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Maleimide PEG,Maleimide linkers are a class of chemical compounds that consist of a polyethylene glycol (PEG) chain attached to a maleimide functional group (-NH-CO-CH=CH-). The maleimide group is highly reactive towards thiol (-SH) groups, allowing for the site-specific conjugation of molecules in a variety of pharmaceutical research and development applications.

Maleimide PEG linkers have been utilized extensively in the development of antibody-drug conjugates (ADCs), which are highly potent and targeted therapeutics that combine the specificity of monoclonal antibodies with the cytotoxicity of small molecule drugs. By conjugating the maleimide PEG linker to an antibody via a thiol-reactive linker, the resulting ADC can selectively deliver the cytotoxic payload to cancer cells, while sparing healthy cells.

Moreover, they have been employed in the development of novel imaging agents and diagnostic tools. For example, by conjugating the maleimide PEG linker to imaging agents such as fluorophores or radioactive isotopes, highly specific and sensitive probes can be created that can detect disease biomarkers with high accuracy.

They also have potential applications in the field of regenerative medicine. For example, they can be used to functionalize biomaterials, such as hydrogels or scaffolds, to improve their biocompatibility and promote cell adhesion and proliferation.

Cat# Name Structure M.W. Purity Pricing
BCN-endo-PEG-Maleimide
AP10138Mal-NH-PEG2-BCN475.54≥95% Pricing
AP10739BCN-endo-PEG3-Maleimide519.59≥95% Pricing
AP13091BCN-PEG3-Maleimide519.59≥95% Pricing
AP10738BCN-exo-PEG7-Maleimide695.80≥95% Pricing
Biotin-PEG-Mal
AP10540Biotin-PEG2-NH-Mal525.62≥95% Pricing
AP10541Biotin-PEG3-NH-Mal569.67≥95% Pricing
AP13266Mal-Cyclohexyl-PEG3-Biotin637.8≥95% Pricing
AP10542Biotin-PEG6-NH-Mal701.83≥95% Pricing
AP11041Biotin-PEG11-NH-Mal922.1≥95% Pricing
AP10543Biotin-PEG12-NH-Mal966.14≥95% Pricing
Bis-Mal-Lysine-PEG
AP11496Bis-Mal-Lysine-PEG4-acid695.72≥95% Pricing
AP11497Bis-Mal-Lysine-PEG4-TFP ester843.78≥95% Pricing
Bis-Mal-PEG
AP11492Bis-Mal-PEG3494.5≥95% Pricing
AP11493Bis-Mal-PEG6626.66≥95% Pricing
AP11494Bis-Mal-PEG11846.93≥95% Pricing
AP11495Bis-Mal-PEG191199.35≥95% Pricing
Boc-HyNic-PEG-Mal
AP10595Boc-HyNic-PEG1-Mal419.43≥95% Pricing
Branched PEG Maleimide
AP11754N-Mal-N-bis(PEG2-amine) TFA salt430.5≥95% Pricing
AP11743N-Mal-N-bis(PEG2-acid)488.49≥95% Pricing
