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Heterocyclic Building Blocks

3723
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  • 3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carbonyl chloride

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44543
    CAS Number:
    4462-55-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00052556
    Molecular Formula:
    C11H6Cl3NO2
    Molecular Weight:
    290.52
    Specification Sheet SDS

  • 1-(4-Bromophenyl)piperazine hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44565
    CAS Number:
    68104-62-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00674134
    Molecular Formula:
    C10H13BrN2·HCl
    Molecular Weight:
    277.59
    Specification Sheet SDS

  • 2,4-Dichloro-1,8-naphthyridine

    Purity:
    ≥ 96% (GC)
    Synonym:
    2,4-Dichloro-1,8-diazanaphthalene
    Catalog Number:
    44552
    CAS Number:
    59514-89-5
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00234380
    Molecular Formula:
    C8H4Cl2N2
    Molecular Weight:
    199.03
    Specification Sheet SDS

  • 4-Iodo-3,5-dimethylisoxazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44545
    CAS Number:
    10557-85-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00173743
    Molecular Formula:
    C5H6INO
    Molecular Weight:
    223.01
    Specification Sheet SDS

  • 3-(Bromomethyl)-3-oxetanemethanol

    Purity:
    ≥ 97% (GC)
    Synonym:
    2-(Bromomethyl)-2-(hydroxymethyl)-1,3-epoxypropane
    Catalog Number:
    44557
    CAS Number:
    22633-44-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD09800598
    Molecular Formula:
    C5H9BrO2
    Molecular Weight:
    181.03
    Specification Sheet SDS

  • 5-Chloromethyl-2-oxazolidinone

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44555
    CAS Number:
    22625-57-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005269
    Molecular Formula:
    C4H6ClNO2
    Molecular Weight:
    135.55
    Specification Sheet SDS

  • 3,3-Bis(bromomethyl)oxetane

    Purity:
    ≥ 95% (GC)
    Synonym:
    2,2-Bis(bromomethyl)-1,3-epoxypropane
    Catalog Number:
    44559
    CAS Number:
    2402-83-7
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00269694
    Molecular Formula:
    C5H8Br2O
    Molecular Weight:
    243.93
    Specification Sheet SDS

  • 3-(Bromomethyl)-3-methyloxetane

    Purity:
    ≥ 97% (GC)
    Synonym:
    2-(Bromomethyl)-2-methyl-1,3-epoxypropane
    Catalog Number:
    44556
    CAS Number:
    78385-26-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD02684290
    Molecular Formula:
    C5H9BrO
    Molecular Weight:
    165.03
    Specification Sheet SDS

  • 1-(4-Chlorobenzhydryl)piperazine

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-(4-Chlorodiphenylmethyl)piperazine
    Catalog Number:
    44562
    CAS Number:
    303-26-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005965
    Molecular Formula:
    C17H19ClN2
    Molecular Weight:
    286.8
    Specification Sheet SDS

  • 5-Chloro-1-methylisatin

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Chloro-1-methylindole-2,3-dione
    Catalog Number:
    44530
    CAS Number:
    60434-13-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02956479
    Molecular Formula:
    C9H6ClNO2
    Molecular Weight:
    195.6
    Specification Sheet SDS

  • 7-Chloroisatin

    Purity:
    ≥ 98% (GC)
    Synonym:
    7-Chloroindole-2,3-dione
    Catalog Number:
    44520
    CAS Number:
    7477-63-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00022796
    Molecular Formula:
    C8H4ClNO2
    Molecular Weight:
    181.58
    Specification Sheet SDS

  • 5-Chloro-3-phenyl-2,1-benzisoxazole

    Purity:
    ≥ 96% (GC)
    Synonym:
    5-Chloro-3-phenylanthranil
    Catalog Number:
    44542
    CAS Number:
    719-64-2
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00014573
    Molecular Formula:
    C13H8ClNO
    Molecular Weight:
    229.66
    Specification Sheet SDS

  • 4-(Chloromethyl)-3,5-dimethylisoxazole

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44544
    CAS Number:
    19788-37-5
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00003154
    Molecular Formula:
    C6H8ClNO
    Molecular Weight:
    145.59
    Specification Sheet SDS

  • 4-Morpholinylcarbonyl chloride

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    4-Chlorocarbonylmorpholine
    Hazmat
    Catalog Number:
    44551
    CAS Number:
    15159-40-7
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00037053
    Molecular Formula:
    C5H8ClNO2
    Molecular Weight:
    149.57
    Specification Sheet SDS

  • 4-(4-Chlorophenyl)thiomorpholine 1,1-dioxide

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-(1,1-Dioxothiomorpholino)phenyl chloride
    Catalog Number:
    44548
    CAS Number:
    82222-74-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD07366283
    Molecular Formula:
    C10H12ClNO2S
    Molecular Weight:
    245.72
    Specification Sheet SDS

  • 1-Chloroisoquinoline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44538
    CAS Number:
    19493-44-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00024134
    Molecular Formula:
    C9H6ClN
    Molecular Weight:
    163.6
    Specification Sheet SDS

