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Atomfair 2,3-Dibromo-5-chloropyridine C5H2Br2ClN CAS 137628-17-2

2,3-Dibromo-5-chloropyridine (CAS No. 137628-17-2) is a high-purity halogenated pyridine derivative with the molecular formula C5H2Br2ClN . This compound is a versatile building block in organic synthesis, particularly in pharmaceutical and agrochemical research. Its unique structure, featuring bromine and chlorine substituents on the pyridine ring, enables selective functionalization for the development of complex heterocyclic compounds. Suitable for cross-coupling reactions, nucleophilic substitutions, and metal-catalyzed transformations, this reagent is supplied as a crystalline solid with ≥95% purity (HPLC). Store in a cool, dry place under inert conditions to ensure stability. Ideal for researchers seeking to explore novel pyridine-based scaffolds.

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Description

2,3-Dibromo-5-chloropyridine (CAS No. 137628-17-2) is a high-purity halogenated pyridine derivative with the molecular formula C5H2Br2ClN. This compound is a versatile building block in organic synthesis, particularly in pharmaceutical and agrochemical research. Its unique structure, featuring bromine and chlorine substituents on the pyridine ring, enables selective functionalization for the development of complex heterocyclic compounds. Suitable for cross-coupling reactions, nucleophilic substitutions, and metal-catalyzed transformations, this reagent is supplied as a crystalline solid with ≥95% purity (HPLC). Store in a cool, dry place under inert conditions to ensure stability. Ideal for researchers seeking to explore novel pyridine-based scaffolds.

Properties

  • CAS Number: 137628-17-2
  • Complexity: 101
  • IUPAC Name: 2,3-dibromo-5-chloro-pyridine
  • InChI: InChI=1S/C5H2Br2ClN/c6-4-1-3(8)2-9-5(4)7/h1-2H
  • InChI Key: GDUFWKJMOOVEMX-UHFFFAOYSA-N
  • Exact Mass: 270.82220
  • Molecular Formula: C5H2Br2ClN
  • Molecular Weight: 271.34
  • SMILES: C1=C(C=NC(=C1Br)Br)Cl
  • Topological: 12.9
  • Monoisotopic Mass: 268.82425
  • Synonyms: 2,3-Dibromo-5-chloropyridine, 137628-17-2, DTXSID40451411, DTXCID30402230, 805-817-3, 5-CHLORO-2,3-DIBROMOPYRIDINE, Pyridine, 2,3-dibromo-5-chloro-, 2,3 DIBROMO-5-CHLORO PYRIDINE, MFCD08687254, 2,3-dibromo-5-chloro-pyridine, 2,3-Dibromo-5-dichloropyridine, SCHEMBL3361574, GDUFWKJMOOVEMX-UHFFFAOYSA-N, BBL101818, SBB054253, STL555615, AKOS007930302, AC-6263, CS-W003541, GS-5030, PB40468, SY019255, DB-027518, D4381, EN300-157894

Application

2,3-Dibromo-5-chloropyridine serves as a key intermediate in the synthesis of active pharmaceutical ingredients (APIs) and specialty chemicals. It is widely used in Suzuki-Miyaura and Stille cross-coupling reactions to introduce pyridine motifs into drug candidates. Researchers also employ it in the development of herbicides and fungicides due to its bioactive halogenated structure. Its reactivity makes it valuable for constructing ligands in catalysis and materials science.

Safety and Hazards

GHS Hazard Statements

  • H301 (20%): Toxic if swallowed [Danger Acute toxicity, oral]
  • H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H318 (20%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H319 (80%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (60%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P261, P264, P264+P265, P270, P271, P280, P301+P316, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

  • Acute Tox. 3 (20%)
  • Skin Irrit. 2 (100%)
  • Eye Dam. 1 (20%)
  • Eye Irrit. 2 (80%)
  • STOT SE 3 (60%)

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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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