AP11760N-Mal-N-bis(PEG2-t-butyl ester)600.71≥95% Pricing
AP11755N-Mal-N-bis(PEG4-amine) TFA salt606.71≥95% Pricing
AP11758N-Mal-N-bis(PEG2-NH-Boc)630.74≥95% Pricing
AP11744N-Mal-N-bis(PEG4-acid)664.7≥95% Pricing
AP11747N-Mal-N-bis(PEG2-NHS ester)682.64≥95% Pricing
AP11759N-Mal-N-bis(PEG4-NH-Boc)806.95≥95% Pricing
AP12209N-(Mal-PEG6)-N-bis(PEG3-amine) TFA salt854.01≥95% Pricing
AP11748N-Mal-N-bis(PEG4-NHS ester)858.85≥95% Pricing
AP13284N-(NHS ester-PEG3)-N-bis(PEG3-Mal) 999≥95% Pricing
AP11756Tri(Mal-PEG2-amide)-amine1077.16≥95% Pricing
AP11757N-(Mal-PEG6)-N-bis(PEG7-TCO)1652.97≥95% Pricing
AP13285N-(t-butyl ester-PEG3)-N-bis(PEG3-Mal)958.1≥95% Pricing
AP13267N-(Mal-PEG6)-N-bis(PEG3-Boc)1054.3≥98% Pricing
AP13286N-(Mal-PEG4)-N-Fluorescein-PEG4-NHS ester1122.2≥96% Pricing
DBCO-Maleimide & DBCO-PEG-Maleimide
AP10860DBCO-Maleimide356.37≥95% Pricing
AP10300DBCO-Mal427.45≥95% Pricing
AP10855DBCO-Sulfo-Maleimide578.60≥95% Pricing
AP10313DBCO-NH-PEG2-Mal586.64≥95% Pricing
AP10859DBCO-amido-PEG4-Maleimide603.66≥95% Pricing
AP13841DBCO-PEG4-Maleimide674.74≥95% Pricing
AP10858DBCO-amido-PEG4-amido-Maleimide674.74≥95% Pricing
AP10315DBCO-NH-PEG6-Mal762.85≥95% Pricing
AP12611Sulfo DBCO-PEG4-Maleimide825.89≥95% Pricing
AP10856DBCO-Sulfo-PEG4-Maleimide825.89≥95% Pricing
AP13183DBCO-PEG8-Maleimide851≥95% Pricing
AP10316DBCO-NH-PEG12-Maleimide1027.16≥95% Pricing
AP13184DBCO-PEG24-Maleimide1555.8≥95% Pricing
Dibromo-Maleimide-PEG
AP114993,4-Dibromo-Mal-PEG2-Amine TFA salt386.04≥95% Pricing
AP141453,4-Dibromo-Mal-PEG4-Amine474.10≥95% Pricing
AP101553,4-Dibromo-Mal-PEG2-Boc-Amine486.15≥95% Pricing
AP141433,4-Dibromo-Mal-PEG4-Acid503.10≥95% Pricing
AP115003,4-Dibromo-Mal-PEG4-t-butyl ester559.24≥95% Pricing
AP141443,4-Dibromo-Mal-PEG4-NHS ester600.20≥95% Pricing
AP141463,4-Dibromo-Mal-PEG8-Amine650.40≥95% Pricing
AP114983,4-Dibromo-Mal-PEG8-acid679.35≥95% Pricing
AP115013,4-Dibromo-Mal-PEG8-t-butyl ester735.45≥95% Pricing
DSPE-PEG-Mal
AP14947DSPE-PEG-Maleimide, MW 1K1000≥95% Pricing
AP10163DSPE-PEG8-Mal1251.61≥95% Pricing
AP13885DSPE-PEG12-Mal1498.90≥95% Pricing
Folate-PEG-Mal
AP12982Folate-PEG1-Mal607.58≥95% Pricing
AP12983Folate-PEG2-Mal651.64≥95% Pricing
HyNic-PEG-Mal
AP10593HyNic-PEG1-Mal359.39≥95% Pricing
Lipoamide-PEG-Mal
AP11416Lipoamide-PEG3-Mal559.74≥95% Pricing
AP11417Lipoamide-PEG11-Mal884.11≥95% Pricing
M-PEG-Mal
AP10158m-PEG2-Mal199.20≥95% Pricing
AP10157m-PEG3-Mal243.26≥95% Pricing
AP11362m-PEG4-NH-Mal358.39≥95% Pricing
