4-Chloro-1H-pyrazole-3-carboxylic acid
4-Chloro-1H-pyrazole-3-carboxylic acid (CAS: 84547-87-5; Formula: C4H3ClN2O2; Molar Mass: 146.53 g/mol) is a halogenated heterocyclic building block. This pyrazole derivative is primarily used in organic synthesis and chemical research, serving as an intermediate for the development of novel compounds. Its chemical structure makes it valuable for introducing the pyrazole moiety into more complex molecules, with applications in medicinal chemistry and materials science.
Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of complex organic molecules. Its reactive chloro and carboxylic acid functionalities allow for diverse chemical transformations.
Medicinal Chemistry Research
Utilised in the development of new pharmaceutical agents. The pyrazole core is a common scaffold in many biologically active compounds.
Heterocyclic Chemistry
A valuable building block for constructing a variety of substituted pyrazoles and related heterocyclic systems.
Chemical Research & Development
Employed in academic and industrial R&D settings for exploring new chemical reactions and discovering novel compounds.
| Molecular weight | 146.53 |
|---|---|
| Empirical formula | C4H3ClN2O2 |
| Assay | 95% |
| Melting point | 255-260 °C |
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) | 26-36 |
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 4-Chloro-1H-pyrazole-3-carboxylic acid used for?
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4-Chloro-1H-pyrazole-3-carboxylic acid is used as a building block in organic synthesis, particularly in medicinal chemistry research and the development of novel heterocyclic compounds.
What is the CAS number and chemical formula for 4-Chloro-1H-pyrazole-3-carboxylic acid?
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The CAS number is 84547-87-5 and the chemical formula is C4H3ClN2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Chloro-1H-pyrazole-3-carboxylic acid with a minimum assay of 95%. This product is intended for research and chemical synthesis purposes and is not supplied as USP, BP, or EP grade.
How should 4-Chloro-1H-pyrazole-3-carboxylic acid be handled?
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4-Chloro-1H-pyrazole-3-carboxylic acid is classified as a Warning substance. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area. Avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes and seek medical advice. If inhaled, move to fresh air and consult a physician.
Is 4-Chloro-1H-pyrazole-3-carboxylic acid a controlled substance?
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Based on the provided data, 4-Chloro-1H-pyrazole-3-carboxylic acid is not indicated as a controlled substance.
How is this chemical packed and exported?
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Tech Serve Solutions exports fine chemicals globally. Packaging is designed to maintain product integrity during transit, adhering to international shipping regulations for chemical substances.
How can I request a quote or sample?
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To request a quote or sample of 4-Chloro-1H-pyrazole-3-carboxylic acid, please use the 'Request Quote' or 'Sample Request' forms available on the Tech Serve Solutions website, or contact our sales department directly.
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