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Heterocyclic Building Blocks

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  • 10-Bromo-7H-benzo[c]carbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44426
    CAS Number:
    1698-16-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD22054961
    Molecular Formula:
    C16H10BrN
    Molecular Weight:
    296.17
  • Catalog Number:
    44433
    CAS Number:
    36684-65-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00541331
    Molecular Formula:
    C12H12ClN
    Molecular Weight:
    205.69
  • 9-Benzyl-3,6-dibromocarbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44435
    CAS Number:
    118599-27-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00218292
    Molecular Formula:
    C19H13Br2N
    Molecular Weight:
    415.13
  • 2,7-Dibromo-9-dodecylcarbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44429
    CAS Number:
    544436-47-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD28384143
    Molecular Formula:
    C24H31Br2N
    Molecular Weight:
    493.33
  • 3,6-Dibromo-9-n-octylcarbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44430
    CAS Number:
    79554-93-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD23703112
    Molecular Formula:
    C20H23Br2N
    Molecular Weight:
    437.22
  • 4,5,6,7-Tetrabromobenzotriazole

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    TBB
    Catalog Number:
    44410
    CAS Number:
    17374-26-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06411399
    Molecular Formula:
    C6HBr4N3
    Molecular Weight:
    434.71
  • 3,6-Diiodo-9-phenylcarbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44419
    CAS Number:
    57103-21-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD11521285
    Molecular Formula:
    C18H11I2N
    Molecular Weight:
    495.1
  • 5-Chlorobenzoxazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44417
    CAS Number:
    17200-29-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00216939
    Molecular Formula:
    C7H4ClNO
    Molecular Weight:
    153.57
  • Catalog Number:
    44420
    CAS Number:
    73087-83-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD12024284
    Molecular Formula:
    C18H10Br3N
    Molecular Weight:
    480.0
  • 9-(4-Bromophenyl)carbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44424
    CAS Number:
    57102-42-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD11617969
    Molecular Formula:
    C18H12BrN
    Molecular Weight:
    322.21
  • 5-Chloro-2-methylbenzoxazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44416
    CAS Number:
    19219-99-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00022850
    Molecular Formula:
    C8H6ClNO
    Molecular Weight:
    167.59
  • Catalog Number:
    44418
    CAS Number:
    173063-52-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD18252907
    Molecular Formula:
    C20H23Br2N
    Molecular Weight:
    437.22
  • 3-Bromodibenzothiophene 5,5-dioxide

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Bromodibenzothiophene sulfone
    Catalog Number:
    44409
    CAS Number:
    116668-69-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD30742894
    Molecular Formula:
    C12H7BrO2S
    Molecular Weight:
    295.15
  • 1,3,6,8-Tetrabromocarbazole

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44423
    CAS Number:
    55119-09-0
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00218272
    Molecular Formula:
    C12H5Br4N
    Molecular Weight:
    482.8
  • 3-Bromodibenzofuran

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    44396
    CAS Number:
    26608-06-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD09966042
    Molecular Formula:
    C12H7BrO
    Molecular Weight:
    247.09
  • Catalog Number:
    44421
    CAS Number:
    544436-46-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD23703116
    Molecular Formula:
    C20H23Br2N
    Molecular Weight:
    437.22
  • 2-Bromo-8-iododibenzothiophene

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44404
    CAS Number:
    1206544-88-8
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD28975102
    Molecular Formula:
    C12H6BrIS
    Molecular Weight:
    389.05
  • 2-(4-Bromophenyl)benzoxazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44415
    CAS Number:
    3164-13-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00168898
    Molecular Formula:
    C13H8BrNO
    Molecular Weight:
    274.12
  • 5-Chloroisatoic anhydride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    6-Chloro-1,2-dihydro -4H-3,1-benzoxazine-2,4-dione
    Catalog Number:
    44413
    CAS Number:
    4743-17-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006701
    Molecular Formula:
    C8H4ClNO3
    Molecular Weight:
    197.57
  • 2,6-Dichlorobenzoxazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44414
    CAS Number:
    3621-82-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD07368635
    Molecular Formula:
    C7H3Cl2NO
    Molecular Weight:
    188.01
  • 2-Bromo-8-iododibenzofuran

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44397
    CAS Number:
    916435-41-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD28975101
    Molecular Formula:
    C12H6BrIO
    Molecular Weight:
    372.99
  • 6-Bromobenzo[b]thiophene

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44406
    CAS Number:
    17347-32-9
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD11226847
    Molecular Formula:
    C8H5BrS
    Molecular Weight:
    213.09
  • 5-Bromoisatoic anhydride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    6-Bromo-1,2-dihydro-4H-3,1-benzoxazine-2,4-dione
    Catalog Number:
    44412
    CAS Number:
    4692-98-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00016921
    Molecular Formula:
    C8H4BrNO3
    Molecular Weight:
    242.03
  • 4-Chloroisatoic anhydride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    7-Chloro-1,2-dihydro-4H-3,1-benzoxazine-2,4-dione
    Catalog Number:
    44411
    CAS Number:
    40928-13-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00090431
    Molecular Formula:
    C8H4ClNO3
    Molecular Weight:
    197.57
  • Catalog Number:
    44407
    CAS Number:
    189097-35-6
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD28100973
    Molecular Formula:
    C16H9BrS
    Molecular Weight:
    313.21
  • 3-Bromobenzo[b]thiophene

    Purity:
    ≥ 96% (GC)
    Catalog Number:
    44405
    CAS Number:
    7342-82-7
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00023009
    Molecular Formula:
    C8H5BrS
    Molecular Weight:
    213.09
  • 5-(2-Bromoethyl)-2,3-dihydrobenzofuran

