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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:4-CHLORO-5-HYDROXY-3(2H)-PYRIDAZINONE;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
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:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
Precautionary statements:

Description

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Suppliers and manufacturers

Dideu Industries Group Limited
4-CHLORO-5-HYDROXY-3(2H)-PYRIDAZINONE
$1.10
4-CHLORO-5-HYDROXY-3(2H)-PYRIDAZINONE CAS:64178-58-1
Dayang Chem (Hangzhou) Co.,Ltd.
Alfa Chemistry
GIHI CHEMICALS CO.,LIMITED
HANGZHOU LEAP CHEM CO., LTD.
Amadis Chemical Company Limited Nanbu County Chengxin Technology Co., Ltd. Shanghai Hanhong Scientific Co.,Ltd. EnliPharma Technology Co., Ltd Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.