1-(2'-Chloro-5'-sulfophenyl)-3-methyl-5-pyrazolone

• Formula: C₁₀H₉ClN₂O₄S
• Molecular weight: 288.707
• IUPAC Standard InChI: InChI=1S/C10H9ClN2O4S/c1-6-4-10(14)13(12-6)9-5-7(18(15,16)17)2-3-8(9)11/h2-3,5H,4H2,1H3,(H,15,16,17) Copy

  
• IUPAC Standard InChIKey: UWLNKHDLVZEYKQ-UHFFFAOYSA-N Copy
• CAS Registry Number: 88-76-6
• Chemical structure:
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• Other names: Benzenesulfonic acid, 4-chloro-3-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-; Benzenesulfonic acid, 4-chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)-; 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid; 4-chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulphonic acid
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• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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