| Identification | Back Directory | [Name]
5-METHOXYPYRIDAZIN-3(2H)-ONE | [CAS]
123696-01-5 | [Synonyms]
AURORA KA-3645
5-methoxypyridazin-3-ol
-METHOXYPYRIDAZIN-3(2H)-ONE
3-methoxy-3(2H)-pyridazinone
5-METHOXYPYRIDAZIN-3(2H)-ONE
3(2H)-Pyridazinone,5-methoxy-
3-hydroxy-5-Methoxypyridazine
5-Methoxy-2,3-dihydropyridazin-3-one
5-METHOXYPYRIDAZIN-3(2H)-ONE ISO 9001：2015 REACH
5-methoxypyridazin-3-ol 3-hydroxy-5-Methoxypyridazine | [EINECS(EC#)]
200-001-2 | [Molecular Formula]
C5H6N2O2 | [MDL Number]
MFCD05664509 | [MOL File]
123696-01-5.mol | [Molecular Weight]
126.11 |
| Chemical Properties | Back Directory | [Melting point ]
148-150 °C | [density ]
1.30±0.1 g/cm3(Predicted) | [storage temp. ]
Sealed in dry,Room Temperature | [pka]
10.57±0.40(Predicted) | [Appearance]
White to off-white Solid | [InChI]
InChI=1S/C5H6N2O2/c1-9-4-2-5(8)7-6-3-4/h2-3H,1H3,(H,7,8) | [InChIKey]
NRILSJUKEHQBLU-UHFFFAOYSA-N | [SMILES]
C1(=O)NN=CC(OC)=C1 |
| Hazard Information | Back Directory | [Synthesis]
General procedure for the synthesis of 5-methoxypyridazin-3(2H)-one from the compound (CAS: 938045-16-0): a mixture of 10% palladium/carbon (100 mg), 2-((benzyloxy)methyl)-4-chloro-5-methoxypyridazin-3(2H)-one (1.34 g), and acetic acid (10 mL) was subjected to a hydrogen atmosphere (0.8 MPa) with the addition of methanol (30 mL) and the reaction was stirred at 50 °C for 10 hours. After completion of the reaction, the insoluble material was removed by filtration and the solvent was removed by distillation under reduced pressure to afford the target product 5-methoxypyridazin-3(2H)-one (611 mg). Mass spectrometry analysis showed m/z (M + H): 127. | [References]
[1] Patent: US2015/322063, 2015, A1. Location in patent: Paragraph 2479; 2480; 2481 |
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