4-Bromo-3-methyl-1H-pyrazole-5-carboxylic acid

CAS 861382-63-0C5H5BrN2O2Chemical Synthesis

4-Bromo-3-methyl-1H-pyrazole-5-carboxylic acid (CAS: 861382-63-0; C5H5BrN2O2) is a heterocyclic organic compound with a molecular weight of 205.01 g/mol. This brominated pyrazole derivative serves as a valuable building block in organic synthesis. Its structure, featuring a carboxylic acid group and a bromine atom on the pyrazole ring, allows for diverse chemical transformations, making it a key intermediate in the development of novel compounds, particularly within pharmaceutical and agrochemical research.

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4-Bromo-3-methyl-1H-pyrazole-5-carboxylic acid (C5H5BrN2O2) — chemical structure, CAS 861382-63-0; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksC1 to C5C3-C9Carbonyl CompoundsCarboxylic AcidsChemical SynthesisHalogenated HeterocyclesHeterocyclic Building BlocksOrganic Building BlocksPyrazoles More...

01 /Applications

Intermediate in Organic Synthesis

This compound functions as a versatile building block for constructing more complex molecules. The presence of the carboxylic acid and bromine substituents enables various coupling and functionalisation reactions.

Pharmaceutical Research

It is utilised in the discovery and synthesis of new drug candidates. The pyrazole core is a common scaffold in many biologically active molecules, and this derivative offers a unique entry point for medicinal chemistry programmes.

Agrochemical Development

The compound may find application in the synthesis of novel agrochemicals. Its structural features could contribute to the development of new pesticides, herbicides, or fungicides.

Material Science

As a functionalised heterocyclic, it can be employed in the creation of specialised organic materials with tailored electronic or optical properties.

02 /Properties

Molecular weight	205.01
Empirical formula	C5H5BrN2O2
Assay	97%
Storage temperature	2-8°C
Melting point	280-285 °C

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

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.

04 /Identifiers & registry

CAS number

861382-63-0

MDL number

MFCD06808784

05 /Quality & supply

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.

06 /Frequently asked questions

What is 4-Bromo-3-methyl-1H-pyrazole-5-carboxylic acid used for?

This compound is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical and agrochemical research for the development of novel compounds.

What are the CAS number and molecular formula?

The CAS number is 861382-63-0, and the molecular formula is C5H5BrN2O2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this chemical with a minimum assay of 97%. This is a research-grade material and is not intended for USP, BP, EP, or any other pharmacopoeia, nutraceutical, food, or medicinal use.

How should 4-Bromo-3-methyl-1H-pyrazole-5-carboxylic acid be handled?

Based on GHS information, this compound is a Warning substance and may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area, avoiding dust formation and contact with skin, eyes, and clothing. Always consult the Safety Data Sheet (SDS) before use.

How is this chemical packed, shipped, and exported?

This chemical is carefully packed according to international standards to ensure safe transit. Tech Serve Solutions is an experienced global supplier and exporter, familiar with the regulations for shipping chemical products worldwide.

How can I request a quote or sample?

To request a quote or a sample, please use the contact form on our website or contact our sales department directly. Specify the product name and CAS number (861382-63-0) in your request.