AP10186m-PEG6-amido-Mal446.49≥95% Pricing
AP10187m-PEG8-amido-Mal534.60≥95% Pricing
AP11363m-PEG12-NH-Mal710.82≥95% Pricing
AP11364m-PEG24-NH-Mal1239.45≥95% Pricing
AP11365m-PEG36-NH-Mal1768.09≥95% Pricing
AP11366m-PEG48-NH-Mal2296.72≥95% Pricing
Mal-Alkyl-acid
AP10544Mal-(CH2)2-COOH169.14≥95% Pricing
AP10545Mal-(CH2)3-COOH183.16≥95% Pricing
AP114875-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)pentanoic acid197.19≥95% Pricing
AP10546Mal-(CH2)5-COOH211.22≥95% Pricing
AP114884-((2,5-Dioxo-2H-pyrrol-1(5H)-yl)methyl)cyclohexanecarboxylic acid237.26≥95% Pricing
AP10547Mal-(CH2)10-COOH281.35≥95% Pricing
Mal-Alkyl-amine
AP114891-(2-Aminoethyl)-1H-pyrrole-2,5-dione TFA salt140.14≥95% Pricing
AP10651N-(6-Aminohexyl)maleimide TFA salt310.27≥95% Pricing
Mal-Alkyl-Bromide
AP11490Mal-PEG1-bromideomide248.08≥95% Pricing
Mal-Alkyl-NHS ester
AP14624N-(alfa-Maleimidoacetoxy)succinimide252.20≥95% Pricing
AP10146Mal NHS ester266.21≥95% Pricing
AP119485-Maleimido-pentanoic NHS ester294.26≥95% Pricing
AP10549Mal-C6-NHS ester308.29≥95% Pricing
AP15071SMCC334.30≥95% Pricing
AP114916-Maleimidocaproic acid PFP ester377.27≥95% Pricing
AP10550Mal-C11-NHS ester378.42≥95% Pricing
Mal-Alkyl-t-Boc-amine
AP116306-Mal-C6-Boc-Amine296.37≥95% Pricing
Mal-amide-PEG-oxyamine
AP10062Mal-amide-PEG2-oxyamine315.32≥95% Pricing
AP10061Mal-amide-PEG3-oxyamine359.38≥95% Pricing
AP10060Mal-amide-PEG2-oxyamineBoc415.44≥95% Pricing
AP10059Mal-amide-PEG3-oxyamineBoc459.49≥95% Pricing
Mal-amido-PEG-acetic acid
AP10923Mal-propionylamido-PEG1-acetic acid270.24≥95% Pricing
AP10924Mal-propionylamido-PEG2-acetic acid314.29≥95% Pricing
AP10925Mal-propionylamido-PEG3-acetic acid358.35≥95% Pricing
AP10926Mal-propionylamido-PEG4-acetic acid402.4≥95% Pricing
AP10927Mal-propionylamido-PEG5-acetic acid446.45≥95% Pricing
AP10928Mal-propionylamido-PEG6-acetic acid490.51≥95% Pricing
AP10929Mal-propionylamido-PEG7-acetic acid534.56≥95% Pricing
AP10930Mal-propionylamido-PEG8-acetic acid578.61≥95% Pricing
Mal-amido-PEG-acid
AP10724Mal-amido-PEG2-acid328.32≥95% Pricing
AP10725Mal-amido-PEG3-acid372.37≥95% Pricing
AP10741Mal-amido-PEG4-acid416.42≥95% Pricing
AP11475Mal-amido-PEG6-acid504.53≥95% Pricing
AP10722Mal-amido-PEG7-acid548.58≥95% Pricing
AP10984Mal-amido-PEG8-acid592.64≥95% Pricing
AP10723Mal-amido-PEG9-acid636.69≥95% Pricing
AP11476Mal-amido-PEG10-acid680.75≥95% Pricing
AP11477Mal-amido-PEG12-acid768.85≥95% Pricing
AP11478Mal-amido-PEG24-acid1297.49≥95% Pricing
