Cas no 26740-71-6 (4,5-Dichloro-2-methylpyrimidine)

4,5-Dichloro-2-methylpyrimidine is a halogenated pyrimidine derivative widely used as a key intermediate in pharmaceutical and agrochemical synthesis. Its dichloro and methyl substituents enhance reactivity, making it valuable for nucleophilic substitution and cross-coupling reactions. The compound exhibits high purity and stability, ensuring consistent performance in complex organic transformations. Its structural features facilitate the introduction of diverse functional groups, enabling the synthesis of biologically active molecules. Suitable for applications in medicinal chemistry and material science, 4,5-Dichloro-2-methylpyrimidine offers versatility in constructing heterocyclic frameworks. Proper handling under controlled conditions is recommended due to its reactive nature.
4,5-Dichloro-2-methylpyrimidine structure
26740-71-6 structure
Product Name:4,5-Dichloro-2-methylpyrimidine
CAS No:26740-71-6
MF:C5H4Cl2N2
MW:163.004658699036
MDL:MFCD16987924
CID:1038545
Update Time:2025-11-02

4,5-Dichloro-2-methylpyrimidine Chemical and Physical Properties

Names and Identifiers

    • 4,5-Dichloro-2-methylpyrimidine
    • C5H4Cl2N2
    • 2-Methyl-4,5-dichlorpyrimidin
    • AK100544
    • 2419AB
    • FCH1135243
    • AX8241487
    • ST24023049
    • MDL: MFCD16987924
    • Inchi: 1S/C5H4Cl2N2/c1-3-8-2-4(6)5(7)9-3/h2H,1H3
    • InChI Key: BBOCHHGADKWQHT-UHFFFAOYSA-N
    • SMILES: ClC1C=NC(C)=NC=1Cl

Computed Properties

  • Exact Mass: 161.97500
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 9
  • Rotatable Bond Count: 0
  • Complexity: 99
  • Topological Polar Surface Area: 25.8

Experimental Properties

  • PSA: 25.78000
  • LogP: 2.09180

4,5-Dichloro-2-methylpyrimidine Security Information

4,5-Dichloro-2-methylpyrimidine Customs Data

  • HS CODE:2933599090
  • Customs Data:

    China Customs Code:

    2933599090

    Overview:

    2933599090. Other compounds with pyrimidine ring in structure(Including other compounds with piperazine ring on the 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:

    2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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4,5-Dichloro-2-methylpyrimidine Suppliers

Amadis Chemical Company Limited
Gold Member
Audited Supplier Audited Supplier
(CAS:26740-71-6)4,5-Dichloro-2-methylpyrimidine
Order Number:A877154
Stock Status:in Stock
Quantity:5g/10g
Purity:99%
Pricing Information Last Updated:Friday, 30 August 2024 09:52
Price ($):166.0/330.0

Additional information on 4,5-Dichloro-2-methylpyrimidine

4,5-Dichloro-2-methylpyrimidine (CAS No. 26740-71-6): Properties, Applications, and Market Insights

4,5-Dichloro-2-methylpyrimidine (CAS No. 26740-71-6) is a halogenated pyrimidine derivative that has gained significant attention in pharmaceutical and agrochemical research. This compound, with its unique chloro-methyl pyrimidine structure, serves as a versatile building block in organic synthesis. Researchers and manufacturers value this chemical for its reactivity and potential in creating more complex molecules.

The molecular formula of 4,5-dichloro-2-methylpyrimidine is C5H4Cl2N2, with a molecular weight of 163.00 g/mol. Its pyrimidine ring structure containing two chlorine atoms at positions 4 and 5, along with a methyl group at position 2, makes it particularly useful in nucleophilic substitution reactions. The compound typically appears as a white to off-white crystalline powder with good stability under standard conditions.

In pharmaceutical applications, 4,5-dichloro-2-methylpyrimidine CAS 26740-71-6 serves as a key intermediate in the synthesis of various drug candidates. Recent studies highlight its role in developing kinase inhibitors, which are crucial in cancer treatment research. The compound's ability to undergo selective functionalization makes it valuable for creating targeted therapies, aligning with current trends in personalized medicine.

The agrochemical industry utilizes dichloromethyl pyrimidine derivatives like this compound in developing novel pesticides and herbicides. With growing concerns about food security and sustainable agriculture, researchers are exploring how modifications of this core structure can lead to more effective and environmentally friendly crop protection solutions. The compound's halogen atoms provide excellent sites for further chemical modifications.

