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N-ethyl-2-methylmaleimide

N-ethyl-2-methylmaleimide structure

CAS No.: 31217-72-8

Chemical Name:: N-ethyl-2-methylmaleimide

Synonyms: N-ethyl-2-methylmaleimide;1-Ethyl-3-methyl-1H-pyrrol-2,5-dione;1-ethyl-3-methyl-1H-pyrrole-2,5-dione;1H-Pyrrole-2,5-dione, 1-ethyl-3-methyl-;1-ethyl-3-methyl-2,5-dihydro-1H-pyrrole-2,5-dione

CBNumber:: CB14648317

Molecular Formula:: C7H9NO2

Molecular Weight:: 139.15

MDL Number:: MFCD01716140

MOL File:: 31217-72-8.mol

MSDS File:: SDS

Last updated:2026-05-27 23:37:23

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N-ethyl-2-methylmaleimide Properties

Boiling point	255.1°C (rough estimate)
Density	1.1997 (rough estimate)
refractive index	1.4800 (estimate)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07,GHS05
Signal word	Danger
Hazard statements	H314-H317-H302
Precautionary statements	P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501-P264-P270-P301+P312-P330-P501-P261-P272-P280-P302+P352-P333+P313-P321-P363-P501

N-ethyl-2-methylmaleimide price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
aablocks	AA01A9NL	1-ethyl-3-methyl-2,5-dihydro-1H-pyrrole-2,5-dione 95%	31217-72-8	100mg	$113	2026-05-29	Buy
aablocks	AA01A9NL	1-ethyl-3-methyl-2,5-dihydro-1H-pyrrole-2,5-dione 95%	31217-72-8	250mg	$218	2026-05-29	Buy
aablocks	AA01A9NL	1-ethyl-3-methyl-2,5-dihydro-1H-pyrrole-2,5-dione 95%	31217-72-8	1g	$552	2026-05-29	Buy
aablocks	AA01A9NL	1-ethyl-3-methyl-2,5-dihydro-1H-pyrrole-2,5-dione 95%	31217-72-8	5g	$1653	2026-05-29	Buy
TRC	B439835	1-ethyl-3-methyl-2,5-dihydro-1H-pyrrole-2,5-dione	31217-72-8	25mg	$45	2021-12-16	Buy

Product number	Packaging	Price	Buy
AA01A9NL	100mg	$113	Buy
AA01A9NL	250mg	$218	Buy
AA01A9NL	1g	$552	Buy
AA01A9NL	5g	$1653	Buy
B439835	25mg	$45	Buy

N-ethyl-2-methylmaleimide Preparation Products And Raw materials

Raw materials

Preparation Products

N-ethyl-2-methylmaleimide Suppliers

Global Suppliers ( 5)

Supplier	Tel	Email	Country	ProdList	Advantage
Shanghai Balmxy Pharmaceutical Co., Ltd	021-24206007 13764915196	sales@balmxy.com	China	6959	55
Beijing xinyanhui pharmaceutical research and development co., LTD	13969155946	1461866103@qq.com	China	16103	58
Block Chemical Technology (Shanghai) Co., Ltd.	021-20432219 13918097649	li_jinfei@acblock-lab.com	China	10032	58
Hubei Hannuo Pharmaceutical Technology Co., Ltd	18662190603	437347250@qq.com	China	7324	58
https://www.shachemlin.cn/	68080707 15021879576	ming-jiao.wu@chemlin.com.cn	China	9062	58

Supplier	Advantage
Shanghai Balmxy Pharmaceutical Co., Ltd	55
Beijing xinyanhui pharmaceutical research and development co., LTD	58
Block Chemical Technology (Shanghai) Co., Ltd.	58
Hubei Hannuo Pharmaceutical Technology Co., Ltd	58
https://www.shachemlin.cn/	58

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N-ethyl-2-methylmaleimide 1-ethyl-3-methyl-2,5-dihydro-1H-pyrrole-2,5-dione 1H-Pyrrole-2,5-dione, 1-ethyl-3-methyl- 1-ethyl-3-methyl-1H-pyrrole-2,5-dione 1-Ethyl-3-methyl-1H-pyrrol-2,5-dione 31217-72-8