Description

M-(4,5-Dihydro-3-methyl-5-oxo-1H-pyrazol-1-YL)benzenesulfonamide (CAS No. 89-29-2) is a high-purity sulfonamide derivative with the molecular formula C₁₀H₁₁N₃O₃S. This compound, also known by its IUPAC name 3-(3-methyl-5-oxo-4H-pyrazol-1-yl)benzenesulfonamide, is a valuable intermediate in organic synthesis and pharmaceutical research. Its unique pyrazole and sulfonamide functionalities make it a versatile building block for the development of novel bioactive molecules. Our product is rigorously tested to ensure >98% purity by HPLC, and is supplied as a white to off-white crystalline powder. It is packaged under inert conditions to guarantee stability and longevity. Ideal for researchers in medicinal chemistry, this compound is available in quantities ranging from milligrams to kilograms, with custom synthesis options available upon request.

Properties

• CAS Number: 89-29-2
• Complexity: 452
• IUPAC Name: 3-(3-methyl-5-oxo-4H-pyrazol-1-yl)benzenesulfonamide
• InChI: InChI=1S/C10H11N3O3S/c1-7-5-10(14)13(12-7)8-3-2-4-9(6-8)17(11,15)16/h2-4,6H,5H2,1H3,(H2,11,15,16)
• InChI Key: ASVVGQURNHNITH-UHFFFAOYSA-N
• Exact Mass: 253.05211239
• Molecular Formula: C10H11N3O3S
• Molecular Weight: 253.28
• SMILES: CC1=NN(C(=O)C1)C2=CC(=CC=C2)S(=O)(=O)N
• Topological: 101
• Monoisotopic Mass: 253.05211239
• Synonyms: Benzenesulfonamide, 3-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-, 23GE66VPA5, Benzenesulfonamide, m-(3-methyl-5-oxo-2-pyrazolin-1-yl)-, EINECS 201-895-2, NSC 15355, NSC-15355, DTXSID0058984, m-(4,5-Dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulphonamide, m-(4,5-Dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonamide, 3-(4,5-Dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulphonamide, BENZENESULPHONAMIDE, M-(3-METHYL-5-OXO-2-PYRAZOLIN-1-YL)-, 3-(4,5-DIHYDRO-3-METHYL-5-OXO-1H-PYRAZOL-1-YL)BENZENESULFONAMIDE, BENZENESULPHONAMIDE, 3-(4,5-DIHYDRO-3-METHYL-5-OXO-1H-PYRAZOL-1-YL)-, DTXCID8048652, Benzenesulfonamide, m-(3-methyl-5-oxo-2-pyrazolin-1-yl)-(8CI), 201-895-2, 89-29-2, 3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone, 3-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide, Benzenesulfonamide,3-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-, 3-(3-methyl-5-oxo-4H-pyrazol-1-yl)benzenesulfonamide, CHEMBL2392434, 3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzene-1-sulfonamide, NSC15355, MFCD00035707, Maybridge1_006372, UNII-23GE66VPA5, CBDivE_007658, SCHEMBL4108427, HMS559J14, 3-(4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1YL)-Benzenesulfonamide, BDBM50004951, CCG-46066, AKOS000560184, AS-72062, RH 01325, DB-057125, CS-0316982, M0659, NS00039319, 3-Methyl-1-(3′-sulfamidophenyl)-5-pyrazolone, D91369, AE-641/00786007, SR-01000635789-1, Q27463544, Benzenesulfonamide,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-, 3-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide #

Application

M-(4,5-Dihydro-3-methyl-5-oxo-1H-pyrazol-1-YL)benzenesulfonamide is primarily used as a key intermediate in the synthesis of pharmaceutical compounds, particularly those targeting inflammatory and infectious diseases. Its pyrazole and sulfonamide moieties make it a valuable scaffold for designing enzyme inhibitors and receptor modulators. Researchers also utilize this compound in the development of novel antimicrobial and anti-inflammatory agents. Additionally, it serves as a precursor in the preparation of heterocyclic compounds for material science applications.

Safety and Hazards

GHS Hazard Statements

• H315 (27.8%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (27.8%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (27.1%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (27.8%)
• Eye Irrit. 2 (27.8%)
• STOT SE 3 (27.1%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.