  • 4-(4-Chlorophenyl)morpholine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44549
    CAS Number:
    70291-67-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09038510
    Molecular Formula:
    C10H12ClNO
    Molecular Weight:
    197.66
    Specification Sheet SDS

  • 4-(4-Bromophenyl)thiomorpholine 1,1-dioxide

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-(1,1-Dioxothiomorpholino)phenyl bromide
    Catalog Number:
    44550
    CAS Number:
    1093878-42-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08276281
    Molecular Formula:
    C10H12BrNO2S
    Molecular Weight:
    290.18
    Specification Sheet SDS

  • 4-(2,6-Dichloro-4-pyrimidyl)morpholine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,4-Dichloro-6-(4-morpholino)pyrimidine
    Catalog Number:
    44547
    CAS Number:
    52127-83-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09746259
    Molecular Formula:
    C8H9Cl2N3O
    Molecular Weight:
    234.08
    Specification Sheet SDS

  • 3-Chloro-1,2-benzisothiazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44541
    CAS Number:
    7716-66-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00673254
    Molecular Formula:
    C7H4ClNS
    Molecular Weight:
    169.63
    Specification Sheet SDS

  • 3-(4-Chlorobutyl)indole-5-carbonitrile

    Purity:
    ≥ 97% (GC)
    Synonym:
    3-(4-Chlorobutyl)-5-cyanoindole
    Catalog Number:
    44529
    CAS Number:
    143612-79-7
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD09833261
    Molecular Formula:
    C13H13ClN2
    Molecular Weight:
    232.71
    Specification Sheet SDS

  • Ethyl 3-Bromoindole-2-carboxylate

    Purity:
    ≥ 95% (GC)
    Synonym:
    3-Bromoindole-2-carboxylic acid ethyl ester
    Catalog Number:
    44525
    CAS Number:
    91348-45-7
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD02071793
    Molecular Formula:
    C11H10BrNO2
    Molecular Weight:
    268.11
    Specification Sheet SDS

  • 4-Bromoisoquinoline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44537
    CAS Number:
    1532-97-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006904
    Molecular Formula:
    C9H6BrN
    Molecular Weight:
    208.06
    Specification Sheet SDS

  • 6-Bromoisoquinoline

    Purity:
    ≥ 97% (Assay)
    Catalog Number:
    44540
    CAS Number:
    34784-05-9
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD04973299
    Molecular Formula:
    C9H6BrN
    Molecular Weight:
    208.06
    Specification Sheet SDS

  • 1-Iodoisoquinoline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44539
    CAS Number:
    19658-77-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00234494
    Molecular Formula:
    C9H6IN
    Molecular Weight:
    255.06
    Specification Sheet SDS

  • 7-Bromooxindole

    Purity:
    ≥ 98% (GC)
    Synonym:
    7-Bromo-2-indolinone
    Catalog Number:
    44532
    CAS Number:
    320734-35-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02179613
    Molecular Formula:
    C8H6BrNO
    Molecular Weight:
    212.05
    Specification Sheet SDS

  • 1-Bromoisoquinoline

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    44536
    CAS Number:
    1532-71-4
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00234478
    Molecular Formula:
    C9H6BrN
    Molecular Weight:
    208.06
    Specification Sheet SDS

  • 6-Chloro-5-(2-chloroethyl)oxindole

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Chloro-5-(2-chloroethyl)-2-indolinone
    Hazmat
    Catalog Number:
    44528
    CAS Number:
    118289-55-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03411598
    Molecular Formula:
    C10H9Cl2NO
    Molecular Weight:
    230.09
    Specification Sheet SDS

  • 5-Bromo-4-chloroindoxyl acetate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Bromo-4-chloro-3-indolyl acetate
    Catalog Number:
    44524
    CAS Number:
    3252-36-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037932
    Molecular Formula:
    C10H7BrClNO2
    Molecular Weight:
    288.53
    Specification Sheet SDS

  • 1,7-Dichloro-4-methoxyisoquinoline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44535
    CAS Number:
    630423-36-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD17012717
    Molecular Formula:
    C10H7Cl2NO
    Molecular Weight:
    228.07
    Specification Sheet SDS

  • 6-Bromoisatin

    Purity:
    ≥ 97% (GC)
    Synonym:
    6-Bromoindole-2,3-dione
    Catalog Number:
    44527
    CAS Number:
    6326-79-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD01631138
    Molecular Formula:
    C8H4BrNO2
    Molecular Weight:
    226.03
    Specification Sheet SDS

  • 3-Chloroindole-2-carboxylic acid

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    44513
    CAS Number:
    28737-32-8
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD11007738
    Molecular Formula:
    C9H6ClNO2
    Molecular Weight:
    195.6
    Specification Sheet SDS

  • 7-Bromoisatin

    Purity:
    ≥ 97% (GC)
    Synonym:
    7-Bromoindole-2,3-dione
    Catalog Number:
    44531
    CAS Number:
    20780-74-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00774354
    Molecular Formula:
    C8H4BrNO2
    Molecular Weight:
    226.03
    Specification Sheet SDS

