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4-CHLORO-3(2H)-PYRIDAZINONE

4-CHLORO-3(2H)-PYRIDAZINONE structure

CAS No.: 1677-79-8

Chemical Name:: 4-CHLORO-3(2H)-PYRIDAZINONE

Synonyms: 4-Chloropyridazin-3(2H)-one;4-CHLOROPYRIDAZIN-3-OL;4-Chloro-2H-pyridazin-3-one;chloropyridazinone;4-Chloro-3-pyridazone;4-Chloropyridazin-3-one;Benzene,1-bromo-9-octyl-;5-chloro-1H-pyridazin-6-one;4-CHLORO-3(2H)-PYRIDAZINONE;3(2H)-Pyridazinone,4-chloro-(

CBNumber:: CB5407075

Molecular Formula:: C4H3ClN2O

Molecular Weight:: 130.53

MDL Number:: MFCD08062119

MOL File:: 1677-79-8.mol

Last updated:2026-05-28 03:37:19

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4-CHLORO-3(2H)-PYRIDAZINONE Properties

Density	1.55±0.1 g/cm3(Predicted)
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
pka	9.80±0.40(Predicted)
Appearance	White to yellow Solid
InChI	InChI=1S/C4H3ClN2O/c5-3-1-2-6-7-4(3)8/h1-2H,(H,7,8)
InChIKey	UYWAYTBDMJFIQT-UHFFFAOYSA-N
SMILES	C1(=O)NN=CC=C1Cl

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H315-H319-H335
Precautionary statements	P261-P280-P301+P312-P302+P352-P305+P351+P338
HS Code	2933998090

4-CHLORO-3(2H)-PYRIDAZINONE price More Price(50)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Apolloscientific	OR916662	4-Chloro-2,3-dihydropyridazin-3-one >97%	1677-79-8	250mg	$21	2026-06-04	Buy
Apolloscientific	OR916662	4-Chloro-2,3-dihydropyridazin-3-one >97%	1677-79-8	1g	$37	2026-06-04	Buy
Apolloscientific	OR916662	4-Chloro-2,3-dihydropyridazin-3-one >97%	1677-79-8	5g	$149	2026-06-04	Buy
Apolloscientific	OR916662	4-Chloro-2,3-dihydropyridazin-3-one >97%	1677-79-8	25g	$682	2026-06-04	Buy
Apolloscientific	OR916662	4-Chloro-2,3-dihydropyridazin-3-one >97%	1677-79-8	100g	$2712	2026-06-04	Buy

Product number	Packaging	Price	Buy
OR916662	250mg	$21	Buy
OR916662	1g	$37	Buy
OR916662	5g	$149	Buy
OR916662	25g	$682	Buy
OR916662	100g	$2712	Buy

4-CHLORO-3(2H)-PYRIDAZINONE Preparation Products And Raw materials

Raw materials

Preparation Products

4-CHLORO-3(2H)-PYRIDAZINONE Suppliers

Global( 99)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Nanbu County Chengxin Technology Co., Ltd.	0838-5675166 15883665058	nbcxkj@126.com	China	956	55
Zaozhuang Benefit Chemical Co., Ltd.	0531-69958783 15508681609	1948129184@qq.com	China	208	60
PharmaBlock Sciences (Nanjing),Inc.	025-86918202 4000255188	sales@pharmablock.com	China	5000	55
JinYan Chemicals(ShangHai) Co.,Ltd.	13817811078	sales@jingyan-chemical.com	China	9963	60
Jia Xing Isenchem Co.,Ltd	0573-85285100 18627885956	isenchem@163.com	China	9389	66
Accela ChemBio Co.,Ltd.	021-50795510 4000665055	marketing@accelachem.com	China	10972	64
Jinan Trio PharmaTech Co., Ltd.	0531-88811783	sales@trio-pharmatech.com	China	1856	62
Shanghai HuiKe Trading Co., Ltd.	15026939015	michael.liu16@yahoo.com	China	97	52
Shanghai Topbiochem Technology Co., Ltd	021-58170097	info@topbiochem.com	China	9513	58
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	025-66113011 13913916777	cfzhang@aikonchem.com	China	19902	55

Supplier	Advantage
Nanbu County Chengxin Technology Co., Ltd.	55
Zaozhuang Benefit Chemical Co., Ltd.	60
PharmaBlock Sciences (Nanjing),Inc.	55
JinYan Chemicals(ShangHai) Co.,Ltd.	60
Jia Xing Isenchem Co.,Ltd	66
Accela ChemBio Co.,Ltd.	64
Jinan Trio PharmaTech Co., Ltd.	62
Shanghai HuiKe Trading Co., Ltd.	52
Shanghai Topbiochem Technology Co., Ltd	58
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	55

View Lastest Price from 4-CHLORO-3(2H)-PYRIDAZINONE manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-09-11	4-Chloro-3(2H)-pyridazinone 1677-79-8		1kg	99		Hangzhou Lucky Biology Co., Ltd
2026-08-20	4-CHLORO-3(2H)-PYRIDAZINONE 1677-79-8	$1.10	1g	99.00%	100 Tons Min	Dideu Industries Group Limited
2019-11-19	4-CHLORO-3(2H)-PYRIDAZINONE 1677-79-8		1g	95%min	20kg/month	Nanjing jinheyou Trading Co., Ltd.

4-Chloro-3(2H)-pyridazinone
1677-79-8
$0.00
99
Hangzhou Lucky Biology Co., Ltd

4-CHLORO-3(2H)-PYRIDAZINONE
1677-79-8
$1.10
99.00%
Dideu Industries Group Limited

4-CHLORO-3(2H)-PYRIDAZINONE
1677-79-8
$0.00
95%min
Nanjing jinheyou Trading Co., Ltd.

4-CHLORO-3(2H)-PYRIDAZINONE Spectrum

4-CHLORO-3(2H)-PYRIDAZINONE(1677-79-8)¹HNMR

1677-79-8(4-CHLORO-3(2H)-PYRIDAZINONE)Related Search:

4,5-Dichloro-3(2H)-pyridazinone 4,5-DICHLORO-2-(2-FLUOROBENZYL)PYRIDAZINE-3(2H)-ONE 2-(2-CHLORO-6-FLUOROBENZYL)-4,5-DICHLOROPYRIDAZINE-3-(2H)-ONE 4,5-DICHLORO-2-(3,5-DICHLOROPHENYL)-2,3-DIHYDROPYRIDAZIN-3-ONE 1-PHENYL-4,5-DICHLORO-6-PYRIDAZONE

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4,5-DICHLORO-2-(2,6-DICHLOROBENZYL)-2,3-DIHYDROPYRIDAZIN-3-ONE 2-(3-CHLORO-4-FLUOROPHENYL)-4,5-DICHLORO-PYRIDAZINE-3-(2H)-ONE 4-CHLORO-5-(1-METHYLHYDRAZINO)-2-PHENYL-2,3-DIHYDROPYRIDAZIN-3-ONE

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4-CHLORO-3(2H)-PYRIDAZINONE 5-chloro-1H-pyridazin-6-one 3(2H)-Pyridazinone,4-chloro-( 4-Chloro-3-pyridazone 4-chloro-2,3-dihydropyridazin-3-one 4-Chloropyridazin-3-one 4-CHLORO-3(2H)-PYRIDAZINONE ISO 9001：2015 REACH Benzene,1-bromo-9-octyl- chloropyridazinone 4-CHLOROPYRIDAZIN-3-OL 4-Chloropyridazin-3(2H)-one 4-Chloro-2H-pyridazin-3-one 1677-79-8