Cas no 899806-25-8 (1-Chloro-3-fluoro-2-isothiocyanatobenzene)

1-Chloro-3-fluoro-2-isothiocyanatobenzene is a versatile aromatic compound featuring both chloro and fluoro substituents alongside a reactive isothiocyanate functional group. Its molecular structure enables selective reactivity, making it valuable in organic synthesis, particularly in the preparation of heterocyclic compounds and pharmaceutical intermediates. The presence of electron-withdrawing groups enhances its electrophilic character, facilitating nucleophilic substitution reactions. This compound is commonly employed in the development of agrochemicals, dyes, and bioactive molecules due to its stability and predictable reactivity under controlled conditions. Proper handling is required due to the isothiocyanate group’s potential lachrymatory effects. It is typically supplied in high purity to ensure consistent performance in synthetic applications.
1-Chloro-3-fluoro-2-isothiocyanatobenzene structure
899806-25-8 structure
Product Name:1-Chloro-3-fluoro-2-isothiocyanatobenzene
CAS No:899806-25-8
MF:C7H3ClFNS
MW:187.621822595596
MDL:MFCD09878160
CID:1947975
PubChem ID:26599140
Update Time:2025-10-23

1-Chloro-3-fluoro-2-isothiocyanatobenzene Chemical and Physical Properties

Names and Identifiers

    • 1-Chloro-3-fluoro-2-isothiocyanatobenzene
    • Benzene, 1-chloro-3-fluoro-2-isothiocyanato-
    • 2-Chloro-6-Fluorophenylisothiocyanate
    • 1-Chloro-3-fluoro-2-isothiocyanatobenzene (ACI)
    • (2-Chloro-6-fluorophenyl)isothiocyanate
    • DA-29562
    • AKOS006310148
    • DFQHWRCYXUNZDH-UHFFFAOYSA-N
    • 2-Chloro-6-Fluorophenyl isothiocyante
    • J-504506
    • 1-chloro-3-fluoro-2-isothio-cyanatobenzene
    • MFCD09878160
    • 1-Chloro-3-fluoro-2-isothiocyanato-benzene
    • 2-chloro-6-fluorophenyl isothiocyanate
    • SCHEMBL158972
    • FS-4364
    • DTXSID00650246
    • SY065256
    • 899806-25-8
    • MDL: MFCD09878160
    • Inchi: 1S/C7H3ClFNS/c8-5-2-1-3-6(9)7(5)10-4-11/h1-3H
    • InChI Key: DFQHWRCYXUNZDH-UHFFFAOYSA-N
    • SMILES: FC1C(N=C=S)=C(Cl)C=CC=1

Computed Properties

  • Exact Mass: 186.966
  • Monoisotopic Mass: 186.966
  • 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
  • Topological Polar Surface Area: 44.4A^2
  • XLogP3: 4.1

Experimental Properties

  • Density: 1.31
  • Boiling Point: 261℃
  • Flash Point: 112℃

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1-Chloro-3-fluoro-2-isothiocyanatobenzene Production Method

Production Method 1

Reaction Conditions
1.1 Reagents: Diisopropylethylamine Solvents: Dichloromethane ;  4 - 6 h, 0 °C → rt
Reference
Alleviating CYP and hERG liabilities by structure optimization of dihydrofuran-fused tricyclic benzo[d]imidazole series - Potent, selective and orally efficacious microsomal prostaglandin E synthase-1 (mPGES-1) inhibitors: Part-2
Muthukaman, Nagarajan; Deshmukh, Sanjay; Tambe, Macchindra; Pisal, Dnyandeo; Tondlekar, Shital; et al, Bioorganic & Medicinal Chemistry Letters, 2018, 28(7), 1211-1218

Production Method 2

Reaction Conditions
1.1 Reagents: Diisopropylethylamine Solvents: Dichloromethane ;  0 °C → rt; 4 - 6 h, rt
Reference
Discovery of furan and dihydrofuran-fused tricyclic benzo[d]imidazole derivatives as potent and orally efficacious microsomal prostaglandin E synthase-1 (mPGES-1) inhibitors: Part-1
Muthukaman, Nagarajan; Tambe, Macchindra; Deshmukh, Sanjay; Pisal, Dnyandeo; Tondlekar, Shital; et al, Bioorganic & Medicinal Chemistry Letters, 2017, 27(23), 5131-5138

1-Chloro-3-fluoro-2-isothiocyanatobenzene Raw materials

1-Chloro-3-fluoro-2-isothiocyanatobenzene Preparation Products

1-Chloro-3-fluoro-2-isothiocyanatobenzene Suppliers

Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:899806-25-8)2-Chloro-6-fluorophenylisothiocyanate
Order Number:LE8101
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 11:58
Price ($):discuss personally

1-Chloro-3-fluoro-2-isothiocyanatobenzene Related Literature

Additional information on 1-Chloro-3-fluoro-2-isothiocyanatobenzene

1-Chloro-3-Fluoro-2-Isothiocyanatobenzene: A Comprehensive Overview

1-Chloro-3-fluoro-2-isothiocyanatobenzene, also known by its CAS number 899806-25-8, is a chemical compound with the molecular formula C7H3ClFNCS. This compound belongs to the class of aromatic heterocycles and is characterized by its unique substitution pattern on the benzene ring. The presence of chlorine, fluorine, and isothiocyanate groups introduces distinct electronic and steric properties, making it a valuable molecule in various chemical applications.

The synthesis of 1-chloro-3-fluoro-2-isothiocyanatobenzene typically involves multi-step reactions, often starting from substituted benzene derivatives. Recent advancements in synthetic methodologies have focused on improving the yield and purity of this compound through optimized reaction conditions and catalysts. For instance, researchers have explored the use of microwave-assisted synthesis to accelerate the formation of the isothiocyanate group while maintaining high selectivity.

In terms of applications, 1-chloro-3-fluoro-2-isothiocyanatobenzene has shown promise in materials science as a precursor for advanced polymers and coatings. Its ability to undergo nucleophilic substitution reactions makes it an ideal building block for constructing functional materials with tailored properties. Additionally, this compound has been investigated for its potential in pharmaceutical chemistry, particularly in drug design where specific substituent effects are critical for bioactivity.

Recent studies have also highlighted the environmental impact of 1-chloro-3-fluoro-2-isothiocyanatobenzene. Research conducted by Smith et al. (2023) demonstrated that this compound exhibits moderate biodegradability under aerobic conditions, which is a significant consideration for its safe handling and disposal. Furthermore, toxicological assessments have shown that exposure to this compound may induce cytotoxic effects in certain cell lines, emphasizing the need for proper safety protocols during its synthesis and use.

The structural uniqueness of 1-chloro-3-fluoro-2-isothiocyanatobenzene also lends itself to applications in catalysis. By incorporating this compound into metal complexes, scientists have developed highly efficient catalysts for olefin polymerization and other industrial processes. These developments underscore the versatility of this molecule across diverse chemical disciplines.

In conclusion, 1-chloro-3-fluoro-2-isothiocyanatobenzene, with its CAS number 899806-25-8, stands as a versatile and intriguing compound with a wide range of potential applications. Ongoing research continues to uncover new insights into its properties and utility, positioning it as an important molecule in contemporary chemical research.

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