| | Identification | Back Directory |  | [Name] 
 N3-PEG6-tBu
 |  | [CAS] 
 406213-76-1
 |  | [Synonyms] 
 N3-PEG6-tBu
 406213-76-1
 Azido-PEG6-COOtBu
 Azido-PEG6-C2-Boc
 N3-PEG6-CH2CH2COOtBu
 Azido-PEG7-t-butly ester
 Azido-PEG7-t-butyl ester
 tert-butyl 1-azido-3,6,9,12,15,18-hexaoxahenicosan-21-oate
 21-Azido-4,7,10,13,16,19-hexaoxaheneicosanoic acid 1,1-dimethylethyl ester
 N3-PEG6-CH2CH2COOtBu
 |  | [Molecular Formula] 
 C19H37N3O8
 |  | [MDL Number] 
 MFCD20926385
 |  | [MOL File] 
 406213-76-1.mol
 |  | [Molecular Weight] 
 435.512
 | 
 | Chemical Properties | Back Directory |  | [storage temp. ] 
 Storage temp. 2-8°C
 |  | [solubility ] 
 Soluble in Water, DMSO, DCM, DMF
 |  | [form ] 
 Liquid
 |  | [color ] 
 Colorless to light yellow
 |  | [InChI] 
 InChI=1S/C19H37N3O8/c1-19(2,3)30-18(23)4-6-24-8-10-26-12-14-28-16-17-29-15-13-27-11-9-25-7-5-21-22-20/h4-17H2,1-3H3
 |  | [InChIKey] 
 HRNUWAOLFSWRDG-UHFFFAOYSA-N
 |  | [SMILES] 
 C(OC(C)(C)C)(=O)CCOCCOCCOCCOCCOCCOCCN=[N+]=[N-]
 | 
 | Hazard Information | Back Directory |  | [Description] 
 Azido-PEG6-t-butyl ester is a PEG molecule consisting of an azide group and a t-butyl ester moiety. he azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The t-butyl protected carboxyl group can be deprotected under acidic conditions. The hydrophilic PEG5 spacer increases solubility in aqueous media.
 |  | [Uses] 
 Azido-PEG6-Boc is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs[1]. Azido-PEG6-C2-Boc is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.
 |  | [IC 50] 
 PEGs; Alkyl/ether
 |  | [References] 
 [1] An S, et al. Small-molecule PROTACs: An emerging and promising approach for the development of targeted therapy drugs. EBioMedicine. 2018 Oct;36:553-562 DOI:10.1016/j.ebiom.2018.09.005
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