Merck
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04259

Sigma-Aldrich

N-Ethylmaleimide

BioUltra, ≥99.0% (HPLC)

Synonym(s):
NEM
Empirical Formula (Hill Notation):
C6H7NO2
CAS Number:
Molecular Weight:
125.13
Beilstein:
112448
Número EC:
Número MDL:
ID de substância PubChem:
NACRES:
NA.26

linha de produto

BioUltra

Nível de qualidade

200

teor

≥99.0% (HPLC)

Impurezas

insoluble matter, passes filter test

resíduo de ignição

≤0.05%

pb

210 °C (lit.)

pf

43-46 °C (lit.)
44-47 °C

solubilidade

methanol: 1 M at 20 °C, clear, colorless

traços de ânion

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤100 mg/kg

traços de cátion

Al: ≤5 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

absorção

cut-off at 382 nm in methanol at 1 M

temperatura de armazenamento

2-8°C

SMILES string

CCN1C(=O)C=CC1=O

InChI

1S/C6H7NO2/c1-2-7-5(8)3-4-6(7)9/h3-4H,2H2,1H3

InChI key

HDFGOPSGAURCEO-UHFFFAOYSA-N

Gene Information

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Aplicação

N-Ethylmaleimide (NEM) has been used:
  • to prepare NEM-modified myosin beads
  • to block unmodified free thiols in samples
  • as a supplement in IP lysis/wash buffer for in vitro SUMOylation assay

Reagent for the covalent modification of cysteine residues in proteins.

Ações bioquímicas/fisiológicas

Augments currents from native M-channels in sympathetic neurons and acts as an opener for KCNQ2, KCNQ4 and KCNQ5 channels.
Sulfhydryl alkylating agent that inactivates NADP-dependent isocitrate dehydrogenase and many endonucleases.

Pictogramas

CorrosionSkull and crossbones

Palavra indicadora

Danger

Classificações de perigo

Acute Tox. 2 Oral - Acute Tox. 3 Dermal - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1

Código de classe de armazenamento

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

WGK

WGK 3

Ponto de fulgor (ºF)

163.2 °F

Ponto de fulgor (ºC)

72.9 °C

Equipamento de proteção individual

Eyeshields, Faceshields, Gloves, type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges

Certificate of Analysis

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Certificate of Origin

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