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129585

Sigma-Aldrich

Maleimide

99%

Synonym(s):

2,5-Pyrroledione

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About This Item

Empirical Formula (Hill Notation):
C4H3NO2
CAS Number:
Molecular Weight:
97.07
Beilstein:
106910
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

99%

form

powder

mp

91-93 °C (lit.)

functional group

maleimide

SMILES string

O=C1NC(=O)C=C1

InChI

1S/C4H3NO2/c6-3-1-2-4(7)5-3/h1-2H,(H,5,6,7)

InChI key

PEEHTFAAVSWFBL-UHFFFAOYSA-N

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General description

Maleimide (2,5-Pyrroledione) is a new nanoparticle surface functional group which favors easy conjugation with cell penetration peptides. The conjugation is enabled via click chemistry to preserve its biofunctions.

Maleimide is used as a dienophile in Diels Alder reaction for the synthesis of macromolecules.

Application

Rhodium-catalyzed conjugate arylation with arylboronic acids.
The maleimide-functionalized silica beads were used to immobilize the bovine serum albumin (BSA)-boronic acid (BA) conjugates.

Pictograms

Skull and crossbonesCorrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 2 Oral - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Guangxue Feng et al.
Small (Weinheim an der Bergstrasse, Germany), 10(6), 1212-1219 (2013-12-18)
Single-chain conjugated polymer (CP) dots embedded nanoparticles (NPs) bearing cell penetration peptide (TAT) as surface ligands are synthesized for long term cancer cell tracing applications. The CPNPs are fabricated by matrix-encapsulation method and the embedded CPs can be modulated into
Meng Ke et al.
PLoS computational biology, 13(6), e1005603-e1005603 (2017-06-16)
GLUT1 facilitates the down-gradient translocation of D-glucose across cell membrane in mammals. XylE, an Escherichia coli homolog of GLUT1, utilizes proton gradient as an energy source to drive uphill D-xylose transport. Previous studies of XylE and GLUT1 suggest that the
Paulo L Onuchic et al.
Scientific reports, 9(1), 12161-12161 (2019-08-23)
Liquid-liquid phase separation (LLPS) of RNA-protein complexes plays a major role in the cellular function of membraneless organelles (MLOs). MLOs are sensitive to changes in cellular conditions, such as fluctuations in cytoplasmic ion concentrations. To investigate the effect of these
Tetrahedron Letters, 48, 4413-4413 (2007)
The furan/maleimide Diels--Alder reaction: A versatile click--unclick tool in macromolecular synthesis
Gandini A.
Progress in Polymer Science, 38, 1-29 (2013)

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