4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzoic acid
4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzoic acid (CAS 60875-16-3, C11H10N2O3) is a heterocyclic organic compound with a molecular weight of 218.21 g/mol. It is primarily utilized as a building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its pyrazolinone and benzoic acid functionalities make it a valuable intermediate for the development of more complex molecular structures in research and industrial applications.

Chemical Synthesis Intermediate
This compound serves as a versatile building block in organic synthesis. Its reactive sites allow for further functionalization, making it suitable for constructing complex molecules.
Heterocyclic Chemistry
As a pyrazole derivative, it is employed in research focused on heterocyclic compounds. These structures are foundational in many biologically active molecules and advanced materials.
Research and Development
It is utilised in R&D laboratories for exploring novel chemical pathways and developing new chemical entities. Its well-defined structure supports predictable synthetic outcomes.
| Molecular weight | 218.21 |
|---|---|
| Empirical formula | C11H10N2O3 |
| Assay | ≥98% |
| Melting point | 285 °C (dec.)(lit.) |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzoic acid used for?
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4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzoic acid is primarily used as a building block in chemical synthesis, particularly in the field of heterocyclic chemistry and for research and development purposes.
What is the CAS number and molecular formula?
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The CAS number is 60875-16-3 and the molecular formula is C11H10N2O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzoic acid with an assay of ≥98%. This is a technical/research grade material, and TSS does not represent it as USP, BP, EP, or any other pharmacopoeial standard.
How should this chemical be handled safely?
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This compound is classified under GHS07 with the signal word Warning and hazard statement H302 (Harmful if swallowed). Handle with appropriate personal protective equipment in a well-ventilated area to avoid ingestion.
Is this chemical available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and this product can be shipped internationally.
How can I request a sample or quote?
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Please contact our sales team or use the online enquiry form on our website to request a sample or a quotation for 4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzoic acid.
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