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Atomfair 3-Chlorothiophene C4H3ClS CAS 17249-80-8

3-Chlorothiophene (CAS No. 17249-80-8) is a high-purity organosulfur compound with the molecular formula C4H3ClS . This heterocyclic aromatic compound is a versatile building block in organic synthesis, particularly in pharmaceuticals, agrochemicals, and material science applications. With a purity of ≥98% , our product is rigorously tested via GC, NMR, and HPLC to ensure consistency for research and industrial use. It is supplied as a clear to pale-yellow liquid with a characteristic thiophene odor, stored under inert conditions to maintain stability. Ideal for Suzuki coupling, polymerization, and as a precursor for conductive polymers or ligand synthesis. Available in various packaging options…

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Description

3-Chlorothiophene (CAS No. 17249-80-8) is a high-purity organosulfur compound with the molecular formula C4H3ClS. This heterocyclic aromatic compound is a versatile building block in organic synthesis, particularly in pharmaceuticals, agrochemicals, and material science applications. With a purity of ≥98%, our product is rigorously tested via GC, NMR, and HPLC to ensure consistency for research and industrial use. It is supplied as a clear to pale-yellow liquid with a characteristic thiophene odor, stored under inert conditions to maintain stability. Ideal for Suzuki coupling, polymerization, and as a precursor for conductive polymers or ligand synthesis. Available in various packaging options with customizable bulk quantities.

Properties

  • CAS Number: 17249-80-8
  • Complexity: 46.8
  • IUPAC Name: 3-chlorothiophene
  • InChI: InChI=1S/C4H3ClS/c5-4-1-2-6-3-4/h1-3H
  • InChI Key: QUBJDMPBDURTJT-UHFFFAOYSA-N
  • Exact Mass: 117.9643990
  • Molecular Formula: C4H3ClS
  • Molecular Weight: 118.59
  • SMILES: C1=CSC=C1Cl
  • Topological: 28.2
  • Monoisotopic Mass: 117.9643990
  • Synonyms: 3-Chlorothiophene, 605-636-8, 17249-80-8, Thiophene, 3-chloro-, 3-Thienyl Chloride, MFCD00043887, 3-chloro-thiophene, 3-chloranylthiophene, 3-Chlorothiophene, 98%, SCHEMBL4123, SCHEMBL4205, SCHEMBL153082, SCHEMBL268092, SCHEMBL349986, DTXSID20169325, STR01650, AKOS006220722, AC-4914, CS-W013592, PS-3135, SB66831, DB-000896, C1192, NS00124815, EN300-100252, A811420, InChI=1/C4H3ClS/c5-4-1-2-6-3-4/h1-3

3-Chlorothiophene is widely used as a key intermediate in the synthesis of pharmaceuticals, including antipsychotic and antiviral agents. It serves as a monomer for conductive polymers like PEDOT, crucial in organic electronics and solar cells. Researchers also employ it in agrochemical development and as a ligand precursor in catalytic systems.

Safety and Hazards

GHS Hazard Statements

  • H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]
  • H302 (97.8%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H312 (13%): Harmful in contact with skin [Warning Acute toxicity, dermal]
  • H315 (87%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H318 (84.8%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H332 (13%): Harmful if inhaled [Warning Acute toxicity, inhalation]
  • H335 (84.8%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P354+P338, P317, P319, P321, P330, P332+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501

Hazard Classes and Categories

  • Flam. Liq. 3 (100%)
  • Acute Tox. 4 (97.8%)
  • Acute Tox. 4 (13%)
  • Skin Irrit. 2 (87%)
  • Eye Dam. 1 (84.8%)
  • Acute Tox. 4 (13%)
  • STOT SE 3 (84.8%)

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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