Br-PEG8-COOtBu

 CAS No.: 1623792-00-6  Cat No.: BP-501233  Purity: ≥95% 4.5  

Br-PEG8-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.

Br-PEG8-COOtBu

Structure of 1623792-00-6

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Category
PROTAC Linker
Molecular Formula
C23H45BrO10
Molecular Weight
561.51
Appearance
Pale Yellow or Colorless Oily Matter

* For research and manufacturing use only. Not for human or clinical use.

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Purity
≥95%
Solubility
Soluble in DMSO
Appearance
Pale Yellow or Colorless Oily Matter
Storage
Store at 2-8°C for short term (days to weeks) or -20°C for long term (months to years)
Shipping
Room temperature in continental US; may vary elsewhere.
IUPACName
tert-butyl 3-[2-[2-[2-[2-[2-[2-[2-(2-bromoethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
Synonyms
Bromo-PEG8-t-butyl ester; Br-PEG8-CH2CH2COOtBu; Bromo-PEG8-C2-Boc; 1,1-Dimethylethyl 27-bromo-4,7,10,13,16,19,22,25-octaoxaheptacosanoate; 2-Methyl-2-propanyl 1-bromo-3,6,9,12,15,18,21,24-octaoxaheptacosan-27-oate; 3,6,9,12,15,18,21,24-Octaoxaheptacosan-27-oic acid, 1-bromo-, 1,1-dimethylethyl ester; tert-butyl 1-bromo-3,6,9,12,15,18,21,24-octaoxaheptacosan-27-oate; 4,7,10,13,16,19,22,25-Octaoxaheptacosanoic acid, 27-bromo-, 1,1-dimethylethyl ester
Boiling Point
557.0±45.0°C (Predicted)
Density
1.180±0.06 g/cm3 (Predicted)
InChI Key
DXYYTZDPNRZUDL-UHFFFAOYSA-N
InChI
InChI=1S/C23H45BrO10/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/h4-21H2,1-3H3
Canonical SMILES
CC(C)(C)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCBr

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Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
It is commonly abbreviated as: C1V1 = C2V2

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Historical Records: N-(Azido-PEG2)-N-Boc-PEG3-Boc | endo-BCN-PEG2-PFP ester | 1-Isothiocyanato-PEG3-azide | N,N'-DME-N-PEG2-Boc | 2-Propenoic acid,2-[2-(2-hydroxyethoxy)ethoxy]ethyl ester | 2-[2-(Prop-2-yn-1-yloxy)ethoxy]acetic acid | Tos-PEG3-t-butyl ester | Tos-PEG3-C2-methyl ester | N-(m-PEG4)-N'-(m-PEG4)-O-(m-PEG4)-O'-(propargyl-PEG4)-Cy5 | TCO-PEG4-DBCO | Br-PEG8-COOtBu

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