Cas no 137178-88-2 (5-Bromopyridine-2-carbonyl chloride)

5-Bromopyridine-2-carbonyl chloride is a versatile heterocyclic building block used in organic synthesis and pharmaceutical applications. Its reactive carbonyl chloride group enables efficient acylation reactions, while the bromine substituent offers a handle for further functionalization via cross-coupling or nucleophilic substitution. This compound is particularly valuable in the preparation of pyridine-based derivatives, such as amides, esters, and heterocyclic scaffolds. Its high purity and stability under controlled conditions make it suitable for precise synthetic workflows. The electron-withdrawing bromine moiety also enhances reactivity in electrophilic aromatic substitution, facilitating the synthesis of complex molecular architectures. Proper handling under inert conditions is recommended due to its moisture sensitivity.
5-Bromopyridine-2-carbonyl chloride structure
137178-88-2 structure
Product Name:5-Bromopyridine-2-carbonyl chloride
CAS No:137178-88-2
MF:C6H3BrClNO
MW:220.451119661331
MDL:MFCD07368290
CID:64462
PubChem ID:19090771
Update Time:2025-06-07

5-Bromopyridine-2-carbonyl chloride Chemical and Physical Properties

Names and Identifiers

    • 5-Bromopyridine-2-carbonyl chloride
    • 5-Bromo-2-pyridinecarbonyl chloride
    • 5-Bromo-pyridine-2-carbonyl chloride
    • 5-BroMopyridine-2-carbonyl chloride, tech grade
    • 5-Bromo-2-pyridinecarbonylchloride
    • 5-bromopicolinoyl chloride
    • 2-Pyridinecarbonyl chloride, 5-bromo-
    • 2-Pyridinecarbonylchloride, 5-bromo-
    • 5-Bromopyridine-2-CarbonylChloride
    • IJJINPZOASSMGD-UHFFFAOYSA-N
    • 5-Bromo-2-(chlorocarbonyl)pyridine
    • SBB069729
    • WT82397
    • RP27275
    • AB0003402
    • ST2
    • MFCD07368290
    • AS-5936
    • FT-0645308
    • 137178-88-2
    • DTXSID30597978
    • SY064805
    • J-517199
    • E83900
    • AKOS012257670
    • SCHEMBL787729
    • MDL： MFCD07368290
    • Inchi： 1S/C6H3BrClNO/c7-4-1-2-5(6(8)10)9-3-4/h1-3H
    • InChI Key： IJJINPZOASSMGD-UHFFFAOYSA-N
    • SMILES： BrC1=CN=C(C(=O)Cl)C=C1

Computed Properties

  • Exact Mass: 218.90900
  • Monoisotopic Mass: 218.90865g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 10
  • Rotatable Bond Count: 1
  • Complexity: 142
  • 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: nothing
  • XLogP3: 2.4
  • Topological Polar Surface Area: 30

Experimental Properties

  • Density: 1.760
  • Boiling Point: 250oC
  • Flash Point: 105oC
  • Refractive Index: 1.59
  • PSA: 29.96000
  • LogP: 2.22310
  • Sensitiveness: Moisture Sensitive

5-Bromopyridine-2-carbonyl chloride Security Information

  • HazardClass：8

5-Bromopyridine-2-carbonyl chloride 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%

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