Cas no 851484-95-2 (2-Chloro-5-Fluoropyridine-3-carbaldehyde)

2-Chloro-5-Fluoropyridine-3-carbaldehyde is a versatile heterocyclic building block used in pharmaceutical and agrochemical synthesis. Its key structural features—a chloro and fluoro substituent on the pyridine ring, along with an aldehyde functional group—make it a valuable intermediate for constructing complex molecules. The electron-withdrawing effects of the halogen atoms enhance reactivity in nucleophilic substitution and cross-coupling reactions, while the aldehyde group facilitates further derivatization. This compound is particularly useful in medicinal chemistry for developing bioactive compounds due to its ability to introduce both halogen and formyl moieties in a single step. High purity and stability under standard conditions ensure consistent performance in synthetic applications.
2-Chloro-5-Fluoropyridine-3-carbaldehyde structure
851484-95-2 structure
Product Name:2-Chloro-5-Fluoropyridine-3-carbaldehyde
CAS No:851484-95-2
MF:C6H3ClFNO
MW:159.545523881912
MDL:MFCD03095247
CID:706877
PubChem ID:329771461
Update Time:2025-06-11

2-Chloro-5-Fluoropyridine-3-carbaldehyde Chemical and Physical Properties

Names and Identifiers

    • 2-Chloro-5-fluoropyridine-3-carbaldehyde
    • 2-Chloro-5-fluoronicotinaldehyde
    • 2-CHLORO-5-FLUORO-3-FORMYLPYRIDINE
    • 2-chloro-5-fluoro-3-Pyridinecarboxaldehyde
    • 2-Chloro-5-fluoro-pyridine-3-carbaldehyde
    • 3-Pyridinecarboxaldehyde,2-chloro-5-fluoro-
    • 2-chloro-5-fluoro-3-pyridinecarbaldehyde
    • 2-chloro-5-fluoropyridine-3-carboxaldehyde
    • 3-PYRIDINECARBOXALDEHYDE, 2-CHLORO-5-FLUORO-
    • PubChem17053
    • IMQFWCDQEAIYJV-UHFFFAOYSA-N
    • STL555650
    • FCH846924
    • BBL101853
    • V
    • 2-Chloro-5-fluoro-3-pyridinecarboxaldehyde (ACI)
    • AKOS006275786
    • 2-Chloro-5-fluoro-pyridine-3-carbaldehyde, AldrichCPR
    • AC-33403
    • DB-024972
    • SCHEMBL2119952
    • 851484-95-2
    • AS-42550
    • J-508829
    • EN300-1719649
    • MFCD03095247
    • AB13605
    • CS-0043904
    • SY097456
    • DTXSID70640093
    • 2-Chloro-5-Fluoropyridine-3-carbaldehyde
    • MDL: MFCD03095247
    • Inchi: 1S/C6H3ClFNO/c7-6-4(3-10)1-5(8)2-9-6/h1-3H
    • InChI Key: IMQFWCDQEAIYJV-UHFFFAOYSA-N
    • SMILES: O=CC1C(Cl)=NC=C(F)C=1

Computed Properties

  • Exact Mass: 158.98900
  • Monoisotopic Mass: 158.989
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 10
  • Rotatable Bond Count: 1
  • Complexity: 133
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 30
  • XLogP3: 1.4

Experimental Properties

  • Density: 1.444
  • Boiling Point: 224.378°C at 760 mmHg
  • Flash Point: 89.501°C
  • Refractive Index: 1.565
  • PSA: 29.96000
  • LogP: 1.68660

2-Chloro-5-Fluoropyridine-3-carbaldehyde Security Information

  • Hazardous Material transportation number:NONH for all modes of transport
  • HazardClass:IRRITANT

2-Chloro-5-Fluoropyridine-3-carbaldehyde Customs Data

  • HS CODE:2933399090
  • Customs Data:

    China Customs Code:

    2933399090

    Overview:

    2933399090. Other compounds with non fused pyridine rings in structure. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to, Please indicate the appearance of Urotropine, 6- caprolactam please indicate the appearance, Signing date

    Summary:

    2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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Additional information on 2-Chloro-5-Fluoropyridine-3-carbaldehyde

Comprehensive Overview of 2-Chloro-5-Fluoropyridine-3-carbaldehyde (CAS No. 851484-95-2)

2-Chloro-5-Fluoropyridine-3-carbaldehyde (CAS No. 851484-95-2) is a highly versatile heterocyclic aldehyde that has garnered significant attention in pharmaceutical and agrochemical research. This compound, characterized by its pyridine backbone with chloro and fluoro substituents, serves as a critical intermediate in the synthesis of various bioactive molecules. Its unique structural features, including the electron-withdrawing effects of the halogen atoms, make it a valuable building block for drug discovery and material science applications.

In recent years, the demand for fluorinated pyridine derivatives like 2-Chloro-5-Fluoropyridine-3-carbaldehyde has surged due to their role in developing targeted therapies and precision agriculture solutions. Researchers are particularly interested in its potential to enhance molecular stability and bioavailability in drug formulations. The compound’s aldehyde functional group also allows for further derivatization, enabling the creation of customized chemical libraries for high-throughput screening.

The synthesis of 2-Chloro-5-Fluoropyridine-3-carbaldehyde typically involves multistep organic reactions, including halogenation and oxidation processes. Advanced techniques such as microwave-assisted synthesis and catalyzed cross-coupling have been explored to improve yield and purity. These innovations align with the growing focus on green chemistry and sustainable manufacturing, addressing concerns about environmental impact and resource efficiency.

From an industrial perspective, 2-Chloro-5-Fluoropyridine-3-carbaldehyde is often utilized in the production of crop protection agents and veterinary pharmaceuticals. Its ability to act as a synthon for nitrogen-containing heterocycles makes it indispensable in designing compounds with improved pest resistance and disease control properties. This aligns with global trends toward sustainable agriculture and food security, as farmers seek safer and more effective solutions.

In the realm of medicinal chemistry, 2-Chloro-5-Fluoropyridine-3-carbaldehyde has been investigated for its role in kinase inhibitor development, particularly in oncology research. The compound’s structural modularity allows for the creation of analogs that target specific enzyme pathways, a key focus area in personalized medicine. This has led to collaborations between academic institutions and pharmaceutical companies to explore its potential in next-generation therapeutics.

Analytical characterization of 2-Chloro-5-Fluoropyridine-3-carbaldehyde relies on techniques such as NMR spectroscopy, HPLC, and mass spectrometry, ensuring compliance with stringent quality control standards. The compound’s physicochemical properties, including solubility and thermal stability, are well-documented, facilitating its integration into industrial-scale processes. These details are critical for researchers and manufacturers aiming to optimize process efficiency and product consistency.

As the scientific community continues to explore fluorinated building blocks, 2-Chloro-5-Fluoropyridine-3-carbaldehyde remains a focal point due to its synergistic halogen effects and reactivity profile. Future applications may expand into electronic materials and catalysis, driven by the demand for innovative solutions in renewable energy and smart materials. Its adaptability underscores its importance in both current and emerging fields of chemical research.

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