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Hydroxy-PEG11-t-butyl ester

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Category	Small-molecule Group Protected PEG
Catalog NO.	BPG-2425
Product Name	Hydroxy-PEG11-t-butyl ester
Molecular Formula	C29H58O14
Molecular Weight	630.76

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Description	Hydroxy-PEG11-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-PEG11-CH2CH2COOtBu; Hydroxy-PEG11-(CH2)2-Boc; OH-PEG11-TBA; OH-PEG11-CH2CH2COOtBu; HO-PEG11-t-butyl ester; 2-Methyl-2-propanyl 1-hydroxy-3,6,9,12,15,18,21,24,27,30,33-undecaoxahexatriacontan-36-oate; 3,6,9,12,15,18,21,24,27,30,33-Undecaoxahexatriacontan-36-oic acid, 1-hydroxy-, 1,1-dimethylethyl ester; tert-butyl 1-hydroxy-3,6,9,12,15,18,21,24,27,30,33-undecaoxahexatriacontan-36-oate
IUPAC Name	tert-butyl 3-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES	CC(C)(C)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO
InChI	InChI=1S/C29H58O14/c1-29(2,3)43-28(31)4-6-32-8-10-34-12-14-36-16-18-38-20-22-40-24-26-42-27-25-41-23-21-39-19-17-37-15-13-35-11-9-33-7-5-30/h30H,4-27H2,1-3H3
InChIKey	LDPDHYCMKFYBGO-UHFFFAOYSA-N
Boiling Point	641.1±50.0°C at 760 mmHg
Purity	≥95%
Density	1.1±0.1 g/cm3
Related CAS	1186025-29-5 (polymer) 892154-71-1 (polymer)
Appearance	Pale Yellow or Colorless Oily Liquid
Storage	Store at 2-8°C

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