Br-PEG4-COOtBu

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Category	Br-PEGn-COOtBu
Catalog NO.	BPG-0145
Product Name	Br-PEG4-COOtBu
CAS	564476-32-0
Molecular Formula	C15H29BrO6
Molecular Weight	385.29

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Description	Br-PEG4-COOtBu is a PEG linker containing a bromide group and a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl protected carboxyl group can be deprotected under acidic conditions.
Synonyms	Bromo-PEG4-t-butyl ester; Br-PEG4-CH2CH2COOtBu; Bromo-PEG4-C2-Boc; 15-Bromo-4,7,10,13-tetraoxapentadecanoic acid tert-butyl ester; 3,6,9,12-Tetraoxapentadecan-15-oic acid, 1-bromo-, 1,1-dimethylethyl ester; 2-Methyl-2-propanyl 1-bromo-3,6,9,12-tetraoxapentadecan-15-oate; tert-butyl 1-bromo-3,6,9,12-tetraoxapentadecan-15-oate
IUPAC Name	tert-butyl 3-[2-[2-[2-(2-bromoethoxy)ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES	CC(C)(C)OC(=O)CCOCCOCCOCCOCCBr
InChI	InChI=1S/C15H29BrO6/c1-15(2,3)22-14(17)4-6-18-8-10-20-12-13-21-11-9-19-7-5-16/h4-13H2,1-3H3
InChIKey	WLKHUFASPMJBHB-UHFFFAOYSA-N
Boiling Point	415.8±35.0°C (Predicted)
Purity	≥95%
Density	1.210±0.06 g/cm3 (Predicted)
Solubility	Soluble in DCM, DMF, DMSO
Appearance	Pale Yellow or Colorless Oily Matter
Storage	Store at 2-8°C
Exact Mass	384.11475

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