2,3-Difluoro-5-chloropyridine

CAS 89402-43-7C5H2ClF2NChemical Synthesis

2,3-Difluoro-5-chloropyridine (CAS: 89402-43-7) is a fluorinated heterocyclic compound with the molecular formula C5H2ClF2N and a molecular weight of 149.53 g/mol. It serves as a valuable building block in organic synthesis. Its unique halogenation pattern makes it useful for introducing specific structural motifs into more complex molecules, particularly in the development of pharmaceuticals and agrochemicals.

Synonyms: C5H2ClF2N

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2,3-Difluoro-5-chloropyridine (C5H2ClF2N) — chemical structure, CAS 89402-43-7; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisFluorinated Building BlocksHalogenated HeterocyclesHeterocyclic Building BlocksPyridines More...

01 /Applications

Pharmaceutical Intermediate

Utilised in the synthesis of active pharmaceutical ingredients (APIs), leveraging its specific difluoro-chloro-pyridine structure for targeted drug development.

Agrochemical Synthesis

Acts as a key building block for creating novel pesticides, herbicides, and fungicides, contributing to the development of advanced crop protection solutions.

Materials Science

Can be incorporated into advanced materials synthesis, exploring novel properties derived from its fluorinated and halogenated pyridine core.

Research and Development

A versatile reagent for academic and industrial research laboratories engaged in exploring new synthetic methodologies and target molecules.

02 /Properties

Molecular weight	149.53
Empirical formula	C5H2ClF2N
Assay	95%
Density	1.442 g/mL at 25 °C
Storage temperature	2-8°C

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H226Flammable liquid and vapour
H302Harmful if swallowed
H412Harmful to aquatic life with long-lasting effects

Precautionary statements

P273Avoid release to the environment

Flash point	24 °C / 75.2 °F
Transport (UN / ADR)	UN 1993C 3 / PGIII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	10-22-52/53
Safety statements (S)	23-36-61

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

89402-43-7

05 /Quality & supply

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.

06 /Frequently asked questions

What is 2,3-Difluoro-5-chloropyridine used for?

2,3-Difluoro-5-chloropyridine is primarily used as a building block in organic synthesis, particularly for the development of pharmaceuticals, agrochemicals, and potentially in materials science research.

What are the CAS number and chemical formula for 2,3-Difluoro-5-chloropyridine?

The CAS number is 89402-43-7 and the chemical formula is C5H2ClF2N.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 2,3-Difluoro-5-chloropyridine with an assay of 95%. This product is a technical grade suitable for research and chemical synthesis; TSS does not represent it as USP, BP, or EP grade.

How should 2,3-Difluoro-5-chloropyridine be handled and stored safely?

This compound is a flammable liquid and vapour (H226), harmful if swallowed (H302), and harmful to aquatic life with long-lasting effects (H412). It should be stored at 2-8°C in a well-ventilated area, away from ignition sources. Handle with appropriate personal protective equipment.