Ethyl 1-(4-nitrophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate
Ethyl 1-(4-nitrophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate (CAS: 175137-35-6), a sophisticated organic compound with the molecular formula C13H10F3N3O4 and a molecular weight of 329.23 g/mol. It is a key heterocyclic building block, primarily utilised in chemical synthesis and research. Its unique pyrazole structure, featuring trifluoromethyl and nitrophenyl substituents, makes it a valuable intermediate for developing novel molecules within the pharmaceutical and agrochemical sectors.

Organic Synthesis Intermediate
This compound serves as a crucial building block in the synthesis of complex organic molecules. Its functional groups allow for various chemical transformations, enabling the creation of novel chemical entities.
Pharmaceutical Research
It is employed as a precursor in the development of potential pharmaceutical agents. The pyrazole core is a known pharmacophore present in many bioactive compounds.
Agrochemical Development
The compound's structure may be of interest for the synthesis of new agrochemicals, potentially leading to new pesticides or herbicides.
Material Science
Potential applications exist in material science for the synthesis of specialised organic materials, leveraging its unique electronic and structural properties.
| Molecular weight | 329.23 |
|---|---|
| Empirical formula | C13H10F3N3O4 |
| Assay | 97% |
| Melting point | 106-110 °C |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36 |
| Safety statements (S) | 26 |
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 Ethyl 1-(4-nitrophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate used for?
+
Ethyl 1-(4-nitrophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate is primarily used as a building block in organic synthesis, particularly for research in the pharmaceutical and agrochemical industries.
What are the CAS number and molecular formula for this compound?
+
The CAS number is 175137-35-6, and the molecular formula is C13H10F3N3O4.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this chemical with an assay of 97%. This product is typically considered a research or technical grade chemical and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling precautions for this chemical?
+
This compound is classified as harmful if swallowed (H302) and causes serious eye irritation (H319). Appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves, should be used. Handle in a well-ventilated area.
How is this chemical packed and shipped by Tech Serve Solutions?
+
Tech Serve Solutions exports this chemical globally, ensuring appropriate packaging and adherence to international shipping regulations for chemical substances.
How can I request a sample or quote for this product?
+
To request a sample or a quote, please contact the Tech Serve Solutions sales department via our website or direct email, providing the product name and CAS number.
▶ 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