From a synthetic chemistry perspective, 4,5-dichloro-2-methylpyrimidine offers several advantages. Its reactivity allows for sequential substitution reactions, enabling the creation of diverse molecular architectures. This characteristic makes it particularly valuable in combinatorial chemistry and high-throughput screening approaches, which are essential in modern drug discovery pipelines.

The global market for pyrimidine derivatives including CAS 26740-71-6 has shown steady growth, driven by increasing R&D investments in pharmaceutical and agricultural sectors. Market analysts note particular demand from Asia-Pacific regions, where pharmaceutical innovation is rapidly expanding. Quality standards for this compound typically require high purity levels (≥98%), with strict control of impurities that might affect downstream applications.

Recent advancements in synthetic methodologies have improved the production efficiency of 4,5-dichloro-2-methylpyrimidine. Modern catalytic processes and flow chemistry techniques have reduced waste generation and improved yields, addressing the chemical industry's growing emphasis on green chemistry principles. These developments have made the compound more accessible to researchers while maintaining competitive pricing.

Storage and handling of 4,5-dichloro-2-methylpyrimidine 26740-71-6 require standard laboratory precautions. The compound should be kept in tightly sealed containers under inert atmosphere when long-term storage is needed. While not classified as highly hazardous, proper personal protective equipment including gloves and safety glasses is recommended when working with this chemical.

Analytical characterization of dichloro methyl pyrimidine compounds typically involves techniques such as HPLC, GC-MS, and NMR spectroscopy. These methods ensure batch-to-batch consistency and verify the absence of critical impurities. Many suppliers now provide comprehensive analytical certificates with each shipment, meeting the stringent requirements of pharmaceutical customers.

Future research directions for 4,5-dichloro-2-methylpyrimidine derivatives include exploration of their biological activities beyond current applications. Some studies suggest potential in antiviral drug development, particularly in light of recent global health challenges. The compound's structural features make it an interesting candidate for targeting viral polymerases and proteases.

Environmental considerations regarding halogenated pyrimidines have led to increased interest in their degradation pathways. Biodegradation studies and photolytic stability tests help assess the environmental impact of these compounds, ensuring compliance with evolving regulatory standards worldwide. Such data is increasingly required by end-users committed to sustainable chemistry practices.

For researchers sourcing 4,5-dichloro-2-methylpyrimidine CAS No. 26740-71-6, it's important to verify suppliers' credentials and quality control processes. Reputable manufacturers typically provide detailed technical data sheets, material safety information, and certificates of analysis. Many also offer custom synthesis services to produce derivatives or analogs based on specific research requirements.

The intellectual property landscape surrounding pyrimidine-based compounds continues to evolve, with numerous patents filed for novel derivatives and applications. While 4,5-dichloro-2-methylpyrimidine itself is commercially available, researchers should be aware of potential patent restrictions when developing new applications or derivatives for commercial purposes.

In academic settings, chloro-methyl pyrimidine chemistry offers excellent teaching opportunities for advanced organic synthesis courses. The compound's straightforward purification and characterization make it suitable for demonstrating important synthetic techniques and spectroscopic analysis methods to chemistry students.

As the chemical industry moves toward more sustainable practices, the development of greener synthetic routes to 4,5-dichloro-2-methylpyrimidine remains an active area of research. Recent publications have explored catalytic methods that reduce or eliminate the need for hazardous reagents while maintaining high yields and selectivity.

Quality control protocols for 4,5-dichloro-2-methylpyrimidine 26740-71-6 have become more rigorous in response to industry demands. Modern analytical techniques can detect impurities at parts-per-million levels, ensuring the compound meets the exacting standards required for pharmaceutical applications. This level of quality assurance has become a key differentiator among suppliers.

The versatility of 4,5-dichloro-2-methylpyrimidine as a synthetic building block continues to inspire new applications. From materials science to medicinal chemistry, researchers are finding innovative ways to incorporate this structure into functional molecules. Its balanced reactivity profile makes it particularly valuable for creating libraries of compounds in drug discovery programs.

Looking ahead, the demand for high-quality pyrimidine derivatives like 4,5-dichloro-2-methylpyrimidine is expected to grow in parallel with advancements in life sciences research. As our understanding of biological systems deepens, the need for precisely functionalized heterocyclic compounds will only increase, ensuring the ongoing relevance of this valuable chemical intermediate.

Recommended suppliers
Amadis Chemical Company Limited
(CAS:26740-71-6)4,5-Dichloro-2-methylpyrimidine
A877154
Purity:99%/99%
Quantity:5g/10g
Price ($):166.0/330.0
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