Mal-amido-PEG-amine
AP10745Mal-amido-PEG2-amine299.32≥95% Pricing
AP11479Mal-amido-PEG9-amine TFA salt607.7≥95% Pricing
AP13273Mal-amido-PEG11-amine TFA salt809.8≥97% Pricing
AP13272Mal-amido-PEG23-amine1224.5≥98% Pricing
Mal-amido-PEG-NHS acetate
AP10931Mal-propionylamido-PEG1-NHS acetate367.31≥95% Pricing
AP10932Mal-propionylamido-PEG2-NHS acetate411.37≥95% Pricing
AP10063Mal-amido-PEG3-NHS acetate455.42≥95% Pricing
AP10933Mal-propionylamido-PEG4-NHS acetate499.47≥95% Pricing
AP10934Mal-propionylamido-PEG5-NHS acetate543.53≥95% Pricing
AP10935Mal-propionylamido-PEG6-NHS acetate587.58≥95% Pricing
AP10936Mal-propionylamido-PEG7-NHS acetate631.63≥95% Pricing
AP10937Mal-propionylamido-PEG8-NHS acetate675.69≥95% Pricing
Mal-amido-PEG-NHS ester
AP10938Mal-amido-PEG1 NHS ester381.34≥95% Pricing
AP11480Mal-amido-PEG2 NHS ester425.39≥95% Pricing
AP10939Mal-amido-PEG3 NHS ester469.45≥95% Pricing
AP10227Mal-amido-PEG4 NHS ester513.50≥95% Pricing
AP10940Mal-amido-PEG5 NHS ester557.55≥95% Pricing
AP11481Mal-amido-PEG6 NHS ester601.61≥95% Pricing
AP10941Mal-amido-PEG7 NHS ester645.66≥95% Pricing
AP10978Mal-amido-PEG8 NHS ester689.71≥95% Pricing
AP14625Mal-amido-PEG10 NHS ester777.80≥95% Pricing
AP10942Mal-amido-PEG12 NHS ester865.92≥95% Pricing
AP10943Mal-amido-PEG24 NHS ester1394.56≥95% Pricing
Mal-amido-PEG-TFP ester
AP11482Mal-amido-PEG2-TFP ester476.38≥95% Pricing
AP11483Mal-amido-PEG4-TFP ester564.49≥95% Pricing
AP11484Mal-amido-PEG8-TFP ester740.7≥95% Pricing
AP11485Mal-amido-PEG12-TFP ester916.91≥95% Pricing
AP11486Mal-amido-PEG24-TFP ester1445.55≥95% Pricing
AP13992Mal-amido-PEG36-TFP ester1974.20≥95% Pricing
Mal-PEG-acid
AP11444Mal-PEG1-acid213.19≥95% Pricing
AP10164Mal-PEG2-acid257.24≥95% Pricing
AP11445Mal-PEG3-acid301.3≥95% Pricing
AP10224Mal-PEG4-acid345.35≥95% Pricing
AP11446Mal-PEG5-acid389.4≥95% Pricing
AP10225Mal-PEG6-acid433.45≥95% Pricing
AP10226Mal-PEG8-acid521.56≥95% Pricing
AP11447Mal-PEG12-acid697.77≥95% Pricing
Mal-PEG-alcohol
AP11467Mal-PEG2-alcohol185.18≥95% Pricing
AP11468Mal-PEG3-alcohol229.23≥95% Pricing
AP11469Mal-PEG4-alcohol273.29≥95% Pricing
AP11470Mal-PEG8-alcohol449.5≥95% Pricing
AP13268Mal-PEG11-alcohol581.7≥98 Pricing
AP11471Mal-PEG12-alcohol625.71≥95% Pricing
Mal-PEG-amine
AP11472Mal-PEG2-amine TFA salt228.25≥95% Pricing
AP10050Mal-PEG3-amine272.30≥95% Pricing
AP13269Mal-PEG4-amine TFA salt316.4≥98% Pricing
Mal-PEG-azide
AP10055Mal-PEG2-azide254.24≥95% Pricing
AP10057Mal-PEG3-azide298.30≥95% Pricing
