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Sigma-Aldrich

Poly(ethylene glycol) (N-hydroxysuccinimide 5-pentanoate) ether N′-(3-maleimidopropionyl)aminoethane

average Mn 4,000

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Synonym(s):
Maleimide polyoxyethylene NHS-protected valeric acid, Maleimide-PEG-NHS protected acid, Maleimide-PEG-acid, maleimide-PEG-valeric acid
Linear Formula:
C7H7N2O3(C2H4O)nC9H12NO4
CAS Number:
NACRES:
NA.23

form

solid

Quality Level

mol wt

average Mn 4,000

reaction suitability

reagent type: cross-linking reagent
reactivity: amine reactive

reagent type: cross-linking reagent
reactivity: thiol reactive

transition temp

Tm 46-51 °C

Ω-end

NHS ester

α-end

maleimide

polymer architecture

shape: linear
functionality: heterobifunctional

storage temp.

−20°C

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This Item
757837757896757845
mol wt

average Mn 4,000

mol wt

PEG average Mn 3,400 (n~77), average Mn 3,500

mol wt

PEG average Mn 3,400 (n~77), average Mn 3,500

mol wt

PEG average Mn 5,000 (n~110)

reaction suitability

reagent type: cross-linking reagent
reactivity: amine reactive, reagent type: cross-linking reagent
reactivity: thiol reactive

reaction suitability

reagent type: cross-linking reagent
reactivity: amine reactive, reagent type: cross-linking reagent
reactivity: thiol reactive

reaction suitability

reagent type: cross-linking reagent
reactivity: amine reactive, reagent type: cross-linking reagent
reactivity: carboxyl reactive

reaction suitability

reagent type: cross-linking reagent
reactivity: amine reactive, reagent type: cross-linking reagent
reactivity: thiol reactive

transition temp

Tm 46-51 °C

transition temp

Tm 52-57 °C

transition temp

-

transition temp

Tm 50-54 °C

Ω-end

NHS ester

Ω-end

thiol

Ω-end

amine

Ω-end

thiol

α-end

maleimide

α-end

carboxylic acid

α-end

carboxylic acid

α-end

carboxylic acid

General description

PEG average Mn 3,400; n~77

Application

Applications have been reported for: bioconjugation, drug delivery, PEG hydrogel, crosslinker, and surface functionalization.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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