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Heterocyclic Building Blocks

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  • 6-Bromopiperonal

    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Bromo-3,4-methylenedioxybenzaldehyde
    Catalog Number:
    44487
    CAS Number:
    15930-53-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00022952
    Molecular Formula:
    C8H5BrO3
    Molecular Weight:
    229.03
  • Catalog Number:
    44479
    CAS Number:
    63744-22-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08460056
    Molecular Formula:
    C6H3Br2N3
    Molecular Weight:
    276.92
  • Catalog Number:
    44481
    CAS Number:
    198142-65-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD30342413
    Molecular Formula:
    C25H14Br2O
    Molecular Weight:
    490.19
  • 5-Bromophthalide

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromo-1(3H)-isobenzofuranone
    Catalog Number:
    44477
    CAS Number:
    64169-34-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01797360
    Molecular Formula:
    C8H5BrO2
    Molecular Weight:
    213.03
  • 6-Bromo-1H-1,2,3-triazolo[4,5-b]pyridine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    6-Bromo-4-azabenzotriazole
    Catalog Number:
    44473
    CAS Number:
    92276-38-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD08703628
    Molecular Formula:
    C5H3BrN4
    Molecular Weight:
    199.01
  • 3-Bromo-1H-pyrazolo[3,4-d]pyrimidin-4-amine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    4-Amino-3-bromo-1H-pyrazolo[3,4-d]pyrimidine
    Catalog Number:
    44472
    CAS Number:
    83255-86-1
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD12196922
    Molecular Formula:
    C5H4BrN5
    Molecular Weight:
    214.03
  • 4-Bromophthalimide

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44476
    CAS Number:
    6941-75-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00466049
    Molecular Formula:
    C8H4BrNO2
    Molecular Weight:
    226.03
  • 5,6-Dibromo-1,3-benzodioxole

    Purity:
    ≥ 98% (GC)
    Synonym:
    4,5-Dibromo-1,2-methylenedioxybenzene
    Catalog Number:
    44478
    CAS Number:
    5279-32-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00094476
    Molecular Formula:
    C7H4Br2O2
    Molecular Weight:
    279.92
  • 2-Bromo-9H-thioxanthen-9-one

    Purity:
    ≥ 96% (GC)
    Synonym:
    2-Bromothioxanthone
    Catalog Number:
    44470
    CAS Number:
    20077-10-5
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00093494
    Molecular Formula:
    C13H7BrOS
    Molecular Weight:
    291.16
  • 7-Bromopyrrolo[2,1-f][1,2,4]triazin-4-amine

    Purity:
    ≥ 95% (GC)
    Synonym:
    4-Amino-7-bromopyrrolo[2,1-f][1,2,4]triazine
    Catalog Number:
    44469
    CAS Number:
    937046-98-5
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD09033848
    Molecular Formula:
    C6H5BrN4
    Molecular Weight:
    213.04
  • Catalog Number:
    44465
    CAS Number:
    63234-80-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD06200813
    Molecular Formula:
    C11H15ClN2O
    Molecular Weight:
    226.7
  • Methyl 5-bromo-2-furancarboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Methyl 5-bromo-2-furoate
    Catalog Number:
    44462
    CAS Number:
    2527-99-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00092313
    Molecular Formula:
    C6H5BrO3
    Molecular Weight:
    205.01
  • tert-Butyl (R)-2-(2,6-dichlorophenyl)-5-oxo-3-[(R)-1-phenylethyl]imidazolidine-1-carboxylate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (R)-3-(tert-Butoxycarbonyl)-2-(2,6-dichlorophenyl)-1-[(R)-1-phenylethyl]imidazolidin-4-one
    Catalog Number:
    44467
    CAS Number:
    1004755-00-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD30187600
    Molecular Formula:
    C22H24Cl2N2O3
    Molecular Weight:
    435.35
  • Catalog Number:
    44466
    CAS Number:
    41078-70-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03085747
    Molecular Formula:
    C11H11ClN2O
    Molecular Weight:
    222.67
  • Carbazole-9-carbonyl chloride

    Purity:
    ≥ 98% (GC)
    Synonym:
    9-(Chlorocarbonyl)carbazole
    Catalog Number:
    44440
    CAS Number:
    73500-82-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00059689
    Molecular Formula:
    C13H8ClNO
    Molecular Weight:
    229.66
  • 4-Bromospiro[fluorene-9,9'-xanthene]

