Methoxy PEGs
Methoxy PEGs, often called mPEGs, are monofunctional polyethylene glycol derivatives widely used in PEGylation, drug formulation, polymer synthesis, and biomaterials development. Known for their stability, solubility, and broad compatibility, methoxy PEG compounds are ideal for researchers and manufacturers seeking reliable PEG building blocks for pharmaceutical and specialty chemical applications.
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![Molecular structure for PEG 2-{2-[2-(2-Methoxy-ethylamino)-ethoxy]-ethoxy}-ethanol (CAS 1818397-10-2), also known as Methoxyethylamino-PEG3-alcohol, from Frontier Specialty Chemicals.](https://frontierspecialtychemicals.com/wp-content/uploads/2026/06/AMTGC558-ME20-Square-510x510-1.png)
Hydroxy PEGs2-{2-[2-(2-Methoxy-ethylamino)-ethoxy]-ethoxy}-ethanol (98%)
$85.00 – $765.00 View productsCatalog#:Â AMTGC558-ME20
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Methoxy PEGsN-Methyl-3,6,9,12-tetraoxatridecan-1-amine (97%)
$80.00 – $240.00 View productsCatalog#: AMTGC674-MA20
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Methoxy PEGs2-(2-Methoxyethoxy)-N-methylethan-1-amine (99%)
$90.00 – $630.00 View productsCatalog#: AMTGC655-MM20
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![Molecular structure for 4-[3-(2-Methoxyethoxy)propylamino]-4-oxobutanoic acid (CAS 184419-48-4), also known as Methoxyethoxypropyl succinamic acid, from Frontier Specialty Chemicals.](https://frontierspecialtychemicals.com/wp-content/uploads/2026/05/AMTGC1256-PA24-Square-510x510-1.png)
Acid PEGs4-[3-(2-Methoxyethoxy)propylamino]-4-oxobutanoic acid (99%)
$60.00 – $180.00 View productsCatalog#: AMTGC1256-PA24
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Methoxy PEGsN-(2-Methoxyethyl)octadecan-1-amine (97%)
$80.00 – $240.00 View productsCatalog#: AMTGC664-MO20
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Methoxy PEGs2-Methoxy-N-(2-(2-methoxyethoxy)ethyl)ethan-1-amine (98%)
$150.00 – $450.00 View productsCatalog#: AMTGC527-MA19
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Azido PEGs13-Azido-2,5,8,11-tetraoxatridecane (97%)
$180.00 – $9,900.00 View productsCatalog#:Â AMTGC288-TA17
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Azido PEGs1-Azido-2-(2-methoxyethoxy)ethane (97%)
$210.00 – $360.00 View productsCatalog#: AMTGC225-AZ16
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Boronic Esters2-(4-(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (99%)
$130.00 – $390.00 View productsCatalog#:Â AMTB582-TO12
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Boronic Esters2-(4-(2-(2-methoxyethoxy)ethoxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (98%)
$90.00 – $180.00 View productsCatalog#: AMTB581-ME12
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Boronic Esters2-(4-(2-methoxyethoxy)phenyl) -4,4,5,5-tetramethyl-1,3,2-dioxaborolane (98%)
$90.00 – $790.00 View productsCatalog#: AMTB580-TM12
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![Molecular structure for PEG 4,​4,​5,​5-​Tetramethyl-​2-​[4-​(3,​6,​9,​12-​tetraoxatridec-​1-​yloxy)​phenyl]​-1,​3,​2-​dioxaborolane, also known as Ethoxy-PEG4 phenyl boronic ester (CAS 1181210-11-6), from Frontier Specialty Chemicals.](https://frontierspecialtychemicals.com/wp-content/uploads/2026/03/AMTB1292-TE19-Square-510x510-1.png)
Boronic Esters4,​4,​5,​5-​Tetramethyl-​2- ​[4-​(3,​6,​9,​12-​tetraoxatridec-​1-​yloxy)​phenyl] ​-1,​3,​2-​dioxaborolane (97%)
$99.00 – $297.00 View productsCatalog#: AMTB1292-TE19
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Methoxy PEGsN-Methyl-3,6,9,12,15-pentaoxahexadecan-1-amine (98%)
$110.00 – $330.00 View productsCatalog#:Â AMTGC675-MP20
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Amino PEGs2,5,8,11,14,17-Hexaoxanonadecan-19-amine (98%)
$80.00 – $720.00 View productsCatalog#:Â AMTGC327-DA17
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Amino PEGs2,5,8,11,14-Pentaoxahexadecan-16-amine (99%)
$90.00 – $810.00 View productsCatalog#:Â AMTGC325-PA17
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Amino PEGs2-(2-(2-Methoxyethoxy)ethoxy)ethanamine (99%)
$99.00 – $395.00 View productsCatalog#: AMTGC223-MA16
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Methoxy PEGs2-(2-(2-Methoxyethoxy)ethoxy)-N-methylethan-1-amine (98%)
$80.00 – $720.00 View productsCatalog#: AMTGC615-MA20
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Amino PEGs2,5,8,11-Tetraoxatridecan-13-amine (99%)
$80.00 – $720.00 View productsCatalog#: AMTGC297-AT17
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Azido PEGs1-Azido-2-(2-(2-methoxyethoxy)ethoxy)ethane (98%)
$50.00 – $585.00 View productsCatalog#: AMTGC196-AM16