1-(4-Methoxyphenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Tech Serve Solutions supplies 1-(4-Methoxyphenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid (CAS: 98534-83-9), a heterocyclic organic compound with the molecular formula C12H9F3N2O3 and a molecular weight of 286.21. Characterised by its pyrazole core and trifluoromethyl substituent, this compound serves as a valuable building block in chemical synthesis, particularly within the field of heterocyclic chemistry. Its structure lends itself to the development of novel molecules for various research applications.

Chemical Synthesis Intermediate
This pyrazole derivative is utilised as a key intermediate in the synthesis of more complex organic molecules. Its functional groups allow for diverse chemical transformations.
Heterocyclic Building Block
As a heterocyclic building block, it is employed in the construction of novel ring systems. This is particularly relevant in medicinal chemistry and materials science research.
Research and Development
The compound is used in laboratory settings for research and development purposes, enabling the exploration of new chemical entities and reactions.
| Molecular weight | 286.21 |
|---|---|
| Empirical formula | C12H9F3N2O3 |
| Assay | 97% |
| Melting point | 163-167 °C(lit.) |

Hazard statements
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 43 |
| Safety statements (S) | 26-36/37 |
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 1-(4-Methoxyphenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid primarily used for?
+
This compound is primarily used as a building block in chemical synthesis and for research and development in heterocyclic chemistry.
What are the CAS number and molecular formula for this compound?
+
The CAS number is 98534-83-9 and the molecular formula is C12H9F3N2O3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this compound with an assay of 97%. We do not represent it as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated in the product specifications.
How should 1-(4-Methoxyphenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid be handled?
+
This compound is classified as a Warning. It may cause an allergic skin reaction (H317). Recommended personal protective equipment includes a dust mask type N95 (US), Eyeshields, Faceshields, and Gloves. Handle in a well-ventilated area and avoid contact with skin and eyes. Refer to the safety data sheet for comprehensive handling information.
Is this chemical packed and shipped internationally?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including this product.
How can I request a quote or sample?
+
Please contact our sales team via the website or direct email to request a quote or a sample of 1-(4-Methoxyphenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid.
▶ 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