4-bromo-5-methyl-2,4-dihydropyrazol-3-one

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Names

[ CAS No. ]:
51395-52-9

[ Name ]:
4-bromo-5-methyl-2,4-dihydropyrazol-3-one

[Synonym ]:
4-bromo-5-methyl-2,4-dihydro-3h-pyrazol-3-one

Chemical & Physical Properties

[ Density]:
2.04g/cm3

[ Molecular Formula ]:
C4H5BrN2O

[ Molecular Weight ]:
176.99900

[ Exact Mass ]:
175.95900

[ PSA ]:
41.46000

[ LogP ]:
0.02000

[ Index of Refraction ]:
1.682

Safety Information

[ HS Code ]:
2933199090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3-methyl-1H-pyrazol-5-ol
  • 3-methyl-2-pyrazolin-5-one

DownStream

Customs

[ HS Code ]: 2933199090

[ Summary ]:
2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 4-(2-hydroxyethyl)-5-methyl-2,4-dihydropyrazol-3-one
  • 2-[4-(methylsulfonyl)phenyl]-5-methyl-2,4-dihydropyrazol-3-one
  • 2-tert-butyl-5-methyl-4H-pyrazol-3-one
  • 4-bromo-5-methyl-2-phenylpyridazin-3-one
  • 4-bromo-5-methyl-2-(3-methylphenyl)pyridazin-3-one
  • 4-(1H-indol-3-ylmethylene)-5-methyl-2-phenyl-2,4-dihydropyrazol-3-one
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 4-Hydroxy-5-methyl-2(5H)-thiophenone
  • Methyl 4-(trifluoromethylsulfonyloxy)-5,6,7,8-tetrahydronaphthalene-1-carboxylate
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • N-(ortho-methoxybenzyl)-4-ethylamphetamine
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde