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Pyrazolone Series
Product Name CAS NO.
1-phenyl-3-methyl-5-pyrazolone 89-25-8
1-(4-sulfophonyl)-3-methyl-5-pyrazolone 89-36-1
1-(4-Tolyl)-3-Methyl-5-Pyrazolone 86-92-0
1-(3-Sulfophenyl)-3-Methyl-5-pyrazolone 119-17-5
1-(2,5-Dichloro-4-Sulfophenyl)-3-Methyl-5-Pyrazolone 84-57-1