Cas no 68034-69-5 (4-chloro-2-fluoro-1-isothiocyanatobenzene)

4-Chloro-2-fluoro-1-isothiocyanatobenzene is a halogenated aromatic compound featuring both chloro and fluoro substituents, along with a reactive isothiocyanate functional group. This structure makes it a valuable intermediate in organic synthesis, particularly for the preparation of thiourea derivatives and heterocyclic compounds. The presence of electron-withdrawing groups enhances its reactivity in nucleophilic substitution reactions, while the isothiocyanate moiety allows for efficient conjugation with amines or other nucleophiles. Its stability under standard conditions and high purity make it suitable for pharmaceutical and agrochemical research. The compound’s well-defined reactivity profile ensures consistent performance in complex synthetic pathways.
4-chloro-2-fluoro-1-isothiocyanatobenzene structure
68034-69-5 structure
Product Name:4-chloro-2-fluoro-1-isothiocyanatobenzene
CAS No:68034-69-5
MF:C7H3ClFNS
MW:187.621822595596
MDL:MFCD03093793
CID:1723784
PubChem ID:2757584
Update Time:2025-06-29

4-chloro-2-fluoro-1-isothiocyanatobenzene Chemical and Physical Properties

Names and Identifiers

    • 4-chloro-2-fluoro-1-isothiocyanatobenzene
    • Benzene, 4-chloro-2-fluoro-1-isothiocyanato-
    • 4-chloro-2-fluorophenyl isothiocyanate
    • 2-fluoro-4-chlorophenyl isothiocyanate
    • AC1MBW7D
    • 4-chloro-2-fluoro-phenyl isothiocyanate
    • AKOS011479732
    • 4-chloro-2-fluorophenylisothiocyanate
    • ZINC02506727
    • CTK1H6385
    • Benzene, 4-chloro-2-fluoro-1-isothiocyanato-; 4-chloro-2-fluorophenyl isothiocyanate; 2-fluoro-4-chlorophenyl isothiocyanate; AC1MBW7D; 4-Chloro-2-fluorophenyl isothiocyanate; 4-chloro-2-fluoro-phenyl isothiocyanate; AKOS011479732; 4-chloro-2-fluorophenylisothiocyanate; ZINC02506727; CTK1H6385;
    • 68034-69-5
    • SY076825
    • SCHEMBL6596126
    • YIIRTODHWQCPPW-UHFFFAOYSA-N
    • DTXSID30373956
    • MFCD03093793
    • MDL: MFCD03093793
    • Inchi: 1S/C7H3ClFNS/c8-5-1-2-7(10-4-11)6(9)3-5/h1-3H
    • InChI Key: YIIRTODHWQCPPW-UHFFFAOYSA-N
    • SMILES: ClC1C=CC(=C(C=1)F)N=C=S

Computed Properties

  • Exact Mass: 186.9658761g/mol
  • Monoisotopic Mass: 186.9658761g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 1
  • Heavy Atom Count: 11
  • Rotatable Bond Count: 1
  • Complexity: 181
  • 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
  • XLogP3: 4.1
  • Topological Polar Surface Area: 44.4?2

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Additional information on 4-chloro-2-fluoro-1-isothiocyanatobenzene

4-Chloro-2-Fluoro-1-Isothiocyanatobenzene: A Comprehensive Overview

The compound with CAS No. 68034-69-5, commonly referred to as 4-chloro-2-fluoro-1-isothiocyanatobenzene, is a significant molecule in the field of organic chemistry. This compound belongs to the class of isothiocyanates, which are widely studied for their unique chemical properties and potential applications in various industries. The molecule's structure consists of a benzene ring substituted with a chlorine atom at the 4-position, a fluorine atom at the 2-position, and an isothiocyanate group (-NCS) at the 1-position. This substitution pattern imparts distinctive electronic and steric properties to the molecule, making it a valuable subject for research and development.

Isothiocyanates are known for their reactivity and versatility in chemical reactions. The presence of the isothiocyanate group in 4-chloro-2-fluoro-1-isothiocyanatobenzene enables it to participate in various nucleophilic substitutions and additions, which are fundamental to many organic synthesis pathways. Recent studies have highlighted its potential as an intermediate in the synthesis of bioactive compounds, particularly in the pharmaceutical and agrochemical sectors.

One of the most intriguing aspects of 4-chloro-2-fluoro-1-isothiocyanatobenzene is its role in medicinal chemistry. Researchers have explored its ability to act as a building block for designing novel drugs targeting specific biological pathways. For instance, its substitution pattern allows for precise control over molecular interactions, which is crucial for drug design. Additionally, the compound has shown promise in antifungal and insecticidal activities, making it a candidate for developing new agrochemicals.

From a synthetic perspective, 4-chloro-2-fluoro-1-isothiocyanatobenzene can be synthesized through various routes, including nucleophilic aromatic substitution and coupling reactions. Recent advancements in catalytic methods have improved the efficiency and selectivity of these reactions, enabling large-scale production of this compound with high purity.

In terms of physical properties, 4-chloro-2-fluoro-1-isothiocyanatobenzene exhibits a melting point of approximately 85°C and a boiling point around 180°C under standard conditions. Its solubility in common organic solvents such as dichloromethane and ethyl acetate makes it suitable for various laboratory applications.

Recent research has also focused on the environmental impact of isothiocyanates like 4-chloro-2-fluoro-1-isothiocyanatobenzene. Studies indicate that these compounds can undergo rapid degradation under certain environmental conditions, reducing their persistence in ecosystems. This finding is particularly important for assessing their safety and sustainability in industrial applications.

In conclusion, 4-chloro-2-fluoro-1-isothiocyanatobenzene stands out as a versatile and valuable compound with diverse applications across multiple disciplines. Its unique chemical properties, combined with recent advancements in synthesis and application techniques, position it as a key player in future innovations within organic chemistry.

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