911143
HO-PEG24-propanoic acid t-butyl ester
Synonym(s):
HO-PEG-tert-butyl ester, Hydroxyl PEG tert-butyl ester, Hydroxyl-PEG-tert-butyl ester
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About This Item
Empirical Formula (Hill Notation):
C55H110O27
CAS Number:
Molecular Weight:
1203.45
UNSPSC Code:
12352108
NACRES:
NA.23
MDL number:
form
solid or liquid
mol wt
average Mn 1,200 (by NMR)
reaction suitability
reagent type: chemical modification reagent
reactivity: amine reactive
color
white to off-white
Ω-end
(tert-Butyl ester)
α-end
hydroxyl
polymer architecture
shape: linear
functionality: monofunctional
storage temp.
−20°C
SMILES string
O(CCO)CCC(=O)OC(C)(C)C
InChI
1S/C9H18O4/c1-9(2,3)13-8(11)4-6-12-7-5-10/h10H,4-7H2,1-3H3
InChI key
ACWLDITVZGWIKA-UHFFFAOYSA-N
Application
Polyethylene glycols (PEGs) are FDA approved hydrophilic polymers. They are non-toxic, non-immunogenic and non-antigenic, and are widely used in a varity of biomedical applications such as bioconjugation, drug delivery, surface functionalization, and tissue engineering. The propionic acid group in HO-PEG-propanoic acid t-butyl ester is protected, preventing self-coupling.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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