2-Chloropyridine-5-acetonitrile
2-Chloropyridine-5-acetonitrile (CAS: 39891-09-3), with the molecular formula C7H5ClN2 and a molecular weight of 152.58, is a versatile heterocyclic building block. This compound is primarily utilised in organic synthesis, particularly in the development of new chemical entities and advanced materials. Its structure, featuring a chlorinated pyridine ring with an acetonitrile substituent, makes it a valuable intermediate for introducing specific functionalities into larger molecular frameworks.
- IUPAC
- 2-Chloro-5-(cyanomethyl)pyridine,6-Chloro-3-pyridylacetonitrile
- Synonyms
- 2-Chloro-5-(cyanomethyl)pyridine6-Chloro-3-pyridylacetonitrile

Pharmaceutical Intermediate
Used in the synthesis of active pharmaceutical ingredients (APIs) and drug discovery programmes. Its unique structure allows for the creation of novel heterocyclic compounds with potential therapeutic applications.
Agrochemical Synthesis
Serves as a key building block in the development of new pesticides and herbicides. The pyridine moiety is common in many agrochemical structures.
Organic Synthesis Reagent
Employed as a reactive intermediate in complex organic synthesis pathways. Its functional groups enable various transformations for creating diverse molecular architectures.
Materials Science
Incorporated into the synthesis of novel organic materials and functional polymers. The heterocyclic and nitrile groups can influence material properties.
| Molecular weight | 152.58 |
|---|---|
| Empirical formula | C7H5ClN2 |
| Assay | 95% |
| Melting point | 43-48 °C |


Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
| Flash point | >110 °C / >230 °F |
|---|---|
| Transport (UN / ADR) | UN 3439 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26-39 |
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 2-Chloropyridine-5-acetonitrile used for?
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2-Chloropyridine-5-acetonitrile (CAS: 39891-09-3) is used as a building block in organic synthesis, particularly in the pharmaceutical and agrochemical industries for the creation of new chemical entities and materials.
What are the CAS number and formula for 2-Chloropyridine-5-acetonitrile?
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The CAS number is 39891-09-3 and the empirical formula is C7H5ClN2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloropyridine-5-acetonitrile with an assay of 95%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should 2-Chloropyridine-5-acetonitrile be handled?
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This compound is classified as Danger. It is harmful if swallowed (H301), causes skin irritation (H315), causes serious eye damage (H318), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area. Refer to the Safety Data Sheet (SDS) for detailed handling instructions.
Can Tech Serve Solutions export 2-Chloropyridine-5-acetonitrile?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and can handle the export of 2-Chloropyridine-5-acetonitrile.
How can I request a quote or sample?
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To request a quote or sample of 2-Chloropyridine-5-acetonitrile, please contact our sales team through the website or by phone.
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