2-Chloro-4-pyridinecarbonitrile
2-Chloro-4-pyridinecarbonitrile (CAS: 33252-30-1; C6H3ClN2) is a halogenated heterocyclic compound with a molecular weight of 138.55 g/mol. This chemical building block is valuable in organic synthesis, particularly for the construction of more complex pyridine derivatives. Its structure lends itself to further functionalization, making it a key intermediate in various research and development applications within the chemical and pharmaceutical industries.
- IUPAC
- 2-Chloro-4-cyanopyridine
- Synonyms
- 2-Chloro-4-cyanopyridine

Organic Synthesis Intermediate
Utilised as a versatile building block in multi-step organic syntheses, enabling the introduction of the 4-cyanopyridin-2-yl moiety into target molecules.
Pharmaceutical Research
Serves as a precursor or intermediate in the development of novel pharmaceutical agents, contributing to the creation of diverse chemical entities for drug discovery programs.
Agrochemical Development
Can be employed in the synthesis pathways for new agrochemical compounds, aiding in the research of crop protection agents.
Material Science
Potentially used in the synthesis of specialised organic materials where pyridine rings and nitrile groups are desired structural features.
| Molecular weight | 138.55 |
|---|---|
| Empirical formula | C6H3ClN2 |
| Assay | 97% |
| Melting point | 69-73 °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 |
|---|---|
| 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 2-Chloro-4-pyridinecarbonitrile used for?
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2-Chloro-4-pyridinecarbonitrile is primarily used as a building block in organic synthesis for creating more complex pyridine derivatives, finding applications in pharmaceutical research, agrochemical development, and potentially material science.
What is the CAS number and formula for 2-Chloro-4-pyridinecarbonitrile?
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The CAS number for 2-Chloro-4-pyridinecarbonitrile is 33252-30-1, and its empirical formula is C6H3ClN2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-4-pyridinecarbonitrile with an assay of 97%. This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or pharmaceutical grade.
How should 2-Chloro-4-pyridinecarbonitrile be handled safely?
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According to GHS, 2-Chloro-4-pyridinecarbonitrile is a Warning substance with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). It is advised to wear eyeshields and appropriate gloves, and to use it in a well-ventilated area or with a suitable respirator. Avoid breathing dust/fume/gas/mist/vapours/spray.
Is 2-Chloro-4-pyridinecarbonitrile a controlled substance?
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Based on the provided data, there is no indication that 2-Chloro-4-pyridinecarbonitrile is a controlled substance.
How is 2-Chloro-4-pyridinecarbonitrile packaged and exported?
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Tech Serve Solutions, as a global supplier and exporter, packages and ships fine chemicals like 2-Chloro-4-pyridinecarbonitrile in compliance with all relevant international regulations for chemical transport.
How can I request a sample or quote for 2-Chloro-4-pyridinecarbonitrile?
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To request a sample or quote for 2-Chloro-4-pyridinecarbonitrile, please contact our sales team through the designated channels on the Tech Serve Solutions website.
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