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N-Ethylmaleimide, 98+%, Thermo Scientific Chemicals

$188.32 - $565.19

Chemical Identifiers

CAS 128-53-0
Molecular Formula C6H7NO2
Molecular Weight (g/mol) 125.127
MDL Number MFCD00005509
InChI Key HDFGOPSGAURCEO-UHFFFAOYSA-N
Synonym n-ethylmaleimide, ethylmaleimide, 1-ethyl-1h-pyrrole-2,5-dione, maleimide, n-ethyl, 1h-pyrrole-2,5-dione, 1-ethyl, maleic acid n-ethylimide, nem, usaf b-121, unii-o3c74acm9v, maleic acid-n-ethylimide
PubChem CID 4362
ChEBI CHEBI:44485
IUPAC Name 1-ethylpyrrole-2,5-dione
SMILES CCN1C(=O)C=CC1=O
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Products 2
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAL0035509
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Thermo Scientific Chemicals
L0035509
10 g
Each for $188.32
 
AAL0035518
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Thermo Scientific Chemicals
L0035518
50 g
Each for $565.19
 
Description

Description

Cysteine alkylating agent N-Ethylmaleimide is a protein thiol modifier which inhibits apoptotic DNA fragmentation. It is a sulfhydryl reagent and finds application in experimental biochemical studies as well as in enzymology. It is involved in the modification of cysteine residues in proteins and peptides. It acts as a Michael acceptor and reacts with nucelophiles like thiols. It is employed in the inhibition of Mg2+-dependent internucleosomal DNA fragmentation.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Cysteine alkylating agent N-Ethylmaleimide is a protein thiol modifier which inhibits apoptotic DNA fragmentation. It is a sulfhydryl reagent and finds application in experimental biochemical studies as well as in enzymology. It is involved in the modification of cysteine residues in proteins and peptides. It acts as a Michael acceptor and reacts with nucelophiles like thiols. It is employed in the inhibition of Mg2+-dependent internucleosomal DNA fragmentation.

Solubility
Soluble in ethanol, water, chloroform, methanol and toluene.

Notes
Light sensitive. Store in cool place. Incompatible with strong oxidizing agents, strong acids and strong bases.
Specifications

Chemical Identifiers

128-53-0
125.127
HDFGOPSGAURCEO-UHFFFAOYSA-N
4362
1-ethylpyrrole-2,5-dione
C6H7NO2
MFCD00005509
n-ethylmaleimide, ethylmaleimide, 1-ethyl-1h-pyrrole-2,5-dione, maleimide, n-ethyl, 1h-pyrrole-2,5-dione, 1-ethyl, maleic acid n-ethylimide, nem, usaf b-121, unii-o3c74acm9v, maleic acid-n-ethylimide
CHEBI:44485
CCN1C(=O)C=CC1=O

Specifications

128-53-0
209°C to 211°C
Pungent
MFCD00005509
UN2928
Light sensitive
n-ethylmaleimide, ethylmaleimide, 1-ethyl-1h-pyrrole-2,5-dione, maleimide, n-ethyl, 1h-pyrrole-2,5-dione, 1-ethyl, maleic acid n-ethylimide, nem, usaf b-121, unii-o3c74acm9v, maleic acid-n-ethylimide
HDFGOPSGAURCEO-UHFFFAOYSA-N
1-ethylpyrrole-2,5-dione
4362
125.13
N-Ethylmaleimide
43°C to 46°C
73°C (163°F)
C6H7NO2
10 g
112448
14,3822
Soluble in ethanol,water,chloroform,methanol and toluene.
CCN1C(=O)C=CC1=O
125.127
CHEBI:44485
≥98%
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Safety and Handling

Safety and Handling

GHS H Statement
H300-H311-H314-H318-H317
Fatal if swallowed.
Toxic in contact with skin.
Causes severe skin burns and eye damage.
Causes serious eye damage.
May cause an allergic skin reaction.

P260-P264b-P270-P271-P272-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P333+P313-P363-P501c

H300-H311-H314-H317-H335

DOTInformation : Transport Hazard Class: 6.1; Packing Group: II; Proper Shipping Name: TOXIC SOLIDS, CORROSIVE, ORGANIC, N.O.S.

EINECSNumber : 204-892-4

RTECSNumber : UX9625000

TSCA : Yes

Recommended Storage : Ambient temperatures

SDS
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RUO – Research Use Only