Chemistry is traditionally divided into organic and inorganic chemistry. SDS of cas: 89640-81-3, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 89640-81-3
Process for manufacturing 1,6-dihydro-6-oxo-4-pyridazine carboxylic acid
The present invention provides a process for manufacturing 6-oxo-1 H-pyridazine-4-carboxylic acid 5 comprising – (a) reacting dimethyl 2-methylenebutanedioate with hydrazine to obtain methyl 6- oxohexahydropyridazine-4-carboxylate 11; – (b) oxidizing methyl 6-oxohexahydropyridazine-4-carboxylate 11 with a suitable oxidizing agent to methyl 6-oxo-1 H-pyridazine-4-carboxylate 4a; – (c) isolating methyl 6-oxo-1 H-pyridazine-4-carboxylate 4a; – (d) hydrolyzing methyl 6-oxo-1 H-pyridazine-4-carboxylate 4a in the presence of an aqueous base or acid to the 6-oxo-1 H-pyridazine-4-carboxylic acid 5.
If you are interested in 89640-81-3, you can contact me at any time and look forward to more communication. SDS of cas: 89640-81-3
Reference：
Pyridazine – Wikipedia,
Pyridazine | C4H4N2005 – PubChem