5-Phenyl-1H-pyrazole-4-carboxylic acid
5-Phenyl-1H-pyrazole-4-carboxylic acid (CAS: 5504-65-4), with molecular formula C10H8N2O2 and a molecular weight of 188.18 g/mol, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis. This pyrazole derivative is primarily utilised in research and development settings for the creation of more complex molecules, particularly within the pharmaceutical and agrochemical industries. It is supplied by Tech Serve Solutions for laboratory and industrial applications.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of novel organic compounds. Its pyrazole core and carboxylic acid functionality allow for diverse chemical transformations.
Pharmaceutical Research
Serves as a building block for the development of potential pharmaceutical agents. Its structure is amenable to modification for drug discovery programmes.
Material Science
Can be employed in the synthesis of specialised materials where heterocyclic structures are desired for specific properties.
Agrochemical Development
A potential precursor in the research and development of new agrochemical compounds, such as pesticides or herbicides.
| Molecular weight | 188.18 |
|---|---|
| Empirical formula | C10H8N2O2 |
| Melting point | 278 °C (dec.)(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 5-Phenyl-1H-pyrazole-4-carboxylic acid used for?
+
5-Phenyl-1H-pyrazole-4-carboxylic acid is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and the development of new materials and agrochemicals.
What is the CAS number and molecular formula for 5-Phenyl-1H-pyrazole-4-carboxylic acid?
+
The CAS number is 5504-65-4 and the molecular formula is C10H8N2O2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this chemical for research and laboratory use. The specific assay and purity will be detailed on the Certificate of Analysis provided with your order. We do not represent this product as USP, BP, or EP grade.
How should 5-Phenyl-1H-pyrazole-4-carboxylic acid be handled?
+
This compound is classified as a Warning (GHS07) and causes serious eye irritation (H319). When handling, ensure adequate ventilation and wear appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter.
Is 5-Phenyl-1H-pyrazole-4-carboxylic acid available for export?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 5-Phenyl-1H-pyrazole-4-carboxylic acid, which can be shipped worldwide.
How can I request a sample or quote for 5-Phenyl-1H-pyrazole-4-carboxylic acid?
+
To request a sample or a quotation, please contact our sales department through the website or by phone, providing your details and the product CAS number 5504-65-4.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis