Tos-PEG6-COOtBu

 CAS No.: 850090-10-7  Cat No.: BP-500783  Purity: ≥95% 4.5  

Tos-PEG6-COOtBu linker bears a t-butyl ester and a tosyl group. The hydrophilic PEG spacer increases the solubility in aqueous media. The carboxyl group protected by tert-butyl can be deprotected under acidic conditions. Tosyl group is a very good leaving group for nucleophilic substitution reaction.

Tos-PEG6-COOtBu

Structure of 850090-10-7

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Category
PROTAC Linker
Molecular Formula
C24H40O10S
Molecular Weight
520.63
Appearance
Pale Yellow 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 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-(4-methylphenyl)sulfonyloxyethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
Synonyms
Tert-butyl 1-(tosyloxy)-3,6,9,12,15-pentaoxaoctadecan-18-oate; Tos-PEG6-t-Butyl ester; 3,6,9,12,15-Pentaoxaoctadecan-18-oic acid,1-[[(4-methylphenyl)sulfonyl]oxy]-, 1,1-dimethylethyl ester; t-Butyl 1-(tosyloxy)-3,6,9,12,15-pentaoxaoctadecan-18-oate; tert-butyl 1-[(4-methylbenzenesulfonyl)oxy]-3,6,9,12,15-pentaoxaoctadecan-18-oate; Tos-PEG6-t-butyl ester; Tos-PEG6-Boc
Boiling Point
591.4±50.0 °C at 760 mmHg
Density
1.1±0.1 g/cm3
InChI Key
VWGDQEZCDGHEJR-UHFFFAOYSA-N
InChI
InChI=1S/C24H40O10S/c1-21-5-7-22(8-6-21)35(26,27)33-20-19-32-18-17-31-16-15-30-14-13-29-12-11-28-10-9-23(25)34-24(2,3)4/h5-8H,9-20H2,1-4H3
Canonical SMILES
CC1=CC=C(C=C1)S(=O)(=O)OCCOCCOCCOCCOCCOCCC(=O)OC(C)(C)C

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L

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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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* Total Molecular Weight:
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Tip: Chemical formula is case sensitive. C22H30N4O √ c22h30n40 ╳
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Historical Records: Acid-C1-PEG5-Boc | Bromo-PEG1-NH2 hydrobromide | Tos-PEG5-CH2COOtBu | Propargyl-PEG12-amine

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