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Atomfair 3-Chlorothiophene-2-carbaldehyde C5H3ClOS CAS 67482-48-8

3-Chlorothiophene-2-carbaldehyde (CAS No. 67482-48-8) is a high-purity heterocyclic aldehyde widely used in organic synthesis and pharmaceutical research. This compound, with the molecular formula C5H3ClOS , features a reactive aldehyde group adjacent to a chlorinated thiophene ring, making it a versatile building block for the development of complex molecules. Its well-defined structure (IUPAC name: 3-chlorothiophene-2-carbaldehyde ) ensures consistent performance in cross-coupling reactions, nucleophilic substitutions, and as a precursor for agrochemicals, pharmaceuticals, and functional materials. Packaged under strict quality control, this product is ideal for researchers requiring reliable and high-quality intermediates for synthetic applications.

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Description

3-Chlorothiophene-2-carbaldehyde (CAS No. 67482-48-8) is a high-purity heterocyclic aldehyde widely used in organic synthesis and pharmaceutical research. This compound, with the molecular formula C5H3ClOS, features a reactive aldehyde group adjacent to a chlorinated thiophene ring, making it a versatile building block for the development of complex molecules. Its well-defined structure (IUPAC name: 3-chlorothiophene-2-carbaldehyde) ensures consistent performance in cross-coupling reactions, nucleophilic substitutions, and as a precursor for agrochemicals, pharmaceuticals, and functional materials. Packaged under strict quality control, this product is ideal for researchers requiring reliable and high-quality intermediates for synthetic applications.

Properties

  • CAS Number: 67482-48-8
  • Complexity: 96.4
  • IUPAC Name: 3-chlorothiophene-2-carbaldehyde
  • InChI: InChI=1S/C5H3ClOS/c6-4-1-2-8-5(4)3-7/h1-3H
  • InChI Key: PJOJWMNHMJFFCR-UHFFFAOYSA-N
  • Exact Mass: 145.9593136
  • Molecular Formula: C5H3ClOS
  • Molecular Weight: 146.60
  • SMILES: C1=CSC(=C1Cl)C=O
  • Topological: 45.3
  • Monoisotopic Mass: 145.9593136
  • Synonyms: 3-chlorothiophene-2-carbaldehyde, 67482-48-8, DTXSID40370971, DTXCID30322005, 872-603-4, 3-Chlorothiophene-2-carboxaldehyde, 3-CHLORO-2-THIOPHENECARBOXALDEHYDE, MFCD01764973, 2-Thiophenecarboxaldehyde, 3-chloro-, 2-formyl-3-chlorothiophene, chlorothiophen-2-carbaldehyde, SCHEMBL1421971, SCHEMBL2961087, 3-chloro-thiophene-2-carbaldehyde, PJOJWMNHMJFFCR-UHFFFAOYSA-N, SBB066611, AKOS006229103, AS-0180, PB32269, AC-22321, SY064650, DB-024732, CS-0054646, EN300-187578, Z1198158625

Application

3-Chlorothiophene-2-carbaldehyde serves as a key intermediate in the synthesis of thiophene-based pharmaceuticals, agrochemicals, and organic electronic materials. Its reactive aldehyde group enables facile derivatization for constructing heterocyclic scaffolds in medicinal chemistry. Researchers also utilize it in palladium-catalyzed cross-coupling reactions to develop novel conjugated polymers for optoelectronic applications. The compound’s chlorothiophene core is valuable in designing corrosion inhibitors and ligands for catalytic systems.

Safety and Hazards

GHS Hazard Statements

  • H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H312 (100%): Harmful in contact with skin [Warning Acute toxicity, dermal]
  • H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (100%): 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 (100%)
  • Skin Irrit. 2 (100%)
  • Eye Irrit. 2A (100%)
  • Acute Tox. 4 (100%)
  • STOT SE 3 (100%)

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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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