4-Chloro-3-nitropyridine

CAS 13091-23-1C5H3ClN2O2Chemical Synthesis

4-Chloro-3-nitropyridine (CAS: 13091-23-1, C5H3ClN2O2) is a halogenated pyridine derivative with a molecular weight of 158.54 g/mol. This compound serves as a key intermediate in organic synthesis, particularly within the pharmaceutical and agrochemical industries. Its structure allows for versatile functionalisation, making it a valuable building block for more complex molecules. Supplied by Tech Serve Solutions, it is available at an assay of 90% and should be stored at -20°C.

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4-Chloro-3-nitropyridine (C5H3ClN2O2) — chemical structure, CAS 13091-23-1; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisHalogenated HeterocyclesHeterocyclic Building BlocksPyridines More...

01 /Applications

Pharmaceutical Intermediate

4-Chloro-3-nitropyridine is utilised in the synthesis of active pharmaceutical ingredients (APIs). Its reactive chlorine and nitro groups enable its incorporation into various drug scaffolds.

Agrochemical Synthesis

This compound acts as a precursor for the development of novel pesticides and herbicides. The pyridine core is common in many agrochemical structures.

Organic Synthesis Building Block

As a versatile heterocyclic building block, it is employed in academic and industrial research for the creation of diverse organic molecules and fine chemicals.

02 /Properties

Molecular weight	158.54
Empirical formula	C5H3ClN2O2
Assay	90%
Storage temperature	−20°C
Melting point	35-50 °C

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

GHS hazard pictogram: Toxic (GHS06) — Toxic

Danger

Hazard statements

H301Toxic if swallowed
H318Causes serious eye damage

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection
P301IF SWALLOWED
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Transport (UN / ADR)	UN 2811 6.1 / PGIII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	22-41
Safety statements (S)	26-36/39

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

04 /Identifiers & registry

CAS number

13091-23-1

MDL number

MFCD02683025

PubChem substance

24885196

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 4-Chloro-3-nitropyridine used for?

4-Chloro-3-nitropyridine is primarily used as a building block in organic synthesis, serving as an intermediate for pharmaceuticals and agrochemicals.

What is the CAS number and formula for 4-Chloro-3-nitropyridine?

The CAS number is 13091-23-1 and the empirical formula is C5H3ClN2O2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 4-Chloro-3-nitropyridine with an assay of 90%. We do not represent this product as USP, BP, or EP grade.

How should 4-Chloro-3-nitropyridine be handled safely?

This compound is classified as Danger, with hazards including H301 (Toxic if swallowed) and H318 (Causes serious eye damage). Recommended personal protective equipment includes a dust mask (type N95 US), eyeshields, faceshields, and gloves. Handle in a well-ventilated area and avoid contact with eyes and skin.