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Atomfair 3-Bromo-4-chloropyridine C5H3BrClN CAS 36953-42-1

3-Bromo-4-chloropyridine (CAS: 36953-42-1) is a high-purity halogenated pyridine derivative with the molecular formula C5H3BrClN. This versatile heterocyclic compound is widely used in pharmaceutical, agrochemical, and material science research due to its reactive bromo and chloro substituents, which enable efficient cross-coupling reactions such as Suzuki, Stille, and Buchwald-Hartwig couplings. Our product is rigorously tested for purity (>98% by HPLC) and consistency, ensuring optimal performance in synthetic applications. It is supplied in sealed amber vials under inert atmosphere to prevent degradation, making it ideal for sensitive reactions. Researchers and industrial chemists rely on 3-Bromo-4-chloropyridine as a key intermediate for constructing complex molecules,…

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Description

3-Bromo-4-chloropyridine (CAS: 36953-42-1) is a high-purity halogenated pyridine derivative with the molecular formula C5H3BrClN. This versatile heterocyclic compound is widely used in pharmaceutical, agrochemical, and material science research due to its reactive bromo and chloro substituents, which enable efficient cross-coupling reactions such as Suzuki, Stille, and Buchwald-Hartwig couplings. Our product is rigorously tested for purity (>98% by HPLC) and consistency, ensuring optimal performance in synthetic applications. It is supplied in sealed amber vials under inert atmosphere to prevent degradation, making it ideal for sensitive reactions. Researchers and industrial chemists rely on 3-Bromo-4-chloropyridine as a key intermediate for constructing complex molecules, including APIs and functional materials.

Properties

  • CAS Number: 36953-42-1
  • Complexity: 78.8
  • IUPAC Name: 3-bromo-4-chloro-pyridine
  • InChI: InChI=1S/C5H3BrClN/c6-4-3-8-2-1-5(4)7/h1-3H
  • InChI Key: QADXKWUCCGPQNR-UHFFFAOYSA-N
  • Exact Mass: 190.91374
  • Molecular Formula: C5H3BrClN
  • Molecular Weight: 192.44
  • SMILES: C1=CN=CC(=C1Cl)Br
  • Topological: 12.9
  • Monoisotopic Mass: 190.91374
  • Synonyms: 3-bromo-4-chloropyridine, 36953-42-1, DTXSID00958133, DTXCID501386050, 690-646-5, MFCD00234008, 1812569-18-8, PYRIDINE, 3-BROMO-4-CHLORO-, 4-CHLORO-3-BROMOPYRIDINE, SCHEMBL360577, SCHEMBL3432939, SCHEMBL5468074, SCHEMBL18938725, QADXKWUCCGPQNR-UHFFFAOYSA-N, BCP22104, CS-M3246, AC-160, BBL103348, SBB054249, STL557158, 3-Bromo-4-chloropyridine, AldrichCPR, AKOS005255034, AB05074, PS-4256, DB-022331, EN300-116572, Pyridine,3-bromo-4-chloro-,hydrochloride(1:1), AC-907/34115034, F0001-4074

3-Bromo-4-chloropyridine serves as a critical building block in medicinal chemistry for the synthesis of kinase inhibitors and other bioactive compounds. Its dual halogen functionality allows sequential functionalization, enabling the construction of diverse pyridine scaffolds. The compound is also employed in agrochemical research to develop novel pesticides and herbicides. Additionally, it finds use in materials science for creating ligands in catalytic systems or functionalized polymers. Strict handling under inert conditions is recommended due to its sensitivity to moisture and air.

Safety and Hazards

GHS Hazard Statements

  • H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H312 (66.7%): Harmful in contact with skin [Warning Acute toxicity, dermal]
  • H315 (66.7%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (66.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H332 (100%): Harmful if inhaled [Warning Acute toxicity, inhalation]
  • H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

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

Hazard Classes and Categories

  • Acute Tox. 4 (100%)
  • Acute Tox. 4 (66.7%)
  • Skin Irrit. 2 (66.7%)
  • Eye Irrit. 2 (66.7%)
  • Acute Tox. 4 (100%)
  • STOT SE 3 (100%)

If you are interested or have any questions, please contact us at support@atomfair.com

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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