4-Hydroxyantipyrine

• CAT Number: R029322
• CAS Number: 1672-63-5
• Molecular Formula: C11H12N2O2
• Molecular Weight: 204.23
• Purity: ≥95%
• Synonyms: 4-hydroxy-1,5-dimethyl-2-phenylpyrazol-3-one
• InChI: InChI=1S/C11H12N2O2/c1-8-10(14)11(15)13(12(8)2)9-6-4-3-5-7-9/h3-7,14H,1-2H3
• InChIKey: SKVPTPMWXJSBTF-UHFFFAOYSA-N
• SMILES: CC1=C(C(=O)N(N1C)C2=CC=CC=C2)O

4-Hydroxyantipyrine（Cat No.:R029322）is a metabolite of antipyrine, widely used in pharmacokinetic studies, drug metabolism research, and biochemical assays. As a hydroxylated pyrazolone derivative, it plays a crucial role in assessing liver enzyme activity, cytochrome P450 function, and drug clearance rates. The hydroxyl group enhances its solubility and reactivity, making it valuable in biological monitoring and toxicological evaluations. This compound is particularly useful in clinical pharmacology and therapeutic drug monitoring, helping researchers understand drug-drug interactions, metabolic stability, and enzymatic transformation in pharmaceutical development.