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ChemicalBook >> CAS DataBase List >> 4-Chloro-5-hydroxy-3(2H)-pyridazinone

4-Chloro-5-hydroxy-3(2H)-pyridazinone

4-Chloro-5-hydroxy-3(2H)-pyridazinone price.
  • $16 - $1650
  • Product name: 4-Chloro-5-hydroxy-3(2H)-pyridazinone
  • CAS: 64178-58-1
  • MF: C4H3ClN2O2
  • MW: 146.53
  • EINECS:
  • MDL Number:MFCD00832513
  • Synonyms:5-Chloro-6-hydroxy-1H-pyridazin-4-one;4-Chloro-5-hydroxypyridazin-3(2H)-one;5-chloro-4-hydroxy-1H-pyridazin-6-one;3(2H)-Pyridazinone, 4-chloro-5-hydroxy-;4-CHLORO-5-HYDROXY-3(2H)-PYRIDAZINONE ISO 9001：2015 REACH;4-Chloro-5-hydroxy-3(2H)-pyridazinone
Price21 Properties Safety Information Description
21 prices
Selected condition：
Brand
  • aablocks
  • Activate Scientific
  • AK Scientific
  • Alichem
  • Ambeed
  • American Custom Chemicals Corporation
  • Chemenu
  • Crysdot
  • SynQuest Laboratories
  • Synthonix
Package
  • 5MG
  • 250mg
  • 1g
  • 2g
  • 5g
  • 25g
  • Manufactureraablocks
  • Product numberAA00EG37
  • Product description4-Chloro-5-hydroxypyridazin-3(2H)-one 95%
  • Packaging250mg
  • Price$16
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00EG37
  • Product description4-Chloro-5-hydroxypyridazin-3(2H)-one 95%
  • Packaging1g
  • Price$28
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00EG37
  • Product description4-Chloro-5-hydroxypyridazin-3(2H)-one 95%
  • Packaging25g
  • Price$540
  • Updated2026-05-28
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS48086
  • Product description4-Chloro-5-hydroxypyridazin-3(2H)-one 95%
  • Packaging5g
  • Price$219
  • Updated2026-06-04
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS48086
  • Product description4-Chloro-5-hydroxypyridazin-3(2H)-one 95%
  • Packaging1g
  • Price$73
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberW7595
  • Product description4-Chloro-5-hydroxypyridazin-3(2H)-one
  • Packaging1g
  • Price$145
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number64178581
  • Product description4-Chloro-5-hydroxypyridazin-3(2H)-one
  • Packaging1g
  • Price$164.8
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA359586
  • Product description4-Chloro-5-hydroxypyridazin-3(2H)-one 95+%
  • Packaging5g
  • Price$206
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA359586
  • Product description4-Chloro-5-hydroxypyridazin-3(2H)-one 95+%
  • Packaging25g
  • Price$665
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA359586
  • Product description4-Chloro-5-hydroxypyridazin-3(2H)-one 95+%
  • Packaging250mg
  • Price$29
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA359586
  • Product description4-Chloro-5-hydroxypyridazin-3(2H)-one 95+%
  • Packaging1g
  • Price$60
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberHCH0129748
  • Product description3(2H)-PYRIDAZINONE, 4-CHLORO-5-HYDROXY- 95.00%
  • Packaging5MG
  • Price$505.81
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM102298
  • Product description4-Chloro-5-hydroxypyridazin-3(2H)-one 95%
  • Packaging25g
  • Price$479
  • Updated2026-05-26
  • Buy
  • ManufacturerChemenu
  • Product numberCM102298
  • Product description4-Chloro-5-hydroxypyridazin-3(2H)-one 95%
  • Packaging5g
  • Price$149
  • Updated2026-05-26
  • Buy
  • ManufacturerCrysdot
  • Product numberCD11081730
  • Product description4-Chloro-5-hydroxypyridazin-3(2H)-one 95+%
  • Packaging5g
  • Price$228
  • Updated2026-05-26
  • Buy
  • ManufacturerSynQuest Laboratories
  • Product number4H20-5-02
  • Product description4-Chloro-5-hydroxy-3(2H)-pyridazinone
  • Packaging1g
  • Price$965
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00EG37 4-Chloro-5-hydroxypyridazin-3(2H)-one 95% 250mg $16 2026-05-28 Buy
aablocks AA00EG37 4-Chloro-5-hydroxypyridazin-3(2H)-one 95% 1g $28 2026-05-28 Buy
aablocks AA00EG37 4-Chloro-5-hydroxypyridazin-3(2H)-one 95% 25g $540 2026-05-28 Buy
Activate Scientific AS48086 4-Chloro-5-hydroxypyridazin-3(2H)-one 95% 5g $219 2026-06-04 Buy
Activate Scientific AS48086 4-Chloro-5-hydroxypyridazin-3(2H)-one 95% 1g $73 2026-06-04 Buy
AK Scientific W7595 4-Chloro-5-hydroxypyridazin-3(2H)-one 1g $145 2021-12-16 Buy
Alichem 64178581 4-Chloro-5-hydroxypyridazin-3(2H)-one 1g $164.8 2021-12-16 Buy
Ambeed A359586 4-Chloro-5-hydroxypyridazin-3(2H)-one 95+% 5g $206 2021-12-16 Buy
Ambeed A359586 4-Chloro-5-hydroxypyridazin-3(2H)-one 95+% 25g $665 2021-12-16 Buy
Ambeed A359586 4-Chloro-5-hydroxypyridazin-3(2H)-one 95+% 250mg $29 2021-12-16 Buy
Ambeed A359586 4-Chloro-5-hydroxypyridazin-3(2H)-one 95+% 1g $60 2021-12-16 Buy
American Custom Chemicals Corporation HCH0129748 3(2H)-PYRIDAZINONE, 4-CHLORO-5-HYDROXY- 95.00% 5MG $505.81 2021-12-16 Buy
Chemenu CM102298 4-Chloro-5-hydroxypyridazin-3(2H)-one 95% 25g $479 2026-05-26 Buy
Chemenu CM102298 4-Chloro-5-hydroxypyridazin-3(2H)-one 95% 5g $149 2026-05-26 Buy
Crysdot CD11081730 4-Chloro-5-hydroxypyridazin-3(2H)-one 95+% 5g $228 2026-05-26 Buy
SynQuest Laboratories 4H20-5-02 4-Chloro-5-hydroxy-3(2H)-pyridazinone 1g $965 2021-12-16 Buy
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Properties

Melting point :270-273 °C(Solv: N,N-dimethylformamide (68-12-2))
Density :1.79±0.1 g/cm3(Predicted)
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
pka :4.50±1.00(Predicted)
Appearance :White to off-white Solid

Safety Information

Symbol(GHS):
Signal word:
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Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
Precautionary statements:

Description

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Nanbu County Chengxin Technology Co., Ltd. Shanghai Hanhong Scientific Co.,Ltd. Shanghai Yolne Chemical Co., Ltd. EnliPharma Technology Co., Ltd Shanghai Yongye Biotechnology Co., Ltd. Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. Amadis Chemical Company Limited Yujinpharma(Tianjin) Technology Co.,Ltd. Shanghai Jizhi Biochemical Technology Co. Ltd. Alfa Chemistry