3-(4-Fluorophenyl)-1H-pyrazole-5-carboxylic acid
3-(4-Fluorophenyl)-1H-pyrazole-5-carboxylic acid (CAS 870704-22-6) is a heterocyclic compound with the molecular formula C10H7FN2O2 and a molecular weight of 206.17 g/mol. This fluorinated building block serves as a valuable intermediate in organic synthesis. Its pyrazole core and carboxylic acid functionality, along with the fluorophenyl substituent, make it suitable for constructing complex molecules in research and development settings, particularly within the pharmaceutical and agrochemical industries.

Organic Synthesis Intermediate
This compound is a versatile building block for synthesizing novel organic molecules. Its distinct structural features, including the pyrazole ring and fluorophenyl group, allow for diverse chemical transformations.
Pharmaceutical Research
As a fluorinated heterocyclic intermediate, it is utilized in the development of potential drug candidates. The incorporation of fluorine can influence pharmacokinetic properties and binding affinities of biologically active compounds.
Agrochemical Development
The pyrazole moiety is found in various agrochemicals. This compound can serve as a precursor for creating new pesticides, herbicides, or fungicides, leveraging its specific structural attributes for targeted biological activity.
Material Science
Fluorinated organic compounds can exhibit unique properties relevant to material science applications. This chemical may be explored in the synthesis of functional materials with tailored electronic or optical characteristics.
| Molecular weight | 206.17 |
|---|---|
| Empirical formula | C10H7FN2O2 |
| Assay | 97% |
| Melting point | 226-230 °C(lit.) |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| 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 3-(4-Fluorophenyl)-1H-pyrazole-5-carboxylic acid used for?
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3-(4-Fluorophenyl)-1H-pyrazole-5-carboxylic acid (CAS 870704-22-6) is primarily used as a building block and intermediate in organic synthesis, particularly for research and development in the pharmaceutical and agrochemical sectors.
What are the CAS number and molecular formula for this compound?
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The CAS number is 870704-22-6, and the molecular formula is C10H7FN2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 97%. We do not represent this product as USP, BP, EP, or other pharmacopoeial grades.
What are the key safety considerations when handling this chemical?
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This compound is a Warning (GHS07) and causes serious eye irritation (H319). Always wear eyeshields and gloves, and use a type N95 (US) or type P1 (EN143) respirator filter when handling. Ensure adequate ventilation.
How is this product shipped and exported?
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Tech Serve Solutions, established in 1998, is a specialist global supplier and exporter of fine chemicals, including this product. We handle all aspects of packaging and international shipment.
How can I request a sample or a quote?
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To request a sample or a quote for 3-(4-Fluorophenyl)-1H-pyrazole-5-carboxylic acid, please contact our sales department via our website or direct inquiry channels.
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