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E3876

Sigma-Aldrich

N-Ethylmaleimide

crystalline, ≥98% (HPLC)

Sinónimos:

NEM

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About This Item

Fórmula empírica (notación de Hill):
C6H7NO2
Número de CAS:
128-53-0
Peso molecular:
125.13
Beilstein/REAXYS Number:
112448
EC Number:
204-892-4
MDL number:
MFCD00005509
UNSPSC Code:
12352106
PubChem Substance ID:
24278420
NACRES:
NA.21

biological source

synthetic (organic)

Quality Level

200

assay

≥98% (HPLC)

form

crystalline

storage condition

(Tightly closed. Dry. Keep in a well-ventilated place. )

technique(s)

activity assay: suitable
co-immunoprecipitation (co-IP): suitable
immunoblotting: suitable

color

white to faint yellow

bp

210 °C (lit.)

mp

43-46 °C (lit.)

solubility

ethanol: 50 mg/mL, clear to slightly hazy, colorless to faint yellow or tan

suitability

suitable for Western blot

application(s)

life science and biopharma

storage temp.

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

human ... KCNQ2(3785) , KCNQ4(9132) , KCNQ5(56479) , SLC6A3(6531) , SLC6A4(6532)

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Application

Reagent for the covalent modification of cysteine residues in proteins.

Biochem/physiol Actions

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.

Preparation Note

NEM gives a clear solution in ethanol at 50 mg/ml. NEM dissolves in water (>50 mg in 4 ml); however, aqueous solutions are unstable. The rate of hydrolysis is pseudo-first order and significantly dependent on pH.

Other Notes

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comparable product

Referencia del producto
Descripción
Precios

E1271

N-Ethylmaleimide, BioXtra, ≥98% (HPLC)

04259

N-Ethylmaleimide, BioUltra, ≥99.0% (HPLC)

04260

N-Ethylmaleimide, purum p.a., ≥99.0% (HPLC)

pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

signalword

Danger

Hazard Classifications

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

Storage Class

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

wgk_germany

WGK 3

flash_point_f

163.2 °F - closed cup

flash_point_c

72.9 °C - closed cup

ppe

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

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Certificados de análisis (COA)

Lot/Batch Number
SLCM4380
SLCM4179
SLCM4890
SLCM4379
SLCM2326

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Koichi Tan-No et al.
International review of neurobiology, 85, 191-205 (2009-07-18)
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Biochemistry, 52(42), 7405-7427 (2013-09-21)
Muscarinic and other G protein-coupled receptors exhibit an agonist-specific heterogeneity that tracks efficacy and commonly is attributed to an effect of the G protein on an otherwise homogeneous population of sites. To examine this notion, M2 muscarinic receptors were purified
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Journal of medicinal chemistry, 52(23), 7410-7420 (2009-07-09)
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The Journal of cell biology, 186(5), 685-692 (2009-09-02)
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