AP15254Mal-PEG5-azide457.48≥95% Pricing
Mal-PEG-CH2COOH
AP10159Mal-PEG2-CH2COOH243.21≥95% Pricing
AP10156Mal-PEG3-CH2COOH287.27≥95% Pricing
AP10160Mal-PEG5-CH2COOH375.37≥95% Pricing
Mal-PEG-Glu-NH-m-PEG
AP13372Mal-PEG4-Glu(OH)-NH-m-PEG241615.9≥98% Pricing
AP13373Mal-PEG4-Glu(TFP ester)-NH-m-PEG241763.9≥98% Pricing
Mal-PEG-Lys-NH-m-PEG
AP13371Mal-PEG4-Lys(TFA)-NH-m-PEG241729≥98% Pricing
AP13370Mal-PEG4-Lys(t-Boc)-NH-m-PEG241715.1≥98% Pricing
Mal-PEG-NH-Boc
AP11629Mal-NH-Boc240.26≥95% Pricing
AP11473Mal-PEG2-NH-Boc328.37≥95% Pricing
AP15099Mal-PEG4-NH-Boc416.5≥95% Pricing
AP14623Mal-PEG5-NH-Boc460.50≥95% Pricing
AP11474Mal-amido-PEG9-NH-Boc707.82≥95% Pricing
AP13289Mal-amido-PEG11-NH-Boc795.9≥98% Pricing
Mal-PEG-NHS ester
AP11448Mal-PEG1-NHS ester310.26≥95% Pricing
AP11449Mal-PEG2-NHS ester354.32≥95% Pricing
AP10054Mal-PEG3-CH2 NHS ester384.34≥95% Pricing
AP11450Mal-PEG3-NHS ester398.37≥95% Pricing
AP10698Mal-PEG4-NHS ester442.42≥95% Pricing
AP11451Mal-PEG5-NHS ester486.47≥95% Pricing
AP11452Mal-PEG6-NHS ester530.53≥95% Pricing
AP11453Mal-PEG8-NHS ester618.63≥95% Pricing
AP11454Mal-PEG12-NHS ester794.85≥95% Pricing
Mal-PEG-oxyamine
AP10056Mal-PEG2-oxyamine244.24≥95% Pricing
AP10058Mal-PEG3-oxyamine288.30≥95% Pricing
Mal-PEG-PFP ester
AP114916-Maleimidocaproic acid PFP ester377.27≥95% Pricing
AP11455Mal-PEG1-PFP379.24≥95% Pricing
AP11456Mal-PEG2-PFP423.29≥95% Pricing
AP11457Mal-PEG3-PFP467.35≥95% Pricing
AP11458Mal-PEG4-PFP511.4≥95% Pricing
AP11459Mal-PEG5-PFP555.45≥95% Pricing
AP11460Mal-PEG6-PFP599.5≥95% Pricing
Mal-PEG-t-butyl ester
AP11461Mal-PEG1-t-butyl ester269.3≥95% Pricing
AP10162Mal-PEG2-t-Butyl ester313.35≥95% Pricing
AP11462Mal-PEG3-t-butyl ester357.4≥95% Pricing
AP10699Mal-PEG4-t-butyl ester401.45≥95% Pricing
AP11463Mal-PEG5-t-butyl ester445.51≥95% Pricing
AP11466Mal-Amido-PEG4-t-butyl ester472.54≥95% Pricing
AP10987Mal-PEG6-t-butyl ester489.56≥95% Pricing
AP11464Mal-PEG8-t-butyl ester577.67≥95% Pricing
AP11465Mal-PEG12-t-butyl ester753.88≥95% Pricing
Mal-PEG-Tos
AP14199Mal-PEG2-Tos339.4≥95% Pricing
Mal-PEG-trimethylammonium chloride
AP13270Mal-PEG4-trimethylammonium chloride394.9≥98% Pricing
AP13271Mal-PEG5-trimethylammonium chloride438.9≥98% Pricing
Other-Mal-PEG
AP10646N-(2-Hydroxyethyl)maleimide141.12≥95% Pricing
AP106561-(3-hydroxypropyl)-1H-pyrrole-2,5-dione155.15≥95% Pricing
AP106471-(3-isocyanatopropyl)-1H-pyrrole-2,5-dione180.16≥95% Pricing
AP106526-Maleimido-1-Hexanal195.22≥95% Pricing
