3-Chloropyridine
3-Chloropyridine (CAS 626-60-8, C5H4ClN, MW 113.54) is a halogenated pyridine derivative. As a versatile building block, it finds utility in organic synthesis, particularly in the preparation of more complex heterocyclic compounds. Its chemical structure allows for various substitution reactions, making it a valuable intermediate in the development of novel materials and active pharmaceutical ingredients.

Organic Synthesis Intermediate
3-Chloropyridine serves as a key intermediate in the synthesis of various organic molecules. Its reactive chlorine atom can be displaced by nucleophiles, enabling the introduction of diverse functional groups onto the pyridine ring. This makes it valuable for constructing complex heterocyclic systems.
Pharmaceutical Research
This compound is employed in the research and development of new pharmaceutical agents. It acts as a precursor for synthesizing potential drug candidates, leveraging its pyridine core and halogen substituent for targeted molecular design.
Agrochemical Development
3-Chloropyridine can be used in the development of agrochemicals. Its structure may contribute to the efficacy of novel pesticides, herbicides, or fungicides, though specific applications require detailed research and development.
| Molecular weight | 113.54 |
|---|---|
| Empirical formula | C5H4ClN |
| Assay | 99% |
| Grade | ReagentPlus® |
| Boiling point | 148 °C(lit.) |
| Density | 1.194 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.533(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 66 °C / 150.8 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22 |
| Safety statements (S) | 36/37 |
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-Chloropyridine used for?
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3-Chloropyridine (CAS 626-60-8) is primarily used as a versatile building block in organic synthesis, particularly for creating more complex heterocyclic compounds and as an intermediate in pharmaceutical and agrochemical research.
What are the CAS number and chemical formula for 3-Chloropyridine?
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The CAS number for 3-Chloropyridine is 626-60-8, and its chemical formula is C5H4ClN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Chloropyridine with a minimum assay of 99%, available in ReagentPlus® grade. We do not represent this product as USP, BP, or EP grade.
How should 3-Chloropyridine be handled safely?
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3-Chloropyridine is harmful if swallowed, in contact with skin, or if inhaled (H302-H312-H332). Always wear appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, and handle in a well-ventilated area.
Is 3-Chloropyridine a controlled substance?
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The provided data does not indicate that 3-Chloropyridine is a controlled substance.
How is 3-Chloropyridine packed, shipped, and exported?
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3-Chloropyridine is packed and shipped according to international regulations for hazardous materials (NA 1993, PGIII). Tech Serve Solutions is a global supplier and exporter experienced in handling such shipments.
How can I request a quote or sample of 3-Chloropyridine?
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To request a quote or sample of 3-Chloropyridine, please contact our sales team through the website or by phone, providing your specific requirements.
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