4,8-Dichloroquinoline
4,8-Dichloroquinoline (CAS: 21617-12-9) is a halogenated heterocyclic compound with the molecular formula C9H5Cl2N and a molecular weight of 198.05 g/mol. This chemical serves as a valuable building block in organic synthesis, particularly within the fields of chemical and pharmaceutical research. Its dichlorinated quinoline structure makes it a versatile intermediate for creating more complex molecules. Tech Serve Solutions supplies this compound at a minimum 97% purity.
- Synonyms
- C9H5Cl2N

Organic Synthesis Intermediate
4,8-Dichloroquinoline is utilized as a key intermediate in the synthesis of various organic compounds. Its reactive chlorine atoms allow for facile functionalization in further chemical transformations.
Pharmaceutical Research
This compound can serve as a starting material or intermediate in the development of novel pharmaceutical agents. Its heterocyclic nature is a common motif in biologically active molecules.
Heterocyclic Chemistry
As a member of the quinoline family, 4,8-Dichloroquinoline is employed in studies focused on heterocyclic chemistry. It enables the construction of complex quinoline derivatives.
| Molecular weight | 198.05 |
|---|---|
| Empirical formula | C9H5Cl2N |
| Assay | 97% |
| Melting point | 156-160 °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) | 26-36 |
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 4,8-Dichloroquinoline used for?
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4,8-Dichloroquinoline (CAS: 21617-12-9) is primarily used as a building block and intermediate in organic synthesis, particularly for pharmaceutical research and the creation of heterocyclic compounds.
What are the CAS number and formula for 4,8-Dichloroquinoline?
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The CAS number for 4,8-Dichloroquinoline is 21617-12-9, and its molecular formula is C9H5Cl2N.
What grade and purity does Tech Serve Solutions supply for 4,8-Dichloroquinoline?
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Tech Serve Solutions supplies 4,8-Dichloroquinoline with a minimum purity of 97%. We do not represent this product as USP, BP, or EP grade.
How should 4,8-Dichloroquinoline be handled safely?
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4,8-Dichloroquinoline is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). When handling, wear appropriate personal protective equipment including Eyeshields, Gloves, and a dust mask type N95 (US). Ensure good ventilation.
Is 4,8-Dichloroquinoline a controlled substance?
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Based on the provided data, there is no indication that 4,8-Dichloroquinoline is a controlled substance.
How is 4,8-Dichloroquinoline typically packed and shipped?
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4,8-Dichloroquinoline is carefully packed to ensure safe transit and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a quote or sample for 4,8-Dichloroquinoline?
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To request a quote or sample for 4,8-Dichloroquinoline, please contact our sales team through the website or by phone.
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