4-Chloroquinoline
4-Chloroquinoline (CAS: 611-35-8; Formula: C9H6ClN; Molar Mass: 163.60) is a halogenated heterocyclic compound. It serves as a valuable building block in organic synthesis, particularly for the creation of more complex quinoline derivatives. Its chemical properties make it a useful intermediate in research and development settings for the pharmaceutical and fine chemical industries.

Organic Synthesis Intermediate
4-Chloroquinoline is utilized as a key intermediate in the synthesis of various organic compounds. Its reactive chlorine atom allows for facile substitution reactions, enabling the introduction of diverse functional groups onto the quinoline scaffold.
Pharmaceutical Research
This compound is employed in medicinal chemistry research for the development of novel pharmaceutical agents. The quinoline core is a prevalent structure in many biologically active molecules, and modifications using 4-chloroquinoline can lead to new drug candidates.
Heterocyclic Chemistry
As a halogenated heterocycle, 4-Chloroquinoline is a fundamental reagent in heterocyclic chemistry. It facilitates the construction of complex molecular architectures relevant to materials science and drug discovery.
| Molecular weight | 163.60 |
|---|---|
| Empirical formula | C9H6ClN |
| Assay | 99% |
| Boiling point | 260-261 °C(lit.) |
| Density | 1.25 g/mL at 20 °C(lit.) |
| Melting point | 28-31 °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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| 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 4-Chloroquinoline used for?
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4-Chloroquinoline is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and the development of heterocyclic compounds.
What is the CAS number and formula for 4-Chloroquinoline?
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The CAS number for 4-Chloroquinoline is 611-35-8, and its molecular formula is C9H6ClN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Chloroquinoline with an assay of 99%. We do not represent this product as USP, BP, or EP grade unless explicitly stated in the product specifications.
How should 4-Chloroquinoline be handled?
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4-Chloroquinoline is classified as an irritant (H315, H319, H335). Handle with appropriate personal protective equipment, including safety glasses, gloves, and a suitable respirator, ensuring good ventilation. Avoid contact with skin, eyes, and clothing.
Does Tech Serve Solutions export 4-Chloroquinoline?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Chloroquinoline.
How can I request a sample or quote for 4-Chloroquinoline?
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To request a sample or obtain a quote for 4-Chloroquinoline, please contact our sales department through the website or by phone.
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