PEG Maleimide

PEG Maleimide

PEG Maleimide allows efficient PEGylation of sulfhydryl groups at pH 6.5-7.5; the reaction of the maleimide group results in the formation of a thioether bond.
Product Number
Product Name
Structure
M.W.
Purity
Mal-PEG1-acid
213.2
98%
Mal-PEG2-acid
257.2
98%
Mal-PEG3-acid
301.3
98%
Mal-PEG4-acid
345.4
98%
Mal-PEG5-acid
389.4
98%
Mal-PEG6-acid
433.5
98%
Mal-PEG8-acid
521.6
95%
Mal-PEG12-acid
697.8
98%
 
 
Mal-PEG1-NHS ester
310.3
98%
Mal-PEG2-NHS ester
354.3
98%
Mal-PEG3-NHS ester
398.4
98%
Mal-PEG4-NHS ester
442.4
98%
Mal-PEG5-NHS ester
486.5
98%
Mal-PEG6-NHS ester
530.5
98%
Mal-PEG8-NHS ester
618.6
97%
Mal-PEG12-NHS ester
794.9
96%
 
 
Mal-PEG1-PFP
379.2
98%
Mal-PEG2-PFP
423.3
98%
Mal-PEG3-PFP
467.3
98%
Mal-PEG4-PFP
511.4
98%
Mal-PEG5-PFP
555.5
98%
Mal-PEG6-PFP
599.5
98%
 
 
Mal-PEG1-t-butyl ester
269.3
98%
Mal-PEG2-t-butyl ester
313.3
98%
Mal-PEG3-t-butyl ester
357.4
98%
Mal-PEG4-t-butyl ester
401.5
98%
Mal-PEG5-t-butyl ester
445.5
98%
Mal-PEG6-t-butyl ester
489.6
98%
Mal-PEG8-t-butyl ester
577.7
98%
Mal-PEG12-t-butyl ester
753.9
98%
 
Mal-Amido-PEG4-t-butyl ester
472.5
98%
 
 
Mal-PEG2-alcohol
185.2
98%
Mal-PEG3-alcohol
229.2
98%
Mal-PEG4-alcohol
273.3
95%
Mal-PEG8-alcohol
449.5
Mal-PEG12-alcohol
625.7
 
 
Mal-PEG2-amine TFA salt
228.3
98%
Mal-PEG4-amine TFA salt
316.4
98%
Mal-PEG5-amine TFA salt
360.4
98%
 
Mal-PEG5-trimethylammonium chloride
438.9
98%
 
 
Mal-PEG2-NH-Boc
328.4
98%
 
Mal-amido-PEG9-NHBoc
707.8
98%
 
 
Mal-amido-PEG2-acid
328.3
97%
Mal-amido-PEG4-acid
416.4
97%
Mal-amido-PEG6-acid
504.5
97%
Mal-amido-PEG8-acid
592.6
97%
Mal-amido-PEG10-acid
680.8
97%
Mal-amido-PEG12-acid
768.9
97%
Mal-amido-PEG24-acid
1297.5
97%
 
 
Mal-amido-PEG9-amine TFA salt
607.7
98%
 
 
Mal-amido-PEG2-NHS
425.4
95%
Mal-amido-PEG4-NHS
513.5
95%
Mal-amido-PEG6-NHS
601.6
95%
Mal-amido-PEG8-NHS
689.7
95%
Mal-amido-PEG12-NHS
865.9
95%
Mal-amido-PEG24-NHS
1394.6
95%
 
 
Mal-amido-PEG2-TFP ester
476.4
95%
Mal-amido-PEG4-TFP ester
564.5
95%
Mal-amido-PEG8-TFP ester
740.7
95%
Mal-amido-PEG12-TFP ester
916.9
95%
Mal-amido-PEG24-TFP ester
1445.6
95%
 
 
m-PEG4-Mal
358.4
98%
m-PEG6-Mal
446.5
98%
m-PEG8-Mal
534.6
98%
m-PEG12-Mal
710.8
98%
m-PEG24-Mal
1239.5
98%
m-PEG36-Mal
1768.1
98%
m-PEG48-Mal
2296.8
98%
 
 
3-Maleimidopropionic acid
169.1
98%
4-(2,5-dioxo-2H-pyrrol-1(5H)-yl)butanoic acid
183.2
96%
5-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)pentanoic acid
197.2
98%
6-Maleimidocaproic acid
211.2
98%
 
4-((2,5-Dioxo-2H-pyrrol-1(5H)-yl)methyl)cyclohexanecarboxylic acid
237.3
96%
 
 
1-(2-Aminoethyl)-1H-pyrrole-2,5-dione TFA salt
140.1
95%
Mal-C6-amine TFA salt
196.3
95%
 
 
Mal-PEG1-Bromide
248.1
98%
 
 
3-Maleimido-propionic NHS ester
266.2
98%
Mal-heptanoic NHS ester
308.3
98%
 
6-Maleimidocaproic acid PFP ester
377.3
96%
 
 
tert-butyl 2-(2,5-dioxo-2H-pyrrol-1(5H)-yl)ethylcarbamate
240.3
95%
tert-butyl 6-(2,5-dioxo-2H-pyrrol-1(5H)-yl)hexylcarbamate
296.4
96%
 
 
Bis-Mal-PEG3
494.5
98%
Bis-Mal-PEG6
626.7
98%
Bis-Mal-PEG11
846.9
98%
Bis-Mal-PEG19
1199.4
98%
 
 
Mal-PEG4-Glu(OH)-NH-m-PEG24
1615.9
98%
 
Mal-PEG4-Glu(TFP ester)-NH-m-PEG24
1763.9
98%
 
 
Mal-PEG4-Lys(t-Boc)-NH-m-PEG24
1715.1
98%
 
Mal-PEG4-Lys(TFA)-NH-m-PEG24
1729.0
98%
 
 
Bis-Mal-Lysine-PEG4-acid
695.7
98%
 
Bis-Mal-Lysine-PEG4-TFP ester
843.8
98%
 
 
3,4-Dibromo-Mal-PEG8-acid
679.4
97%
 
3,4-Dibromo-Mal-PEG2-Amine TFA salt
386.0
98%
 
3,4-Dibromo-Mal-PEG2-Boc-Amine
486.2
98%
 
3,4-Dibromo-Mal-PEG4-t-butyl ester
559.3
98%
3,4-Dibromo-Mal-PEG8-t-butyl ester
735.5
98%
 
 
N-Mal-N-bis(PEG2-amine) TFA salt
430.5
98%
N-Mal-N-bis(PEG4-amine) TFA salt
606.7
98%
 
N-(Mal-PEG6)-N-bis(PEG3-amine) TFA salt
854.0
98%
 
N-Mal-N-bis(PEG2-acid)
488.5
98%
N-Mal-N-bis(PEG4-acid)
664.7
98%
 
N-Mal-N-bis(PEG2-NHS ester)
682.6
98%
N-Mal-N-bis(PEG4-NHS ester)
858.9
98%
 
Tri(Mal-PEG2-amide)-amine
1077.2
98%
 
N-(Mal-PEG6)-N-bis(PEG7-TCO)
1653.0
90%
 
N-Mal-N-bis(PEG2-NH-Boc)
630.7
98%
N-Mal-N-bis(PEG4-NH-Boc)
807.0
98%
 
N-Mal-N-bis(PEG2-t-butyl ester)
600.7
98%