5-Amino-3-(4-chlorophenyl)isoxazole
5-Amino-3-(4-chlorophenyl)isoxazole (CAS: 33866-48-7, C9H7ClN2O) is a halogenated heterocyclic compound with a molecular weight of 194.62 g/mol. Supplied by TSS with an assay of 97%, this chemical serves as a valuable building block in organic synthesis. Its structure makes it suitable for further functionalisation in the development of novel molecules, particularly within pharmaceutical research and material science.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of more complex organic molecules. Its amino and isoxazole functionalities offer versatile reaction sites for further chemical transformations.
Pharmaceutical Research
A potential building block for the development of novel pharmaceutical agents. The isoxazole core and halogenated phenyl ring are common motifs in medicinal chemistry.
Heterocyclic Chemistry
Serves as a valuable reagent in heterocyclic chemistry studies, enabling the construction of diverse heterocyclic scaffolds.
| Molecular weight | 194.62 |
|---|---|
| Empirical formula | C9H7ClN2O |
| Assay | 97% |
| Melting point | 163-167 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 5-Amino-3-(4-chlorophenyl)isoxazole used for?
+
5-Amino-3-(4-chlorophenyl)isoxazole is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and heterocyclic chemistry.
What are the CAS number and molecular formula for 5-Amino-3-(4-chlorophenyl)isoxazole?
+
The CAS number is 33866-48-7 and the molecular formula is C9H7ClN2O.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 5-Amino-3-(4-chlorophenyl)isoxazole with an assay of 97%. This product is typically supplied for research and development purposes and is not represented as USP, BP, or EP grade.
How should 5-Amino-3-(4-chlorophenyl)isoxazole be handled?
+
This compound is classified as Danger, H301 (Toxic if swallowed). Handling requires appropriate personal protective equipment including a dust mask (N95), eyeshields, face shields, and gloves. Ensure adequate ventilation and avoid ingestion.
How is 5-Amino-3-(4-chlorophenyl)isoxazole packed and shipped?
+
Tech Serve Solutions packs and ships chemicals in compliance with international regulations. For this compound, shipments may fall under UN 2811, Class 6.1, Packing Group III. Please contact us for specific export and shipping details.
How can I request a sample or quote for 5-Amino-3-(4-chlorophenyl)isoxazole?
+
To request a sample or obtain a quotation, please use the contact form on our website or contact our sales department directly with your requirements.
▶ 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