3-Amino-1-(2,4,6-trichlorophenyl)-2-pyrazolin-5-one
3-Amino-1-(2,4,6-trichlorophenyl)-2-pyrazolin-5-one (CAS 27241-31-2) is a trichlorinated phenyl pyrazolinone derivative with the molecular formula C9H6Cl3N3O and a molecular weight of 278.52 g/mol. This heterocyclic compound serves as a valuable building block in organic synthesis, particularly for the creation of more complex molecules. It is supplied by Tech Serve Solutions with an assay of 97%.
- Synonyms
- 27241-31-2

Organic Synthesis Intermediate
3-Amino-1-(2,4,6-trichlorophenyl)-2-pyrazolin-5-one is utilized as a key intermediate in multi-step organic syntheses. Its functional groups allow for diverse chemical transformations.
Heterocyclic Chemistry
This compound is employed in the development of novel heterocyclic structures, including substituted pyrazoles. Its halogenated phenyl ring offers unique reactivity patterns.
Research and Development
As a fine chemical, it finds application in academic and industrial research laboratories for exploring new chemical entities and reaction pathways.
| Molecular weight | 278.52 |
|---|---|
| Empirical formula | C9H6Cl3N3O |
| Assay | 97% |
| Melting point | 218 °C (dec.)(lit.) |

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
| 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) | 26-36 |
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 3-Amino-1-(2,4,6-trichlorophenyl)-2-pyrazolin-5-one used for?
+
This compound is primarily used as a building block in organic synthesis and for research in heterocyclic chemistry.
What are the CAS number and formula for this product?
+
The CAS number is 27241-31-2, and the empirical formula is C9H6Cl3N3O.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 3-Amino-1-(2,4,6-trichlorophenyl)-2-pyrazolin-5-one with an assay of 97%. This is a technical/research grade material, and TSS does not represent it as USP, BP, or EP grade.
What are the main safety considerations when handling this chemical?
+
This compound may cause skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Always handle with appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, in a well-ventilated area.
How is this chemical packed and exported?
+
Tech Serve Solutions offers this chemical in various pack sizes suitable for laboratory and industrial use and exports globally.
How can I request a sample or a quote?
+
To request a sample or obtain a quotation, please contact our sales team through the website or by phone.
▶ 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