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Bromospiro[9H-fluorene-9,9'-[9H]xanthene]
    Catalog Number:
    44471
    CAS Number:
    1609484-45-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD32065723
    Molecular Formula:
    C25H15BrO
    Molecular Weight:
    411.3
  • 2-Bromofuran (stabilized with CaO)

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44456
    CAS Number:
    584-12-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00216609
    Molecular Formula:
    C4H3BrO
    Molecular Weight:
    0
  • 5-Bromo-2-furaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromofurfural
    Catalog Number:
    44463
    CAS Number:
    1899-24-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00159501
    Molecular Formula:
    C5H3BrO2
    Molecular Weight:
    174.98
  • tert-Butyl (S)-2-(2,6-dichlorophenyl)-5-oxo-3-[(S)-1-phenylethyl]imidazolidine-1-carboxylate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (S)-3-(tert-Butoxycarbonyl)-2-(2,6-dichlorophenyl)-1-[(S)-1-phenylethyl]imidazolidin-4-one
    Catalog Number:
    44468
    CAS Number:
    1149765-08-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD30187601
    Molecular Formula:
    C22H24Cl2N2O3
    Molecular Weight:
    435.35
  • 4-Bromo-2-furaldehyde

    Purity:
    ≥ 97% (GC)
    Synonym:
    4-Bromofurfural
    Catalog Number:
    44461
    CAS Number:
    21921-76-6
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00671504
    Molecular Formula:
    C5H3BrO2
    Molecular Weight:
    174.98
  • 3-Bromo-2-furaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Bromofuran-2-carboxaldehyde
    Catalog Number:
    44464
    CAS Number:
    14757-78-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD07368224
    Molecular Formula:
    C5H3BrO2
    Molecular Weight:
    174.98
  • 5-Bromo-2-furoic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Bromo-2-furancarboxylic acid
    Catalog Number:
    44460
    CAS Number:
    585-70-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00003239
    Molecular Formula:
    C5H3BrO3
    Molecular Weight:
    190.98
  • 2,3-Dichlorotetrahydrofuran

    Purity:
    ≥ 90% (GC)
    Synonym:
    Tetrahydro-2,3-dichlorofuran
    Catalog Number:
    44459
    CAS Number:
    3511-19-1
    Purity Limit:
    ≥ 90% (GC)
    MDL NO:
    MFCD00059736
    Molecular Formula:
    C4H6Cl2O
    Molecular Weight:
    140.99
  • Ethyl 5-bromo-2-furancarboxylate

    Purity:
    ≥ 97% (GC)
    Synonym:
    Ethyl 5-bromo-2-furoate
    Catalog Number:
    44457
    CAS Number:
    6132-37-2
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00092362
    Molecular Formula:
    C7H7BrO3
    Molecular Weight:
    219.03
  • 3,4-Dibromofuran

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44453
    CAS Number:
    32460-02-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01318995
    Molecular Formula:
    C4H2Br2O
    Molecular Weight:
    225.87
  • 5-Iodo-2-furaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Iodofurfural
    Catalog Number:
    44458
    CAS Number:
    2689-65-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00159503
    Molecular Formula:
    C5H3IO2
    Molecular Weight:
    221.98
  • 2-Bromo-5-nitrofuran

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44455
    CAS Number:
    823-73-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00142879
    Molecular Formula:
    C4H2BrNO3
    Molecular Weight:
    191.97
  • Methyl 4,5-Dibromo-2-furancarboxylate

    Purity:
    ≥ 95% (GC)
    Synonym:
    4,5-Dibromo-2-furancarboxylic acid methyl ester
    Catalog Number:
    44450
    CAS Number:
    54113-41-6
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00092493
    Molecular Formula:
    C6H4Br2O3
    Molecular Weight:
    283.9
  • 4-Chloro-3-nitrocoumarin

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44448
    CAS Number:
    38464-20-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00051670
    Molecular Formula:
    C9H4ClNO4
    Molecular Weight:
    225.58
  • 2,5-Dibromofuran (stabilized with MgO)

    Hazmat
    Purity:
    ≥ 97% (GC)
    Hazmat
    Catalog Number:
    44454
    CAS Number:
    32460-00-7
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00191342
    Molecular Formula:
    C4H2Br2O
    Molecular Weight:
    0
  • 4,5-Dibromo-N-methoxy-N-methyl-2-furancarboxamide

