Cas no 143798-73-6 (4-Chloro-3,5-dimethylpyridine)

4-Chloro-3,5-dimethylpyridine is a heterocyclic organic compound with the molecular formula C7H8ClN. This pyridine derivative features chloro and methyl substituents at the 4, 3, and 5 positions, imparting unique reactivity and steric properties. It serves as a versatile intermediate in pharmaceutical and agrochemical synthesis, particularly in the development of active ingredients and fine chemicals. The electron-withdrawing chloro group enhances its electrophilic character, while the methyl groups contribute to stability and influence regioselectivity in further functionalization. Its high purity and well-defined structure make it valuable for precise synthetic applications, including cross-coupling reactions and nucleophilic substitutions. The compound is typically supplied as a crystalline solid with consistent quality for research and industrial use.
4-Chloro-3,5-dimethylpyridine structure
4-Chloro-3,5-dimethylpyridine structure
Product Name:4-Chloro-3,5-dimethylpyridine
CAS No:143798-73-6
MF:C7H8ClN
MW:141.598120689392
MDL:MFCD09264043
CID:108508
PubChem ID:10997126
Update Time:2025-07-02

4-Chloro-3,5-dimethylpyridine Chemical and Physical Properties

Names and Identifiers

    • 4-Chloro-3,5-dimethylpyridine
    • Pyridine, 4-chloro-3,5-dimethyl- (9CI)
    • Pyridine,4-chloro-3,5-dimethyl-
    • 4-Chloro-3,5-Dimethyl-Pyridine
    • Pyridine,4-chloro-3,5-diMethyl
    • AKOS006330694
    • AB6822
    • CS-0169608
    • AS-44801
    • A808111
    • SB33634
    • AB50483
    • AC-28217
    • 4-chloro-3,5-lutidine
    • SCHEMBL1938616
    • DTXSID70932107
    • PYRIDINE, 4-CHLORO-3,5-DIMETHYL-
    • KQZPYCAYJQTSMV-UHFFFAOYSA-N
    • 143798-73-6
    • FT-0729837
    • J-524106
    • EN300-735856
    • MFCD09264043
    • DB-094798
    • DB-065880
    • MDL： MFCD09264043
    • Inchi： 1S/C7H8ClN/c1-5-3-9-4-6(2)7(5)8/h3-4H,1-2H3
    • InChI Key： KQZPYCAYJQTSMV-UHFFFAOYSA-N
    • SMILES： ClC1C(=CN=CC=1C)C

Computed Properties

  • Exact Mass: 141.03500
  • Monoisotopic Mass: 141.0345270g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 1
  • Heavy Atom Count: 9
  • Rotatable Bond Count: 0
  • Complexity: 84.9
  • 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: 2.2
  • Topological Polar Surface Area: 12.9?2

Experimental Properties

  • PSA: 12.89000
  • LogP: 2.35180

4-Chloro-3,5-dimethylpyridine 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%

4-Chloro-3,5-dimethylpyridine Pricemore >>

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4-Chloro-3,5-dimethylpyridine Related Literature

  • 1. Nucleophilic displacements in substituted pyridine N-oxides. Part I. Kinetics of the reactions between sodium ethoxide and 2- and 4-bromo-, 4-chloro-, 2-, 3-, and 4-nitro-, 4-chloro-3,5-dimethyl-, and 3,5-dimethyl-4-nitro-pyridine 1-oxide in anhydrous ethanol

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