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-(2-Bromoethyl)coumaran
    Catalog Number:
    44394
    CAS Number:
    127264-14-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD06797641
    Molecular Formula:
    C10H11BrO
    Molecular Weight:
    227.1
  • Catalog Number:
    44370
    CAS Number:
    16152-10-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09832971
    Molecular Formula:
    C24H17N3
    Molecular Weight:
    347.42
  • Methyl 1,2,4-triazole-3-carboxylate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1,2,4-Triazole-3-carboxylic acid methyl ester
    Catalog Number:
    44371
    CAS Number:
    4928-88-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00135989
    Molecular Formula:
    C4H5N3O2
    Molecular Weight:
    127.1
  • 5-Chlorobenzofuran-2-carboxylic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Chlorocoumarilic acid
    Catalog Number:
    44399
    CAS Number:
    10242-10-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00060512
    Molecular Formula:
    C9H5ClO3
    Molecular Weight:
    196.59
  • 1-Bromodibenzothiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44402
    CAS Number:
    65642-94-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD18451629
    Molecular Formula:
    C12H7BrS
    Molecular Weight:
    263.15
  • 5,7-Dibromo-2,3-dihydrobenzofuran

    Purity:
    ≥ 97% (GC)
    Synonym:
    5,7-Dibromocoumaran
    Catalog Number:
    44400
    CAS Number:
    123266-59-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00191427
    Molecular Formula:
    C8H6Br2O
    Molecular Weight:
    277.94
  • 2-Amino-6-chloro-3-formylchromone

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Amino-6-chlorochromone-3-carboxaldehyde
    Catalog Number:
    44401
    CAS Number:
    68301-77-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00139140
    Molecular Formula:
    C10H6ClNO3
    Molecular Weight:
    223.61
  • 5-Chloro-2-mercaptobenzimidazole

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    5-Chloro-2-benzimidazolethiol
    Catalog Number:
    44383
    CAS Number:
    25369-78-2
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD01658762
    Molecular Formula:
    C7H5ClN2S
    Molecular Weight:
    184.64
  • Catalog Number:
    44384
    CAS Number:
    1087737-96-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD16810292
    Molecular Formula:
    C7H4Cl2N2·HCl
    Molecular Weight:
    223.48
  • 6-Bromobenzimidazole

    Purity:
    ≥ 95% (HPLC)
    Catalog Number:
    44385
    CAS Number:
    4887-88-1
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00460014
    Molecular Formula:
    C7H5BrN2
    Molecular Weight:
    197.04
  • 5-Bromo-2,3-dihydrobenzofuran-7-carboxylic acid

    Purity:
    ≥ 97% (Assay by titration)
    Synonym:
    5-Bromocoumaran-7-carboxylic acid
    Catalog Number:
    44395
    CAS Number:
    41177-72-4
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00191391
    Molecular Formula:
    C9H7BrO3
    Molecular Weight:
    243.06
  • 5-Chlorobenzimidazole

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    44387
    CAS Number:
    4887-82-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00059698
    Molecular Formula:
    C7H5ClN2
    Molecular Weight:
    152.58
  • 2,3-Dibromobenzo[b]thiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44403
    CAS Number:
    6287-82-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD06798119
    Molecular Formula:
    C8H4Br2S
    Molecular Weight:
    291.99
  • 2,8-Diiododibenzofuran

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44393
    CAS Number:
    5943-11-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00094363
    Molecular Formula:
    C12H6I2O
    Molecular Weight:
    419.99
  • 4-(1,2,4-Triazol-1-ylmethyl)aniline

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-(4-Aminobenzyl)-1,2,4-triazole
    Catalog Number:
    44367
    CAS Number:
    119192-10-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00973306
    Molecular Formula:
    C9H10N4
    Molecular Weight:
    174.21
  • 5-Bromo-2,3-dihydrobenzofuran

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromocoumaran
    Catalog Number:
    44398
    CAS Number:
    66826-78-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02677716
    Molecular Formula:
    C8H7BrO
    Molecular Weight:
    199.05
  • 2-Bromobenzimidazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44386
    CAS Number:
    54624-57-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00160009
    Molecular Formula:
    C7H5BrN2
    Molecular Weight:
    197.04
  • 2-(2-Bromophenyl)-1H-benzimidazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(2-Bromophenyl)-1H-1,3-benzodiazole
    Catalog Number:
    44388
    CAS Number:
    13275-42-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00449969
    Molecular Formula:
    C13H9BrN2
    Molecular Weight:
    273.13
  • Catalog Number:
    44390
    CAS Number:
    3237-62-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00022843
    Molecular Formula:
    C10H10Cl2N2
    Molecular Weight:
    229.1
  • Catalog Number:
    44389
    CAS Number:
    760212-42-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD29089366
    Molecular Formula:
    C19H13IN2
    Molecular Weight:
    396.23
  • 2-Bromomethyl-1,4-benzodioxane

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44392
    CAS Number:
    2164-34-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00044831
    Molecular Formula:
    C9H9BrO2
    Molecular Weight:
    229.07
  • Catalog Number:
    44365
    CAS Number:
    45534-08-5
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00005232
    Molecular Formula:
    C3H6N4S
    Molecular Weight:
    130.17
  • 5-Chloro-2-methylbenzimidazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44382
    CAS Number:
    2818-69-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00014559
    Molecular Formula:
    C8H7ClN2
    Molecular Weight:
    166.61
  • 1-(2-Chloroethyl)-1H-hexahydroazepine hydrochloride

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    1-(2-Chloroethyl)hexamethyleneimine hydrochloride
    Catalog Number:
    44377
    CAS Number:
    26487-67-2
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00012842
    Molecular Formula:
    C8H16ClN·HCl
    Molecular Weight:
    198.13