4-Oxo-4-(4-toluidino)but-2-enoic acid

4-Oxo-4-(4-toluidino)but-2-enoic acid structure

CAS No.: 24870-11-9

Chemical Name:: 4-Oxo-4-(4-toluidino)but-2-enoic acid

Synonyms: ASISCHEM Z45642;N-p-Tolylmaleamidic acid;N-(p-Tolyl)maleamidic acid;N-(4-METHYLPHENYL)MALEAMIC ACID;3-p-Tolylcarbamoyl-acrylic acid;N-(4-Methylphenyl)maleamidic acid;4-Oxo-4-(4-toluidino)but-2-enoic acid;(Z)-4-oxo-4-(p-tolylamino)but-2-enoic acid;(Z)-4-(4-Methylanilino)-4-oxo-2-butenoic acid;4-[(4-Methylphenyl)amino]-4-oxobut-2-enoic acid

CBNumber:: CB6301309

Molecular Formula:: C11H11NO3

Molecular Weight:: 205.21

MDL Number:: MFCD00020480

MOL File:: 24870-11-9.mol

Last updated:2026-09-12 18:54:11

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4-Oxo-4-(4-toluidino)but-2-enoic acid Properties

Melting point	193 °C(Solv: ethanol (64-17-5))
Boiling point	446.0±45.0 °C(Predicted)
Density	1.282±0.06 g/cm3(Predicted)
pka	2.81±0.25(Predicted)

4-Oxo-4-(4-toluidino)but-2-enoic acid price More Price(14)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Matrix Scientific	084697	4-[(4-Methylphenyl)amino]-4-oxobut-2-enoic acid	24870-11-9	1.00g	$120	2026-05-18	Buy
Crysdot	CD12091856	4-Oxo-4-(p-tolylamino)but-2-enoic acid 95+%	24870-11-9	10g	$416	2026-05-27	Buy
Atlantic Research Chemicals	XS001451	4-[(4-Methylphenyl)amino]-4-oxobut-2-enoic acid 95	24870-11-9	250mg	$19.05	2026-05-23	Buy
Atlantic Research Chemicals	XS001451	4-[(4-Methylphenyl)amino]-4-oxobut-2-enoic acid 95	24870-11-9	500mg	$25.4	2026-05-23	Buy
Atlantic Research Chemicals	XS001451	4-[(4-Methylphenyl)amino]-4-oxobut-2-enoic acid 95	24870-11-9	1g	$38.1	2026-05-23	Buy

Product number	Packaging	Price	Buy
084697	1.00g	$120	Buy
CD12091856	10g	$416	Buy
XS001451	250mg	$19.05	Buy
XS001451	500mg	$25.4	Buy
XS001451	1g	$38.1	Buy

4-Oxo-4-(4-toluidino)but-2-enoic acid Chemical Properties, Uses, Production

4-Oxo-4-(4-toluidino)but-2-enoic acid synthesis

Synthesis of 4-Oxo-4-(4-toluidino)but-2-enoic acid from Maleic anhydride and p-Toluidine

4-Oxo-4-(4-toluidino)but-2-enoic acid Preparation Products And Raw materials

Raw materials

Preparation Products

2-(3-Oxo-1,2,3,4-tetrahydro-quinoxalin-2-yl)-N-p-tolyl-acetamide

4-Oxo-4-(4-toluidino)but-2-enoic acid Suppliers

Global Suppliers ( 16)

Supplier	Tel	Email	Country	ProdList	Advantage
Zhengzhou Guancheng Laboratory equipment Sales	0371-88888888 qq272369594;2159423853qq	2723695949@qq.com	China	4991	50
Yantai ShengKailun Chemical Technology Co., Ltd.	13356901049	3119594100@qq.com	China	7964	55
Jinan Liheng Biotechnology Co., Ltd.	0531-18763987518 18763987518	levi@lihengpharm.com	China	1760	58
Beijing FYF Chemicals Co., Ltd	010-57903446 15869909019	168931144@qq.com	China	4995	58
Nanjing Shizhou Biology Technology Co.,Ltd	--	purchase@synzest.com	China	6856	58
Shandong Libixi Biopharmaceutical Technology Co., Ltd.	15318973357; 15318973357	1460285141@qq.com	China	9642	58
Nanxing Chemical (Jiangsu) Co., Ltd	0512-66387035 18662433356	18662433356@163.com	China	9516	58
SUZHOU SENFEIDA CHEMICAL CO., LTD	18796480002 18796480002	18796480002@163.com	China	10594	58
Shandong Liteng Biotechnology Co. , Ltd.	+86-18663721413 +86-15552573001	rosy@litengpharm.com	China	3279	58
Aladdin Scientific		tp@aladdinsci.com	United States	50089	58

Supplier	Advantage
Zhengzhou Guancheng Laboratory equipment Sales	50
Yantai ShengKailun Chemical Technology Co., Ltd.	55
Jinan Liheng Biotechnology Co., Ltd.	58
Beijing FYF Chemicals Co., Ltd	58
Nanjing Shizhou Biology Technology Co.,Ltd	58
Shandong Libixi Biopharmaceutical Technology Co., Ltd.	58
Nanxing Chemical (Jiangsu) Co., Ltd	58
SUZHOU SENFEIDA CHEMICAL CO., LTD	58
Shandong Liteng Biotechnology Co. , Ltd.	58
Aladdin Scientific	58

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ASISCHEM Z45642 N-(4-METHYLPHENYL)MALEAMIC ACID (Z)-4-(4-Methylanilino)-4-oxo-2-butenoic acid (Z)-4-(4-Methylphenylamino)-4-oxo-2-butenoic acid N-(4-Methylphenyl)maleamidic acid N-(p-Tolyl)maleamidic acid N-p-Tolylmaleamidic acid 4-[(4-Methylphenyl)amino]-4-oxobut-2-enoic acid 3-p-Tolylcarbamoyl-acrylic acid 2-Butenoic acid, 4-[(4-methylphenyl)amino]-4-oxo-, (2Z)- (2E)-4-[(4-methylphenyl)amino]-4-oxobut-2-enoic Acid (Z)-4-oxo-4-(p-tolylamino)but-2-enoic acid 4-Oxo-4-(4-toluidino)but-2-enoic acid 24870-11-9