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Pentaethylene Glycol

Catalog Number
ACM4792158-1
Product Name
Pentaethylene Glycol
Structure
CAS
4792-15-8
Category
Poly(ethylene glycol) and Poly(ethylene oxide)
Synonyms
3,6,9,12-Tetraoxatetradecane-1,14-Diol
Description
Polyethylene glycol (PEG) compounds contain a polyether unit, commonly expressed as R1-(O-CH2-CH2)n-O-R2. They are generally biocompatible, non-toxic and stable in both organic and aqueous solutions, and so are extensively used in biological applications, as well as nanotechnology and materials research. Proteins with PEG chain modifications and compounds encapsulated in PEG liposomes exhibit a longer half-life in vivo than their non-PEGylated counterparts, a phenomenon known as PEG shielding. Functionalised PEG lipids and phospholipids can be used for protein-PEG conjugation.
IUPAC Name
2-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethoxy]ethanol
Molecular Weight
238.28
Molecular Formula
C10H22O6
Canonical SMILES
C(COCCOCCOCCOCCO)O
InChI
1S/C10H22O6/c11-1-3-13-5-7-15-9-10-16-8-6-14-4-2-12/h11-12H,1-10H2
InChI Key
JLFNLZLINWHATN-UHFFFAOYSA-N
Boiling Point
184 °C at 2 mmHg
Purity
98%
Density
1.126 g/mL at 25 °C (lit.)
Application
Activated PEG derivatives can be used to modify peptides, proteins, or in other bioconjugation applications. PEGylated materials have found broad use in drug delivery systems, virology, and immunology, as the incorporation of PEG improves pharmacological properties such as increased water solubility, enhanced resistance to degradation (protein hydrolysis), increased circulation half-life, and reduced antigenicity. In addition to PEGylation, activated PEG derivatives can also be used to form networks for tissue engineering or drug delivery applications, depending on the architecture and reactivity.
Complexity
108
Covalently-Bonded Unit Count
1
EC Number
225-341-4
Exact Mass
238.141638g/mol
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Formal Charge
0
Heavy Atom Count
16
MDL Number
MFCD00002878
Monoisotopic Mass
238.141638g/mol
Refractive Index
n20/D 1.462 (lit.)
Rotatable Bond Count
13
XLogP3
-1.7
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