3-(4-Bromophenyl)-1-(4-chlorophenyl)pyrazole-4-propionic acid
3-(4-Bromophenyl)-1-(4-chlorophenyl)pyrazole-4-propionic acid (CAS 870704-04-4) is a halogenated heterocyclic compound with the molecular formula C18H14BrClN2O2 and a molecular weight of 405.67 g/mol. Supplied by Tech Serve Solutions with a purity of 97%, this building block is primarily utilised in chemical synthesis and research applications, particularly within the field of organic chemistry for the construction of more complex molecules.

Organic Synthesis
This pyrazole derivative serves as a valuable building block in organic synthesis. Its functional groups allow for diverse chemical transformations, enabling the creation of novel molecular architectures.
Pharmaceutical Intermediate
The presence of halogenated phenyl rings and the pyrazole core suggests potential utility as an intermediate in the synthesis of pharmaceutically active compounds. Research may explore its role in drug discovery pathways.
Materials Science Research
Compounds featuring halogenated aromatic systems can exhibit interesting electronic and photophysical properties. This molecule may be investigated for applications in advanced materials research.
| Molecular weight | 405.67 |
|---|---|
| Empirical formula | C18H14BrClN2O2 |
| Assay | 97% |
| Melting point | 156-160 °C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H413May cause long-lasting harmful effects to aquatic life
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 |
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-Bromophenyl)-1-(4-chlorophenyl)pyrazole-4-propionic acid used for?
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This compound is primarily used as a building block in organic synthesis and in chemical research, potentially serving as an intermediate in the development of new pharmaceutical agents or advanced materials.
What are the CAS number and formula for this compound?
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The CAS number is 870704-04-4, and its empirical formula (in Hill notation) is C18H14BrClN2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the key safety considerations when handling this chemical?
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This compound is a Warning substance (GHS07) and may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). It may also cause long-lasting harmful effects to aquatic life (H413). Handle with appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves, and ensure adequate ventilation. Avoid breathing dust.
How is this chemical packed and shipped?
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This chemical is typically packed and shipped in accordance with international regulations for chemical transport. As a global supplier and exporter, TSS ensures appropriate packaging for safe handling and transit.
How can I request a sample or obtain a quote?
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To request a sample or obtain a quote for 3-(4-Bromophenyl)-1-(4-chlorophenyl)pyrazole-4-propionic acid, please contact our sales department via the website or by phone.
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