Hydroxy-PEG8-t-butyl ester

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Category	HO-PEGn-COOtBu
Catalog NO.	BPG-2259
Product Name	Hydroxy-PEG8-t-butyl ester
CAS	1334177-84-2
Molecular Formula	C23H46O11
Molecular Weight	498.60

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Description	Hydroxy-PEG8-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-PEG8-CH2CH2COOtBu; Hydroxy-PEG8-(CH2)2-Boc; OH-PEG8-TBA; OH-PEG8-CH2CH2COOtBu; HO-PEG8-t-butyl ester; tert-Butyl 1-Hydroxy-3,6,9,12,15,18,21,24-octaoxaheptacosan-27-oate; t-Butyl 1-hydroxy-3,6,9,12,15,18,21,24-octaoxaheptacosan-27-oate; 2-Methyl-2-propanyl 1-hydroxy-3,6,9,12,15,18,21,24-octaoxaheptacosan-27-oate; 3,6,9,12,15,18,21,24-Octaoxaheptacosan-27-oic acid, 1-hydroxy-, 1,1-dimethylethyl ester; 27-Hydroxy-4,7,10,13,16,19,22,25-octaoxaheptacosanoic acid tert-butyl ester
IUPAC Name	tert-butyl 3-[2-[2-[2-[2-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES	CC(C)(C)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCO
InChI	InChI=1S/C23H46O11/c1-23(2,3)34-22(25)4-6-26-8-10-28-12-14-30-16-18-32-20-21-33-19-17-31-15-13-29-11-9-27-7-5-24/h24H,4-21H2,1-3H3
InChIKey	RBRDLMWBCQQRIQ-UHFFFAOYSA-N
Boiling Point	549.5±45.0°C at 760 mmHg
Purity	≥95%
Density	1.1±0.1 g/cm3
Solubility	Soluble in DCM, DMF, DMSO, Water
Appearance	Pale Yellow Oily Liquid
Storage	Store at 2-8°C
Exact Mass	498.30401228

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