,9,12,15-pentaoxaoctadecan-18-oate; 3,6,9,12,15-Pentaoxaoctadecan-18-oic acid, 1-hydroxy-, 1,1-dimethylethyl ester; tert-butyl 1-hydroxy-3,6,9,12,15-pentaoxaoctadecan-18-oate
IUPAC Name	tert-butyl 3-[2-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES	CC(C)(C)OC(=O)CCOCCOCCOCCOCCOCCO
InChI	InChI=1S/C17H34O8/c1-17(2,3)25-16(19)4-6-20-8-10-22-12-14-24-15-13-23-11-9-21-7-5-18/h18H,4-15H2,1-3H3
InChIKey	SNYKXOAOLAFMRH-UHFFFAOYSA-N
Boiling Point	445.4±40.0 °C at 760 mmHg
Purity	≥95%
Density	1.071±0.06 g/cm3 (Predicted)
Related CAS	1186025-29-5 (polymer) 892154-71-1 (polymer)
Appearance	Pale Yellow or Colorless Oily Liquid
Storage	Store at 2-8°C
Exact Mass	366.22536804
LogP	0.79350

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