4-(1H-Pyrazol-1-yl)benzoic acid
4-(1H-Pyrazol-1-yl)benzoic acid (CAS: 16209-00-0) is a heterocyclic organic compound with the molecular formula C10H8N2O2 and a molecular weight of 188.18 g/mol. This benzoic acid derivative features a pyrazole ring attached to the para position of the benzoic acid moiety. It serves as a valuable building block in organic synthesis, particularly for the construction of more complex molecules in pharmaceutical research and materials science. Its defined structure makes it a key intermediate in various chemical reactions.

Pharmaceutical Intermediate
Utilised in the synthesis of potential drug candidates and active pharmaceutical ingredients (APIs). Its pyrazole and benzoic acid functionalities allow for diverse chemical modifications.
Organic Synthesis Building Block
Serves as a versatile synthon in academic and industrial research for creating novel organic compounds. It is particularly useful for introducing the 1H-pyrazol-1-yl motif into target molecules.
Materials Science
Investigated for its potential incorporation into advanced materials due to its aromatic and heterocyclic structure. This could include applications in polymers or functional materials.
Agrochemical Research
May be employed in the development of new agrochemicals, leveraging its structural features for potential biological activity.
| Molecular weight | 188.18 |
|---|---|
| Empirical formula | C10H8N2O2 |
| Assay | 90% |
| Melting point | 266 °C (dec.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-(1H-Pyrazol-1-yl)benzoic acid used for?
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4-(1H-Pyrazol-1-yl)benzoic acid is primarily used as a building block in organic synthesis, particularly in the pharmaceutical industry for developing new drug candidates and in materials science.
What are the CAS number and molecular formula for 4-(1H-Pyrazol-1-yl)benzoic acid?
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The CAS number is 16209-00-0 and the molecular formula is C10H8N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(1H-Pyrazol-1-yl)benzoic acid with an assay of 90%. This product is suitable for research and synthesis purposes. Tech Serve Solutions does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 4-(1H-Pyrazol-1-yl)benzoic acid be handled safely?
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According to GHS, this compound is a Warning with hazards H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Handle with appropriate personal protective equipment including a dust mask type N95, eyeshields, and gloves. Ensure good ventilation.
Is 4-(1H-Pyrazol-1-yl)benzoic acid a controlled substance?
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The provided safety data does not indicate that 4-(1H-Pyrazol-1-yl)benzoic acid is a controlled or scheduled substance.
How is 4-(1H-Pyrazol-1-yl)benzoic acid packed and shipped?
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This chemical is typically packed in appropriate containers for safe transport and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for 4-(1H-Pyrazol-1-yl)benzoic acid?
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Please contact our sales team via the website or direct inquiry to request a sample or obtain a quotation for 4-(1H-Pyrazol-1-yl)benzoic acid.
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