Cas no 25637-16-5 (4-Bromotetrahydropyran)

4-Bromotetrahydropyran (CAS 33003-66-6) is a brominated heterocyclic compound featuring a tetrahydropyran ring structure. This versatile intermediate is widely used in organic synthesis, particularly in the preparation of pharmaceuticals, agrochemicals, and fine chemicals. Its reactive bromine substituent enables efficient functionalization, making it valuable for nucleophilic substitution reactions, cross-coupling processes, and ring-opening transformations. The compound exhibits good stability and solubility in common organic solvents, facilitating handling in laboratory and industrial settings. Its tetrahydropyran scaffold is a key motif in bioactive molecules, enhancing its utility in medicinal chemistry. 4-Bromotetrahydropyran is typically supplied as a clear to pale-yellow liquid with high purity, ensuring consistent performance in synthetic applications.
4-Bromotetrahydropyran structure
4-Bromotetrahydropyran structure
Product Name:4-Bromotetrahydropyran
CAS No:25637-16-5
MF:C5H9BrO
MW:165.028361082077
MDL:MFCD07371501
CID:242091
PubChem ID:13349654
Update Time:2025-06-09

4-Bromotetrahydropyran Chemical and Physical Properties

Names and Identifiers

    • 4-Bromotetrahydropyran
    • 4-Bromotetrahyropyran
    • 4-Bromooxacyclohexane
    • 4-Bromotetrahydro-2H-pyran
    • 4-BroMotetrahydro-2H-pyra...
    • 2H-Pyran, 4-bromotetrahydro-
    • 4-broMooxane
    • 4-Bromo-tetrahydropyran
    • 2H-Pyran,4-bromotetrahydro
    • 4-bromanyloxane
    • 4-Bromooxacyclohexane,4-Bromotetrahydro-2H-pyran
    • 4-bromo-tetrahydro-pyran
    • 4-Bromoxacyclohexan
    • 4-Brom-tetrahydro-pyran
    • 4-bromo-tetrahydro-2H-pyran
    • PubChem13108
    • monobromo tetrahydropyran
    • 2H-Pyran,4-bromotetrahydro-
    • IVBVKTPDEWDNRW-UHFFFAOYSA-N
    • BBL102637
    • STL556440
    • VZ28577
    • AM90079
    • PB24975
    • TRA003164
    • GS-4332
    • 5-Hydroxy-1H-indole-2-carboxylic?acid
    • MFCD07371501
    • SCHEMBL622798
    • CS-W003396
    • EN300-154517
    • HY-W003396
    • FT-0648507
    • W-206965
    • SY002700
    • 25637-16-5
    • B5600
    • A817934
    • 4-Bromooxacyclohexane, 4-Bromotetrahydro-2H-pyran
    • AKOS005256357
    • DTXSID00537841
    • MDL: MFCD07371501
    • Inchi: 1S/C5H9BrO/c6-5-1-3-7-4-2-5/h5H,1-4H2
    • InChI Key: IVBVKTPDEWDNRW-UHFFFAOYSA-N
    • SMILES: BrC1CCOCC1

Computed Properties

  • Exact Mass: 163.98400
  • Monoisotopic Mass: 163.98368g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 1
  • Heavy Atom Count: 7
  • Rotatable Bond Count: 0
  • Complexity: 50
  • 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: 9.2
  • XLogP3: 1.4

Experimental Properties

  • Color/Form: No data available
  • Density: 1.467?g/cm3?at 25?°C
  • Melting Point: No data available
  • Boiling Point: 61°C/15mmHg(lit.)
  • Flash Point: Fahrenheit: 159.8 ° f < br / > Celsius: 71 ° C < br / >
  • Refractive Index: n20/D 1.497
  • PSA: 9.23000
  • LogP: 1.56030

4-Bromotetrahydropyran Security Information

4-Bromotetrahydropyran Customs Data

  • HS CODE:2932999099
  • Customs Data:

    China Customs Code:

    2932999099

    Overview:

    2932999099. Other heterocyclic compounds containing only oxygen 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

    Summary:

    2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

4-Bromotetrahydropyran Pricemore >>

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4-Bromotetrahydropyran Production Method

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