3-Chloro-6-phenylpyridazine
3-Chloro-6-phenylpyridazine (CAS: 20375-65-9), a halogenated heterocyclic compound with the molecular formula C10H7ClN2 and a molecular weight of 190.63 g/mol, is supplied by Tech Serve Solutions. This chemical serves as a valuable building block in organic synthesis, particularly within the pharmaceutical and agrochemical industries. Its structure allows for diverse chemical modifications, making it a key intermediate in the development of novel compounds. High purity ensures reliable results in complex synthetic pathways.

Pharmaceutical Intermediate
3-Chloro-6-phenylpyridazine is utilised in the synthesis of active pharmaceutical ingredients (APIs). Its pyridazine core and reactive chlorine atom facilitate the construction of complex molecular architectures relevant to drug discovery.
Agrochemical Research
The compound finds application in the development of new pesticides and herbicides. Its heterocyclic structure can be modified to create molecules with targeted biological activity for crop protection.
Organic Synthesis Reagent
As a versatile building block, 3-Chloro-6-phenylpyridazine is employed in various organic transformations. Researchers utilise it to introduce the phenylpyridazine moiety into diverse chemical structures.
| Molecular weight | 190.63 |
|---|---|
| Empirical formula | C10H7ClN2 |
| Assay | 98% |
| Melting point | 159-161 °C(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) | 26-37/39 |
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-Chloro-6-phenylpyridazine used for?
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3-Chloro-6-phenylpyridazine is primarily used as a building block in organic synthesis, with applications in the development of pharmaceuticals and agrochemicals.
What is the CAS number and formula for 3-Chloro-6-phenylpyridazine?
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The CAS number is 20375-65-9 and the empirical formula (Hill notation) is C10H7ClN2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Chloro-6-phenylpyridazine with an assay of 98%. TSS does not represent this product as USP, BP, or EP grade.
How should 3-Chloro-6-phenylpyridazine be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (N95 recommended), eyeshields, and gloves. Ensure good ventilation. Avoid breathing dust. Causes skin, eye, and respiratory irritation (H315, H319, H335).
Is 3-Chloro-6-phenylpyridazine packed and shipped internationally by TSS?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 3-Chloro-6-phenylpyridazine.
How can I request a quote or sample of 3-Chloro-6-phenylpyridazine?
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Please contact our sales team or use the online enquiry form on the Tech Serve Solutions website to request a quote or sample.
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