Cas no 20443-38-3 (5-Chloro-2-chloromethyl-1H-benzoimidazole)

5-Chloro-2-chloromethyl-1H-benzoimidazole is a versatile benzoimidazole derivative with a reactive chloromethyl group at the 2-position, making it a valuable intermediate in organic synthesis. Its dual functionality allows for further derivatization, enabling the construction of complex heterocyclic compounds. The chloro substituents enhance electrophilicity, facilitating nucleophilic substitution reactions, which are useful in pharmaceutical and agrochemical applications. This compound exhibits stability under standard conditions, ensuring consistent performance in synthetic workflows. Its structural framework is particularly relevant in the development of bioactive molecules, including potential enzyme inhibitors and antimicrobial agents. Proper handling is advised due to its reactive nature.
5-Chloro-2-chloromethyl-1H-benzoimidazole structure
20443-38-3 structure
Product Name:5-Chloro-2-chloromethyl-1H-benzoimidazole
CAS No:20443-38-3
MF:C8H6Cl2N2
MW:201.052639484406
MDL:MFCD00060503
CID:51551
PubChem ID:271286
Update Time:2025-05-26

5-Chloro-2-chloromethyl-1H-benzoimidazole Chemical and Physical Properties

Names and Identifiers

    • 5-Chloro-2-(chloromethyl)-1H-benzo[d]imidazole
    • 5-Chloro-2-(chloromethyl)-1H-benzimidazole
    • 5-Chloro-2-chloromethyl-1H-benzoimidazole
    • 6-chloro-2-(chloromethyl)-1H-Benzimidazole
    • 5-Chlor-2-chlormethyl-1(3)H-benzimidazol
    • 5-chloro-2-(chloromethyl)-1H-1,3-benzodiazole
    • 5-chloro-2-chloromethyl-1(3)H-benzoimidazole
    • 5-chloro-2-chloromethylbenzimidazole
    • NSC-114752
    • AB02394
    • AS-8223
    • DTXSID60297217
    • 20443-38-3
    • D81730
    • SR-01000052939-1
    • 1H-Benzimidazole, 6-chloro-2-(chloromethyl)-
    • NSC114752
    • A879617
    • A814663
    • L-5,5-DIMETHYLTHIAZOLIDINE-4-CARBOXYLICACID
    • SR-01000052939
    • SCHEMBL485294
    • EN300-08873
    • 5-Chloro-2-(chloromethyl)-1H-benzimidazole #
    • 6-Chloro-2-(chloromethyl)-1H-benzo[d]imidazole
    • 6-chloro-2-chloromethylbenzimidazole
    • MFCD00060503
    • 6-chloranyl-2-(chloromethyl)-1H-benzimidazole
    • AKOS000302008
    • FT-0677814
    • ALBB-027325
    • 1H-Benzimidazole, 5-chloro-2-(chloromethyl)-
    • DB-014565
    • MDL: MFCD00060503
    • Inchi: 1S/C8H6Cl2N2/c9-4-8-11-6-2-1-5(10)3-7(6)12-8/h1-3H,4H2,(H,11,12)
    • InChI Key: CJNALUZDTPETCS-UHFFFAOYSA-N
    • SMILES: ClCC1=NC2C=CC(=CC=2N1)Cl

Computed Properties

  • Exact Mass: 199.99100
  • Monoisotopic Mass: 199.991
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 12
  • Rotatable Bond Count: 1
  • Complexity: 165
  • 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
  • Surface Charge: 0
  • Tautomer Count: 2
  • XLogP3: nothing
  • Topological Polar Surface Area: 28.7A^2

Experimental Properties

  • Density: 1.492
  • Boiling Point: 404.6 °C at 760 mmHg
  • Flash Point: 230.9 °C
  • Refractive Index: 1.686
  • PSA: 28.68000
  • LogP: 2.95510

5-Chloro-2-chloromethyl-1H-benzoimidazole Security Information

  • HazardClass:IRRITANT

5-Chloro-2-chloromethyl-1H-benzoimidazole Customs Data

  • HS CODE:2933990090
  • Customs Data:

