CAS No.: 1672-63-5 Synonyms: 4-Hydroxy-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one; NSC 174055 Formula: C₁₁H₁₂N₂O₂ Formula Weight: 204.23 Linear Formula: C₁₁H₁₂N₂O₂ MDL No.: MFCD00003143 Purity: …