AP10680APN-Maleimide222.20≥95% Pricing
AP106551,4-Bis-maleimidobutane248.24≥95% Pricing
AP13274Mal-PEG2-Amide256.3≥97% Pricing
AP10052Mal-PEG3-CH2 tBu-ester343.37≥95% Pricing
AP13077Mal-PEG2-PNP350.28≥95% Pricing
AP10132Succinimidyl 6-(2-Boc-hydrazino) nicotinate350.33≥95% Pricing
AP10045Mal-CH2-Cyclohexylcarboxylhydrazide TFA365.31≥95% Pricing
AP10591Mal-PEG2-BocNH Tyrosine Methyl Ester462.5≥95% Pricing
AP14721Fluorescein-Maleimide529.50≥95% Pricing
AP14563N-Boc-N'-(PEG1-t-butyl ester)-L-Lysine-amido-Mal568.7≥95% Pricing
AP10576Mal-PEG1 Folate608.56≥95% Pricing
AP12869Mal-PEG1-Val-Ala-PAB-PNP653.64≥95% Pricing
AP10577DibromoMal-PEG1 Folate766.35≥95% Pricing
PEG-Mal-PEG
AP11754N-Mal-N-bis(PEG2-amine) TFA salt430.5≥95% Pricing
AP11743N-Mal-N-bis(PEG2-acid)488.49≥95% Pricing
AP11760N-Mal-N-bis(PEG2-t-butyl ester)600.71≥95% Pricing
AP11755N-Mal-N-bis(PEG4-amine) TFA salt606.71≥95% Pricing
AP11758N-Mal-N-bis(PEG2-NH-Boc)630.74≥95% Pricing
AP11744N-Mal-N-bis(PEG4-acid)664.7≥95% Pricing
AP11747N-Mal-N-bis(PEG2-NHS ester)682.64≥95% Pricing
AP11759N-Mal-N-bis(PEG4-NH-Boc)806.95≥95% Pricing
AP11748N-Mal-N-bis(PEG4-NHS ester)858.85≥95% Pricing
Propargyl-PEG-Maleimide
AP13859N-Propargyl-maleimide130.12≥95% Pricing
AP10161Mal-PEG2-propargyl223.23≥95% Pricing
AP13779Alkyne maleimide234.25≥95% Pricing
AP10049Mal-PEG3-propargyl267.28≥95% Pricing
AP10053Mal-PEG4-Propargyl311.33≥95% Pricing
TCO-PEG-Maleimide
AP10822TCO-PEG1-maleimide336.38≥95% Pricing
AP10823TCO-PEG2-maleimide380.44≥95% Pricing
AP10801TCO-PEG1-amido maleimide407.46≥95% Pricing
AP10824TCO-PEG3-maleimide424.49≥95% Pricing
AP10802TCO-PEG2-amido maleimide451.51≥95% Pricing
AP12629Sulfo TCO-Maleimide457.5≥95% Pricing
AP10825TCO-PEG4-maleimide468.54≥95% Pricing
AP10803TCO-PEG3-amido maleimide495.57≥95% Pricing
AP10826TCO-PEG5-maleimide512.59≥95% Pricing
AP12560TCO-C3-PEG3-C3-Amido-Maleimide523.62≥95% Pricing
AP10804TCO-PEG4-amido maleimide539.62≥95% Pricing
AP10827TCO-PEG6-maleimide556.65≥95% Pricing
AP10805TCO-PEG5-amido maleimide583.67≥95% Pricing
AP10828TCO-PEG7-maleimide600.71≥95% Pricing
AP10806TCO-PEG6-amido maleimide627.72≥95% Pricing
AP10807TCO-PEG7-amido maleimide671.78≥95% Pricing
AP10744TCO-PEG9-maleimide759.88≥95% Pricing
Tetrazine-PEG-Maleimide
AP10734Methyltetrazine-PEG3-Maleimide470.48≥95% Pricing
AP10721Methyltetrazine-PEG4-Maleimide514.53≥95% Pricing
AP13889Methyltetrazine-PEG12-Maleimide952.10≥95% Pricing

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