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ChemicalBook >> CAS DataBase List >> 4-METHYL-3(2H)-PYRIDAZINONE

4-METHYL-3(2H)-PYRIDAZINONE

4-METHYL-3(2H)-PYRIDAZINONE price.
  • $11 - $2200
  • Product name: 4-METHYL-3(2H)-PYRIDAZINONE
  • CAS: 33471-40-8
  • MF: C5H6N2O
  • MW: 110.11
  • EINECS:200-001-2
  • MDL Number:MFCD08460985
  • Synonyms:3-HYDROXY-4-METHYLPYRIDAZINE;4-methyl-2,3-dihydropyridazin-3-one;4-METHYL-3(2H)-PYRIDAZINONE;4-Methyl-pyridazin-3-ol;4-Methylpyridazin-3(2H)-one;4-Methylpyridazin-3(2H)-o...;4-Methylpyridazin-3-ol, 3-Hydroxy-4-methyl-1,2-diazine;4-Methylpyridazin-3(2H)
45 prices
Selected condition:
Brand
  • aablocks
  • Abosyn
  • ACHEMBLOCK
  • Activate Scientific
  • AHH
  • AK Scientific
  • Ambeed
  • Apolloscientific
  • AstaTech
  • Crysdot
  • Matrix Scientific
  • Medical Isotopes, Inc.
  • SynChem
  • SynQuest Laboratories
  • Synthonix
  • TRC
Package
  • 250mg
  • 1.00g
  • 1g
  • 5.00g
  • 5g
  • 10G
  • 25.00g
  • 25G
  • 50g
  • Manufactureraablocks
  • Product numberAA00BZPO
  • Product description4-Methylpyridazin-3(2H)-one ≥97%
  • Packaging250mg
  • Price$11
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00BZPO
  • Product description4-Methylpyridazin-3(2H)-one 97%
  • Packaging1g
  • Price$28
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00BZPO
  • Product description4-Methylpyridazin-3(2H)-one ≥97%
  • Packaging5g
  • Price$130
  • Updated2026-05-28
  • Buy
  • ManufacturerAbosyn
  • Product number61-1720
  • Product description4-methylpyridazin-3(2H)-one 95-98%
  • Packaging1g
  • Price$1350
  • Updated2021-12-16
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberG-6419
  • Product description4-Methylpyridazin-3(2H)-one 97%
  • Packaging5G
  • Price$120
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberG-6419
  • Product description4-Methylpyridazin-3(2H)-one 97%
  • Packaging25G
  • Price$600
  • Updated2026-05-27
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS51830
  • Product description4-Methyl-2H-pyridazin-3-one 97%
  • Packaging5g
  • Price$214
  • Updated2026-06-04
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS51830
  • Product description4-Methyl-2H-pyridazin-3-one 97%
  • Packaging1g
  • Price$65
  • Updated2026-06-04
  • Buy
  • ManufacturerAHH
  • Product numberMB-19532
  • Product description4-methylpyridazin-3(2H)-one 97%
  • Packaging5g
  • Price$995
  • Updated2021-12-16
  • Buy
  • ManufacturerAHH
  • Product numberMB-19532
  • Product description4-methylpyridazin-3(2H)-one 97%
  • Packaging5g
  • Price$995
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product numberX0378
  • Product description4-Methyl-3(2H)-pyridazinone
  • Packaging250mg
  • Price$136
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA341490
  • Product description4-Methylpyridazin-3(2H)-one 97%
  • Packaging5g
  • Price$267
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA341490
  • Product description4-Methylpyridazin-3(2H)-one 97%
  • Packaging1g
  • Price$88
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA341490
  • Product description4-Methylpyridazin-3(2H)-one 97%
  • Packaging250mg
  • Price$39
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA341490
  • Product description4-Methylpyridazin-3(2H)-one 97%
  • Packaging25g
  • Price$869
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR304302
  • Product description3-Hydroxy-4-methylpyridazine >97%
  • Packaging25g
  • Price$747
  • Updated2026-06-04
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00BZPO 4-Methylpyridazin-3(2H)-one ≥97% 250mg $11 2026-05-28 Buy
aablocks AA00BZPO 4-Methylpyridazin-3(2H)-one 97% 1g $28 2026-05-28 Buy
aablocks AA00BZPO 4-Methylpyridazin-3(2H)-one ≥97% 5g $130 2026-05-28 Buy
Abosyn 61-1720 4-methylpyridazin-3(2H)-one 95-98% 1g $1350 2021-12-16 Buy
ACHEMBLOCK G-6419 4-Methylpyridazin-3(2H)-one 97% 5G $120 2026-05-27 Buy
ACHEMBLOCK G-6419 4-Methylpyridazin-3(2H)-one 97% 25G $600 2026-05-27 Buy
Activate Scientific AS51830 4-Methyl-2H-pyridazin-3-one 97% 5g $214 2026-06-04 Buy
Activate Scientific AS51830 4-Methyl-2H-pyridazin-3-one 97% 1g $65 2026-06-04 Buy
AHH MB-19532 4-methylpyridazin-3(2H)-one 97% 5g $995 2021-12-16 Buy
AHH MB-19532 4-methylpyridazin-3(2H)-one 97% 5g $995 2026-05-26 Buy
AK Scientific X0378 4-Methyl-3(2H)-pyridazinone 250mg $136 2021-12-16 Buy
Ambeed A341490 4-Methylpyridazin-3(2H)-one 97% 5g $267 2021-12-16 Buy
Ambeed A341490 4-Methylpyridazin-3(2H)-one 97% 1g $88 2021-12-16 Buy
Ambeed A341490 4-Methylpyridazin-3(2H)-one 97% 250mg $39 2021-12-16 Buy
Ambeed A341490 4-Methylpyridazin-3(2H)-one 97% 25g $869 2021-12-16 Buy
Apolloscientific OR304302 3-Hydroxy-4-methylpyridazine >97% 25g $747 2026-06-04 Buy

Properties

Melting point :158-159 °C
Density :1.22±0.1 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature
pka :11.51±0.40(Predicted)
Appearance :White to off-white Solid

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P310 Immediately call a POISON CENTER or doctor/physician.

Description

4-Methyl-3(2H)-pyridazinone, is used as a building block for more complex compounds. It is also found within the structure of several pharmaceutical drugs. It can be used for the synthesis of a series of aminopyridazine derivatives of γ-aminobutyric acid acting as selective GABA-A antagonists.

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