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N-Ethylmaleimide

CAS 128-53-0: N-Ethylmaleimide

Description:N-Ethylmaleimide is an organic compound characterized by its maleimide structure, which features a five-membered ring containing a carbonyl group and a nitrogen atom. It is a colorless to pale yellow liquid at room temperature, exhibiting a distinctive odor. This compound is known for its reactivity, particularly in forming covalent bonds with nucleophiles, making it a valuable reagent in organic synthesis and biochemistry. N-Ethylmaleimide is often used in the modification of proteins and peptides, as it can selectively react with thiol groups, facilitating the study of protein structure and function. Additionally, it is utilized in the production of polymers and as a cross-linking agent in various chemical processes. The compound is soluble in organic solvents such as acetone and ethanol but has limited solubility in water. Safety precautions should be taken when handling N-Ethylmaleimide, as it can be irritating to the skin and eyes, and proper storage conditions are necessary to maintain its stability.

Formula:C6H7NO2

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

InChI key:InChIKey=HDFGOPSGAURCEO-UHFFFAOYSA-N

SMILES:O=C1C=CC(=O)N1CC

  • Synonyms:
  • 1-Ethyl-1H-pyrrole-2,5-dione
  • 1-Ethyl-2,5-dihydro-1H-pyrrole-2,5-dione
  • Ethylmaleimide
  • Maleic acid N-ethylimide
  • Maleimide, N-ethyl-
  • N-Ethylmaleimid
  • N-Ethylmaleimide
  • N-etilmaleimida
  • NEM
  • Nsc 7638
  • See more synonyms
  • 1H-Pyrrole-2,5-dione, 1-ethyl-
  • N-Ethylmaleimide, (NEM)
  • 1-Ethyl-1H-pyrrole-2,5-dione~NEM
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N-Ethylmaleimide

CAS:128-53-0

Ref: 3B-E0136

1g27.00 €
5g62.00 €
25g180.00 €
Estimated delivery in United States, on Wednesday 26 Feb 2025
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N-Ethylmaleimide, 99+%

CAS:128-53-0

Ref: 02-040526

1g53.00 €
5g92.00 €
25g297.00 €
Estimated delivery in United States, on Thursday 27 Feb 2025
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N-Ethylmaleimide, 98+%

CAS:128-53-0

Ref: 02-L00355

10g106.00 €
50g375.00 €
Estimated delivery in United States, on Thursday 27 Feb 2025
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N-Ethylmaleimide, 98+%

CAS:128-53-0

Ref: AC-15610

5g96.00 €
10g153.00 €
50g534.00 €
250gTo inquire
Estimated delivery in United States, on Monday 3 Mar 2025
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Ref: IN-DA000XNW

1g24.00 €
5g43.00 €
10g57.00 €
25g115.00 €
100g225.00 €
500gTo inquire
250mg25.00 €
Estimated delivery in United States, on Wednesday 5 Mar 2025
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N-Ethylmaleimide

CAS:128-53-0

Ref: 7W-GK7362

1g31.00 €
5g75.00 €
Estimated delivery in United States, on Thursday 6 Mar 2025
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N-Ethylmaleimide

CAS:128-53-0

Ref: 54-OR1014360

5g32.00 €
25g88.00 €
100g259.00 €
500g936.00 €
Estimated delivery in United States, on Thursday 6 Mar 2025
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N-Ethylmaleimide

CAS:128-53-0

Ref: 10-F047870

1g24.00 €
5g42.00 €
10g69.00 €
25g126.00 €
100g399.00 €
500g1,054.00 €
Estimated delivery in United States, on Monday 10 Mar 2025
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N-Ethylmaleimide

CAS:128-53-0

Ref: TM-T3088

1g225.00 €
10mg47.00 €
25mg67.00 €
100mg89.00 €
200mg97.00 €
500mg156.00 €
1mL*10mM (DMSO)50.00 €
Estimated delivery in United States, on Wednesday 12 Mar 2025
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N-Ethyl Maleimide (1M Solution in Acetonitrile)

Controlled Product
CAS:128-53-0

Ref: TR-KIT4159

1x5ml584.00 €
Estimated delivery in United States, on Monday 17 Mar 2025
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N-Ethyl Maleimide

Controlled Product
CAS:128-53-0

Ref: TR-E817900

1g154.00 €
5g178.00 €
10g346.00 €
Estimated delivery in United States, on Monday 17 Mar 2025
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N-Ethyl maleimide

CAS:128-53-0

Ref: 3D-FE05855

5g255.00 €
10g359.00 €
25g585.00 €
50g963.00 €
100g1,524.00 €
Estimated delivery in United States, on Tuesday 18 Mar 2025
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N-Ethylmaleimide ExiPlus, Multi-Compendial, 99%

CAS:128-53-0

Discontinued product
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N-Ethylmaleimide extrapure, 99%

CAS:128-53-0

Discontinued product
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