Methyl 2-chloropyridine-3-carboxylate
Methyl 2-chloropyridine-3-carboxylate (CAS 40134-18-7) is a halogenated heterocyclic compound with the molecular formula C7H6ClNO2 and a molecular weight of 171.58 g/mol. This pyridine derivative serves as a valuable building block in organic synthesis. Its chemical structure, featuring a chlorine atom and a methyl ester group on the pyridine ring, allows for diverse functionalisation in the development of complex molecules.
- IUPAC
- 2-Chloro-3-pyridinecarboxylic acid methyl ester,2-Chloro-nicotinic acid methyl ester

Organic Synthesis Intermediate
Methyl 2-chloropyridine-3-carboxylate is widely employed as a key intermediate in the synthesis of various organic compounds. Its reactivity enables its use in the construction of more complex heterocyclic systems and functionalised pyridine derivatives.
Pharmaceutical Research
This compound finds application in pharmaceutical research and development as a building block for potential drug candidates. The pyridine scaffold is a common feature in many biologically active molecules.
Agrochemical Development
The unique structural features of Methyl 2-chloropyridine-3-carboxylate make it a useful precursor in the synthesis of novel agrochemicals. Its incorporation can lead to compounds with desired pesticidal or herbicidal properties.
| Molecular weight | 171.58 |
|---|---|
| Empirical formula | C7H6ClNO2 |
| Assay | 97% |
| Boiling point | 150 °C/1 mmHg |
| Density | 1.314 g/mL at 25 °C |
| Refractive index | n20/D 1.537 |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | >110 °C / >230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| Safety statements (S) | 26 |
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 Methyl 2-chloropyridine-3-carboxylate used for?
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Methyl 2-chloropyridine-3-carboxylate is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical and agrochemical research and development for constructing complex molecules.
What are the CAS number and formula for Methyl 2-chloropyridine-3-carboxylate?
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The CAS number for Methyl 2-chloropyridine-3-carboxylate is 40134-18-7 and its empirical formula is C7H6ClNO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl 2-chloropyridine-3-carboxylate with a minimum assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should Methyl 2-chloropyridine-3-carboxylate be handled?
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Methyl 2-chloropyridine-3-carboxylate is classified as an irritant (H319). Handle with appropriate personal protective equipment, including eyeshields and gloves. Ensure adequate ventilation and use a suitable respirator if necessary. Refer to the Safety Data Sheet for detailed handling instructions.
Is Methyl 2-chloropyridine-3-carboxylate regulated or controlled?
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Based on the provided data, there is no indication that Methyl 2-chloropyridine-3-carboxylate is a controlled or scheduled substance.
How is Methyl 2-chloropyridine-3-carboxylate packed and exported?
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Tech Serve Solutions packs and exports chemicals adhering to all relevant international shipping and safety regulations. Specific packaging details are available upon request.
How can I request a sample or quote for Methyl 2-chloropyridine-3-carboxylate?
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To request a sample or a quote for Methyl 2-chloropyridine-3-carboxylate, please contact our sales department through the website or by phone.
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