    Purity:
    ≥ 96% (GC)
    Synonym:
    Methyl 4,5-Dibromo-N-methyl-2-furohydroxamate
    Catalog Number:
    44451
    CAS Number:
    502639-02-3
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD08276337
    Molecular Formula:
    C7H7Br2NO3
    Molecular Weight:
    312.95
  • Catalog Number:
    44443
    CAS Number:
    1221237-83-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD29072769
    Molecular Formula:
    C22H13Br2N
    Molecular Weight:
    451.16
  • Catalog Number:
    44422
    CAS Number:
    1210469-11-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD26390974
    Molecular Formula:
    C22H14BrN
    Molecular Weight:
    372.27
  • Ethyl 6-Bromocoumarin-3-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Bromocoumarin-3-carboxylic acid ethyl ester
    Catalog Number:
    44447
    CAS Number:
    2199-90-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00124584
    Molecular Formula:
    C12H9BrO4
    Molecular Weight:
    297.1
  • 6-Chloro-4-hydroxycoumarin

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44446
    CAS Number:
    19484-57-2
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00239399
    Molecular Formula:
    C9H5ClO3
    Molecular Weight:
    196.59
  • Catalog Number:
    44444
    CAS Number:
    955964-73-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD16619379
    Molecular Formula:
    C29H41Br2N
    Molecular Weight:
    563.46
  • 3-Chloro-2,4(3H,5H)-furandione

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Chloro-4-hydroxy-2(5H)-furanone
    Catalog Number:
    44449
    CAS Number:
    4971-55-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00134273
    Molecular Formula:
    C4H3ClO3
    Molecular Weight:
    134.52
  • 6-Chloro-7-hydroxy-4-methylcoumarin

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    6-Chloro-4-methylumbelliferone
    Catalog Number:
    44445
    CAS Number:
    19492-02-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00816527
    Molecular Formula:
    C10H7ClO3
    Molecular Weight:
    210.61
  • Ethyl 5-Chloromethyl-2-furancarboxylate

    Purity:
    ≥ 97% (GC)
    Synonym:
    5-Chloromethyl-2-furancarboxylic acid ethyl ester
    Catalog Number:
    44452
    CAS Number:
    2528-00-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00173837
    Molecular Formula:
    C8H9ClO3
    Molecular Weight:
    188.61
  • 3,6-Dibromocarbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44441
    CAS Number:
    6825-20-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00004961
    Molecular Formula:
    C12H7Br2N
    Molecular Weight:
    325.0
  • 2,7-Dibromo-9-n-octylcarbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44442
    CAS Number:
    726169-75-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD19440901
    Molecular Formula:
    C20H23Br2N
    Molecular Weight:
    437.22
  • 3-Bromo-9-ethylcarbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44434
    CAS Number:
    57102-97-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00092392
    Molecular Formula:
    C14H12BrN
    Molecular Weight:
    274.16
  • 3,6-Dichlorocarbazole

    Purity:
    ≥ 96% (GC)
    Catalog Number:
    44427
    CAS Number:
    5599-71-3
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00218271
    Molecular Formula:
    C12H7Cl2N
    Molecular Weight:
    236.1
  • Catalog Number:
    44438
    CAS Number:
    854952-59-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD32062864
    Molecular Formula:
    C24H16BrN
    Molecular Weight:
    398.3
  • 2,7-Dibromo-9-phenylcarbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44428
    CAS Number:
    444796-09-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD28147705
    Molecular Formula:
    C18H11Br2N
    Molecular Weight:
    401.1
  • Catalog Number:
    44437
    CAS Number:
    1616607-88-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD27644694
    Molecular Formula:
    C24H16BrN
    Molecular Weight:
    398.3
  • 1-Bromocarbazole

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    44439
    CAS Number:
    16807-11-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD18450164
    Molecular Formula:
    C12H8BrN
    Molecular Weight:
    246.11
  • 9-(4-Iodophenyl)carbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44431
    CAS Number:
    57103-15-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD11617970
    Molecular Formula:
    C18H12IN
    Molecular Weight:
    369.21
  • Catalog Number:
    44432
    CAS Number:
    606129-89-9
    Purity Limit:
    ≥ 96%
    MDL NO:
    MFCD10000947
    Molecular Formula:
    C14H9I2NO
    Molecular Weight:
    461.04
  • Catalog Number:
    44436
    CAS Number:
    1141017-84-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD31692913
    Molecular Formula:
    C30H20BrN
    Molecular Weight:
    474.4