Cas no 91678-23-8 (2-bromo-6-chloro-3-nitro-pyridine)

2-Bromo-6-chloro-3-nitro-pyridine is a halogenated nitropyridine derivative commonly utilized as a versatile intermediate in organic synthesis and pharmaceutical research. Its distinct substitution pattern—bromine at the 2-position, chlorine at the 6-position, and a nitro group at the 3-position—enables selective functionalization, making it valuable for constructing complex heterocyclic frameworks. The compound exhibits high reactivity in cross-coupling reactions, nucleophilic substitutions, and reduction processes, facilitating the synthesis of agrochemicals, pharmaceuticals, and specialty chemicals. Its stability under standard storage conditions and well-characterized reactivity profile enhance its utility in multistep synthetic routes. This compound is particularly advantageous for researchers requiring precise control over molecular modifications in pyridine-based systems.
2-bromo-6-chloro-3-nitro-pyridine structure
91678-23-8 structure
Product Name:2-bromo-6-chloro-3-nitro-pyridine
CAS No:91678-23-8
MF:C5H2BrClN2O2
MW:237.438579082489
MDL:MFCD09260904
CID:800018
PubChem ID:13245755
Update Time:2025-05-28

2-bromo-6-chloro-3-nitro-pyridine Chemical and Physical Properties

Names and Identifiers

    • 2-Bromo-6-chloro-3-nitropyridine
    • 6-bromo-3-chloro-2-nitropyridine
    • Pyridine,2-bromo-6-chloro-3-nitro-
    • 2-Bromo-3-nitro-6-chloropyridine
    • Pyridine, 2-bromo-6-chloro-3-nitro-
    • 2-BROMO-6-CHLORO-3-NITRO-PYRIDINE
    • WISCKHBEOBONJA-UHFFFAOYSA-N
    • RW3189
    • VP13670
    • FCH1391879
    • ST2416604
    • AX8072031
    • AB0027644
    • W9498
    • 2-Bromo-6-chloro-3-nitropyridine (ACI)
    • SCHEMBL3273393
    • MFCD09260904
    • 91678-23-8
    • CS-W008871
    • SB39910
    • SY112596
    • DTXSID70531639
    • AKOS015835816
    • DS-12173
    • J-508437
    • DB-027133
    • 2-bromo-6-chloro-3-nitro-pyridine
    • MDL： MFCD09260904
    • Inchi： 1S/C5H2BrClN2O2/c6-5-3(9(10)11)1-2-4(7)8-5/h1-2H
    • InChI Key： WISCKHBEOBONJA-UHFFFAOYSA-N
    • SMILES： [O-][N+](C1C(Br)=NC(Cl)=CC=1)=O

Computed Properties

  • Exact Mass: 235.89900
  • Monoisotopic Mass: 235.89882g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 11
  • Rotatable Bond Count: 0
  • Complexity: 163
  • 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: 58.7
  • XLogP3: 2.7

Experimental Properties

  • Color/Form: No data avaiable
  • Density: 1.936±0.06 g/cm3 (20 oC 760 Torr),
  • Melting Point: No data available
  • Boiling Point: 277.2±35.0 oC (760 Torr),
  • Flash Point: 121.5±25.9 oC,
  • Refractive Index: 1.627
  • Solubility: Very slightly soluble (0.83 g/l) (25 o C),
  • PSA: 58.71000
  • LogP: 2.92890
  • Vapor Pressure: No data available

2-bromo-6-chloro-3-nitro-pyridine Security Information

2-bromo-6-chloro-3-nitro-pyridine 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%

2-bromo-6-chloro-3-nitro-pyridine Pricemore >>

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2-bromo-6-chloro-3-nitro-pyridine Production Method

Production Method 1

Reaction Conditions
1.1 Reagents: Sodium nitrite
Reference
Halogenated and nitrated (6-phenoxy-2-pyridinyl)oxy alkanoates
Heilmann, Dieter; et al, Wissenschaftliche Zeitschrift der Paedagogischen Hochschule Karl Liebknecht Potsdam, 1984, 28(1), 115-23

2-bromo-6-chloro-3-nitro-pyridine Raw materials

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