  • 5-Chloro-1,3,3-trimethyl-2-methyleneindoline

    Purity:
    ≥ 95% (GC)
    Synonym:
    5-Chloro-2,3-dihydro-1,3,3-trimethyl-2-methylene-1H-indole
    Catalog Number:
    44533
    CAS Number:
    6872-17-9
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00005814
    Molecular Formula:
    C12H14ClN
    Molecular Weight:
    207.7
    Specification Sheet SDS

  • 1,3-Dichloroisoquinoline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44534
    CAS Number:
    7742-73-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00034750
    Molecular Formula:
    C9H5Cl2N
    Molecular Weight:
    198.05
    Specification Sheet SDS

  • 4-Bromoisatin

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Bromoindole-2,3-dione
    Catalog Number:
    44526
    CAS Number:
    20780-72-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03618555
    Molecular Formula:
    C8H4BrNO2
    Molecular Weight:
    226.03
    Specification Sheet SDS

  • 1-Benzyl-5-bromo-1H-indole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44517
    CAS Number:
    10075-51-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04337704
    Molecular Formula:
    C15H12BrN
    Molecular Weight:
    286.17
    Specification Sheet SDS

  • 5-Bromoisatin

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    5-Bromoindole-2,3-dione
    Catalog Number:
    44512
    CAS Number:
    87-48-9
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00005719
    Molecular Formula:
    C8H4BrNO2
    Molecular Weight:
    226.03
    Specification Sheet SDS

  • 4,7-Dichloroisatin

    Purity:
    ≥ 97% (Assay by titration)
    Synonym:
    4,7-Dichloroindole-2,3-dione
    Catalog Number:
    44509
    CAS Number:
    18711-13-2
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00047214
    Molecular Formula:
    C8H3Cl2NO2
    Molecular Weight:
    216.02
    Specification Sheet SDS

  • 5-Bromo-2,3-dimethylindole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44523
    CAS Number:
    4583-55-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00850844
    Molecular Formula:
    C10H10BrN
    Molecular Weight:
    224.1
    Specification Sheet SDS

  • 7-Iodoisatin

    Purity:
    ≥ 96% (Assay by titration)
    Synonym:
    7-Iodoindole-2,3-dione
    Catalog Number:
    44518
    CAS Number:
    20780-78-3
    Purity Limit:
    ≥ 96% (Assay by titration)
    MDL NO:
    MFCD01248407
    Molecular Formula:
    C8H4INO2
    Molecular Weight:
    273.03
    Specification Sheet SDS

  • 5-(Chloroacetyl)oxindole

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-(Chloroacetyl)-2-indolinone
    Catalog Number:
    44521
    CAS Number:
    65435-04-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04115734
    Molecular Formula:
    C10H8ClNO2
    Molecular Weight:
    209.63
    Specification Sheet SDS

  • 2-Chloro-1H-imidazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44493
    CAS Number:
    16265-04-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02179530
    Molecular Formula:
    C3H3ClN2
    Molecular Weight:
    102.52
    Specification Sheet SDS

  • 3-Bromo-1-(triisopropylsilyl)indole

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44522
    CAS Number:
    148249-36-9
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD02093441
    Molecular Formula:
    C17H26BrNSi
    Molecular Weight:
    352.39
    Specification Sheet SDS

  • 4-Chloroisatin

    Purity:
    ≥ 97% (GC)
    Synonym:
    4-Chloroindole-2,3-dione
    Catalog Number:
    44515
    CAS Number:
    6344-05-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00129178
    Molecular Formula:
    C8H4ClNO2
    Molecular Weight:
    181.58
    Specification Sheet SDS

  • 5-Fluoro-2-methylindole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44514
    CAS Number:
    399-72-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02093649
    Molecular Formula:
    C9H8FN
    Molecular Weight:
    149.17
    Specification Sheet SDS

  • 1-(2,6-Dichlorophenyl)oxindole

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-(2,6-Dichlorophenyl)-2-oxoindoline
    Catalog Number:
    44508
    CAS Number:
    15362-40-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00451393
    Molecular Formula:
    C14H9Cl2NO
    Molecular Weight:
    278.13
    Specification Sheet SDS

  • 5-Bromoindole-3-ethanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromo-3-(2-hydroxyethyl)indole
    Catalog Number:
    44516
    CAS Number:
    32774-29-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00130167
    Molecular Formula:
    C10H10BrNO
    Molecular Weight:
    240.1
    Specification Sheet SDS

  • 4-Bromoindole-3-carboxaldehyde

    Purity:
    ≥ 96% (GC)
    Synonym:
    4-Bromo-3-formylindole
    Catalog Number:
    44511
    CAS Number:
    98600-34-1
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD05864695
    Molecular Formula:
    C9H6BrNO
    Molecular Weight:
    224.06
    Specification Sheet SDS

  • 5-Iodoisatin

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    5-Iodoindole-2,3-dione
    Catalog Number:
    44519
    CAS Number:
    20780-76-1
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00016899
    Molecular Formula:
    C8H4INO2
    Molecular Weight:
    273.03
    Specification Sheet SDS
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