    China Customs Code:

    2933990090

    Overview:

    2933990090. Other heterocyclic compounds containing only nitrogen heteroatoms. 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:

    2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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Additional information on 5-Chloro-2-chloromethyl-1H-benzoimidazole

Professional Introduction to 5-Chloro-2-chloromethyl-1H-benzoimidazole (CAS No. 20443-38-3)

5-Chloro-2-chloromethyl-1H-benzoimidazole (CAS No. 20443-38-3) is a versatile heterocyclic compound that has garnered significant attention in the field of pharmaceutical and chemical research due to its unique structural properties and potential biological activities. This compound, featuring a benzoimidazole core with chloro and chloromethyl substituents, presents an intriguing scaffold for the development of novel therapeutic agents.

The benzoimidazole moiety is a well-documented pharmacophore in medicinal chemistry, known for its role in various bioactive molecules. The presence of chlorine atoms at the 5-position and 2-position enhances the electrophilicity of the molecule, making it a valuable intermediate for further functionalization. Specifically, the chloromethyl group at the 2-position offers a reactive site for nucleophilic substitution reactions, enabling the synthesis of more complex derivatives.

In recent years, 5-Chloro-2-chloromethyl-1H-benzoimidazole has been explored in several research studies for its potential applications in drug discovery. One notable area of interest is its role as a precursor in the synthesis of antiviral and anticancer agents. The benzoimidazole scaffold is structurally similar to several known bioactive compounds, suggesting that derivatives of this molecule may exhibit comparable pharmacological effects.

A particularly compelling aspect of this compound is its reactivity with nucleophiles, which allows for the introduction of diverse functional groups. This flexibility has been leveraged in the development of 5-Chloro-2-chloromethyl-1H-benzoimidazole based inhibitors targeting specific enzymatic pathways involved in diseases such as cancer and inflammation. For instance, researchers have utilized this compound to generate inhibitors of kinases and other enzymes implicated in tumor growth and progression.

Recent advancements in synthetic methodologies have further enhanced the utility of 5-Chloro-2-chloromethyl-1H-benzoimidazole as a building block. Techniques such as palladium-catalyzed cross-coupling reactions have enabled the efficient introduction of aryl or heteroaryl groups at various positions on the benzoimidazole ring. This has opened up new avenues for creating structurally diverse derivatives with tailored biological properties.

The chloro substituents on the benzoimidazole ring also contribute to the compound's reactivity, allowing for further modifications through halogen-metal exchange or metal-halogen exchange reactions. These transformations have been instrumental in generating novel analogs with enhanced solubility or improved metabolic stability, critical factors for drug development.

In addition to its applications in pharmaceutical research, 5-Chloro-2-chloromethyl-1H-benzoimidazole has shown promise in materials science. Its ability to undergo polymerization or copolymerization with other monomers has led to the development of novel polymeric materials with unique properties. These materials have potential applications in coatings, adhesives, and even biodegradable polymers.

The synthesis of 5-Chloro-2-chloromethyl-1H-benzoimidazole itself is a testament to modern organic chemistry techniques. While traditional methods involving chlorination and methylation reactions are still prevalent, newer approaches employing flow chemistry or microwave-assisted synthesis have improved yields and reduced reaction times. These innovations not only make the production of this compound more efficient but also more environmentally friendly.

As research continues to uncover new applications for 5-Chloro-2-chloromethyl-1H-benzoimidazole, its importance in both academic and industrial settings is likely to grow. The compound's versatility as a synthetic intermediate and its potential biological activity make it a cornerstone of modern drug discovery efforts. Furthermore, its role in developing advanced materials underscores its broader impact on science and technology.

In conclusion, 5-Chloro-2-chloromethyl-1H-benzoimidazole (CAS No. 20443-38-3) represents a fascinating compound with far-reaching implications across multiple scientific disciplines. Its unique structural features and reactivity profile continue to inspire new research directions and applications, solidifying its position as a key player in contemporary chemical innovation.

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