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4-(N-methyl-N-nitroso)aminoantipyrine

4-(N-methyl-N-nitroso)aminoantipyrine structure

CAS No.: 73829-38-6

Chemical Name:: 4-(N-methyl-N-nitroso)aminoantipyrine

Synonyms: N-Nitroso Metamizole EP Impurity C;MNAA;S-75-2230;N-Nitrosomethylaminoantipyrine;N-Nitroso-4-(methylamino)antipyrine;4-(N-methyl-N-nitroso)aminoantipyrine;1,2-Dihydro-1,5-dimethyl-4-(methylnitrosoamino)-2-phenyl-3H-pyrazol-3-one;3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-4-(methylnitrosoamino)-2-phenyl-;N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide

CBNumber:: CB41400337

Molecular Formula:: C12H14N4O2

Molecular Weight:: 246.27

MDL Number:

MOL File:: 73829-38-6.mol

MSDS File:: SDS

Last updated:2026-05-28 01:23:51

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4-(N-methyl-N-nitroso)aminoantipyrine Properties

Melting point	99 °C(Solv: ethyl ether (60-29-7))
Boiling point	385.3±52.0 °C(Predicted)
Density	1.24±0.1 g/cm3(Predicted)
pka	0.76±0.65(Predicted)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H319-H315-H335
Precautionary statements	P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P

4-(N-methyl-N-nitroso)aminoantipyrine price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
aablocks	AA00FWCU	1,2-Dihydro-1,5-dimethyl-4-(methylnitrosoamino)-2-phenyl-3H-pyrazol-3-one 95%	73829-38-6	100mg	$1184	2026-05-28	Buy
aablocks	AA00FWCU	1,2-Dihydro-1,5-dimethyl-4-(methylnitrosoamino)-2-phenyl-3H-pyrazol-3-one 95%	73829-38-6	1g	$1683	2026-05-28	Buy

Product number	Packaging	Price	Buy
AA00FWCU	100mg	$1184	Buy
AA00FWCU	1g	$1683	Buy

4-(N-methyl-N-nitroso)aminoantipyrine Chemical Properties, Uses, Production

4-(N-methyl-N-nitroso)aminoantipyrine synthesis

Synthesis of 4-(N-methyl-N-nitroso)aminoantipyrine from 1,2-dihydro-1,5-dimethyl-4-(methylamino)-2-phenyl-3H-pyrazol-3-one

4-(N-methyl-N-nitroso)aminoantipyrine Preparation Products And Raw materials

Raw materials

Preparation Products

4-(N-methyl-N-nitroso)aminoantipyrine Suppliers

Global Suppliers ( 14)

Supplier	Tel	Email	Country	ProdList	Advantage
Shanghai Kewel Chemical Co., Ltd.	021-64609169 18901607656	greensnown@163.com	China	9883	50
Hubei Yangxin Medical Technology Co., Ltd.	15374522761	3003392093@yongstandards.com	China	9995	55
Huaihua Yuanyanda Biotechnology Co., Ltd	18711085600	1652923704@qq.com	China	4626	58
Cato Research Chemicals Inc.	020-81960175-877 18933936954	tianwen.zhan@cato-chem.com	China	7335	58
LGC Science (Shanghai) Ltd.	17717235263	offer.de@lgcgroup.com	China	19036	58
Shenzhen Excellent Biomedical Technology Co., Ltd.	0755-26050679 18318671572	2850803126@qq.com	China	9992	58
Tan-Mo Technology Co., Ltd.	19850211281	qiann@gbw-china.com	China	1973	58
Shanghai Zerui Biotechnology Co., Ltd.	021-54580889 18321124657	1054713992@qq.com	China	10598	58
Huaihua Yuanyanda Biotechnology Co., Ltd	18711085600; 18229999901	18711085600@163.com	China	4590	58
Aikon International Limited	025-58851090 19370895928	2850281427@qq.com	China	8014	58

Supplier	Advantage
Shanghai Kewel Chemical Co., Ltd.	50
Hubei Yangxin Medical Technology Co., Ltd.	55
Huaihua Yuanyanda Biotechnology Co., Ltd	58
Cato Research Chemicals Inc.	58
LGC Science (Shanghai) Ltd.	58
Shenzhen Excellent Biomedical Technology Co., Ltd.	58
Tan-Mo Technology Co., Ltd.	58
Shanghai Zerui Biotechnology Co., Ltd.	58
Huaihua Yuanyanda Biotechnology Co., Ltd	58
Aikon International Limited	58

73829-38-6 (4-(N-methyl-N-nitroso)aminoantipyrine) Related Search:

4-(N-methyl-N-nitroso)aminoantipyrine Methylvinylnitrosamine

4-(N-methyl-N-nitroso)aminoantipyrine 1,2-Dihydro-1,5-dimethyl-4-(methylnitrosoamino)-2-phenyl-3H-pyrazol-3-one MNAA N-Nitrosomethylaminoantipyrine S-75-2230 3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-4-(methylnitrosoamino)-2-phenyl- N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide N-Nitroso-4-(methylamino)antipyrine N-Nitroso Metamizole EP Impurity C 73829-38-6