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Atomfair 2-Chloro-5-iodopyridine C5H3ClIN CAS 69045-79-0

2-Chloro-5-iodopyridine (CAS No. 69045-79-0) is a high-purity halogenated pyridine derivative with the molecular formula C5H3ClIN . This heteroaromatic compound is a versatile building block in pharmaceutical, agrochemical, and materials science research, offering dual reactive sites (chloro and iodo substituents) for selective functionalization. Its crystalline form and stability under inert conditions make it ideal for Suzuki, Stille, and other cross-coupling reactions. Packaged in amber glass vials under nitrogen to prevent degradation, our ≥98% HPLC-grade product includes comprehensive analytical documentation (GC/MS,1H/13C NMR). Available in quantities from 1g to 1kg with custom synthesis options.

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Description

2-Chloro-5-iodopyridine (CAS No. 69045-79-0) is a high-purity halogenated pyridine derivative with the molecular formula C5H3ClIN. This heteroaromatic compound is a versatile building block in pharmaceutical, agrochemical, and materials science research, offering dual reactive sites (chloro and iodo substituents) for selective functionalization. Its crystalline form and stability under inert conditions make it ideal for Suzuki, Stille, and other cross-coupling reactions. Packaged in amber glass vials under nitrogen to prevent degradation, our ≥98% HPLC-grade product includes comprehensive analytical documentation (GC/MS, 1H/13C NMR). Available in quantities from 1g to 1kg with custom synthesis options.

Properties

  • CAS Number: 69045-79-0
  • Complexity: 78.8
  • IUPAC Name: 2-chloro-5-iodo-pyridine
  • InChI: InChI=1S/C5H3ClIN/c6-5-2-1-4(7)3-8-5/h1-3H
  • InChI Key: QWLGCWXSNYKKDO-UHFFFAOYSA-N
  • Exact Mass: 238.89987
  • Molecular Formula: C5H3ClIN
  • Molecular Weight: 239.44
  • SMILES: C1=CC(=NC=C1I)Cl
  • Topological: 12.9
  • Monoisotopic Mass: 238.89987
  • Synonyms: 2-Chloro-5-iodopyridine, 69045-79-0, DTXSID90402837, DTXCID30353692, 627-359-1, Pyridine, 2-chloro-5-iodo-, 2-chloro-5-iodo pyridine, MFCD01863635, 2-chloro-5-iodo-pyridine, 2-chloro-5 iodopyridine, 5-iodo-2-chloro-pyridine, SCHEMBL17612, SCHEMBL2681568, 2-Chloro-5-iodopyridine, 97%, BCP22108, CL0078, SBB013975, STK688512, AKOS005254717, AC-3574, CS-W002858, FC16330, HY-W002858, PS-7597, BP-11498, SY007438, DB-006070, DB-330159, ST4128289, C2341, EN300-100882, F1905-7220, InChI=1/C5H3ClIN/c6-5-2-1-4(7)3-8-5/h1-3

Application

2-Chloro-5-iodopyridine serves as a key intermediate in the synthesis of active pharmaceutical ingredients (APIs), particularly kinase inhibitors and antiviral agents. Its halogenated structure enables precise modifications for structure-activity relationship (SAR) studies in drug discovery. The compound is also employed in ligand design for catalytic systems and as a precursor for functionalized liquid crystals in optoelectronic materials.

Safety and Hazards

GHS Hazard Statements

  • H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (97.8%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

  • Skin Irrit. 2 (100%)
  • Eye Irrit. 2 (100%)
  • STOT SE 3 (97.8%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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