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Heterocyclic Building Blocks

3723
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  • 1,3,6,8-Tetranitrocarbazole (wetted with ca. 40% Water) (unit weight on dry weight basis)

    Hazmat
    Purity:
    ≥ 97% (Assay by titration)
    Hazmat
    Catalog Number:
    42727
    CAS Number:
    4543-33-3
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00022211
    Molecular Formula:
    C12H5N5O8
    Molecular Weight:
    347.2
    Specification Sheet SDS

  • 4-(9H-Carbazol-9-yl)aniline

    Purity:
    ≥ 98% (GC)
    Synonym:
    9-(4-Aminophenyl)carbazole
    Catalog Number:
    42725
    CAS Number:
    52708-37-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00626047
    Molecular Formula:
    C18H14N2
    Molecular Weight:
    258.32
    Specification Sheet SDS

  • 9-(p-Tolyl)carbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42717
    CAS Number:
    19264-73-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD14708175
    Molecular Formula:
    C19H15N
    Molecular Weight:
    257.34
    Specification Sheet SDS

  • 1,2,3,4-Tetrahydrocarbazol-4-one

    Purity:
    ≥ 98% (GC)
    Synonym:
    1,2,3,4-Tetrahydro-4-oxocarbazole
    Catalog Number:
    42718
    CAS Number:
    15128-52-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00173749
    Molecular Formula:
    C12H11NO
    Molecular Weight:
    185.23
    Specification Sheet SDS

  • 4-(3,6-Di-tert-butyl-9H-carbazol-9-yl)aniline

    Purity:
    ≥ 98% (GC)
    Synonym:
    3,6-Di-tert-butyl-9-(4-aminophenyl)carbazole
    Catalog Number:
    42714
    CAS Number:
    255829-30-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD32062891
    Molecular Formula:
    C26H30N2
    Molecular Weight:
    370.54
    Specification Sheet SDS

  • 9-Phenylcarbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42723
    CAS Number:
    1150-62-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00004965
    Molecular Formula:
    C18H13N
    Molecular Weight:
    243.31
    Specification Sheet SDS

  • 9-(3-Bromopropyl)carbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42716
    CAS Number:
    84359-61-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD11164489
    Molecular Formula:
    C15H14BrN
    Molecular Weight:
    288.19
    Specification Sheet SDS

  • 9-Acetylcarbazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-(9H-Carbazol-9-yl)ethanone
    Catalog Number:
    42713
    CAS Number:
    574-39-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00087027
    Molecular Formula:
    C14H11NO
    Molecular Weight:
    209.25
    Specification Sheet SDS

  • 4-(9H-Carbazol-9-yl)benzaldehyde

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    9-(4-Formylphenyl)-9H-carbazole
    Catalog Number:
    42719
    CAS Number:
    110677-45-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD19441374
    Molecular Formula:
    C19H13NO
    Molecular Weight:
    271.32
    Specification Sheet SDS

  • Dibenzothiophene 5,5-dioxide

    Purity:
    ≥ 98% (GC)
    Synonym:
    Dibenzothiophene sulfone
    Catalog Number:
    42686
    CAS Number:
    1016-05-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00004970
    Molecular Formula:
    C12H8O2S
    Molecular Weight:
    216.25
    Specification Sheet SDS

  • 3-Methyl-9H-carbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42710
    CAS Number:
    4630-20-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00464338
    Molecular Formula:
    C13H11N
    Molecular Weight:
    181.24
    Specification Sheet SDS

  • 2-(2-Hydroxyphenyl)-4H-1,3-benzoxazin-4-one

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(2-Hydroxyphenyl)-4H-benzo[e][1,3]oxazin-4-one
    Catalog Number:
    42707
    CAS Number:
    1218-69-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02234511
    Molecular Formula:
    C14H9NO3
    Molecular Weight:
    239.23
    Specification Sheet SDS

  • Ethyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    2-Amino-3-carbethoxy-4,5-tetramethylenethiophene
    Catalog Number:
    42687
    CAS Number:
    4506-71-2
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00005862
    Molecular Formula:
    C11H15NO2S
    Molecular Weight:
    225.31
    Specification Sheet SDS

  • 11,12-Dihydro-11-phenylindolo[2,3-a]carbazole

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    11-Phenylindolo[2,3-a]carbazole
    Catalog Number:
    42711
    CAS Number:
    1024598-06-8
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD22581305
    Molecular Formula:
    C24H16N2
    Molecular Weight:
    332.41
    Specification Sheet SDS

  • 3,6-Diethynylcarbazole

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    42715
    CAS Number:
    909342-65-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD24553219
    Molecular Formula:
    C16H9N
    Molecular Weight:
    215.26
    Specification Sheet SDS

  • N-Methylisatoic anhydride

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42709
    CAS Number:
    10328-92-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006815
    Molecular Formula:
    C9H7NO3
    Molecular Weight:
    177.16
    Specification Sheet SDS

  • Benzo[b]thiophene-3-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Formylbenzo[b]thiophene
    Catalog Number:
    42695
    CAS Number:
    5381-20-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00052376
    Molecular Formula:
    C9H6OS
    Molecular Weight:
    162.21
    Specification Sheet SDS

  • 1-Methyl-9H-carbazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Methylcarbazole
    Catalog Number:
    42712
    CAS Number:
    6510-65-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD18450170
    Molecular Formula:
    C13H11N
    Molecular Weight:
    181.24
    Specification Sheet SDS

  • 1-Aminobenzotriazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Benzotriazolamine
    Catalog Number:
    42698
    CAS Number:
    1614-12-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00132902
    Molecular Formula:
    C6H6N4
    Molecular Weight:
    134.14
    Specification Sheet SDS

  • 1-Methyl-1H-benzotriazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42699
    CAS Number:
    13351-73-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00014572
    Molecular Formula:
    C7H7N3
    Molecular Weight:
    133.15
    Specification Sheet SDS

  • 5-Methyl-1H-benzotriazole

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    5-Methylbenzotriazole
    Catalog Number:
    42700
    CAS Number:
    136-85-6
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00005702
    Molecular Formula:
    C7H7N3
    Molecular Weight:
    133.15
    Specification Sheet SDS

  • 2-Aminobenzotriazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Benzotriazolamine
    Catalog Number:
    42697
    CAS Number:
    1614-11-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00724002
    Molecular Formula:
    C6H6N4
    Molecular Weight:
    134.14
    Specification Sheet SDS

  • 5,6-Dimethyl-1,2,3-benzotriazole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    5,6-Dimethylazimidobenzene
    Catalog Number:
    42706
    CAS Number:
    4184-79-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005703
    Molecular Formula:
    C8H9N3
    Molecular Weight:
    147.18
    Specification Sheet SDS

  • Phenoxazine

    Purity:
    ≥ 99% (NMR)
    Catalog Number:
    42708
    CAS Number:
    135-67-1
    Purity Limit:
    ≥ 99% (NMR)
    MDL NO:
    MFCD00005014
    Molecular Formula:
    C12H9NO
    Molecular Weight:
    183.21
    Specification Sheet SDS

  • Methyl-1H-benzotriazole (mixture)

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42703
    CAS Number:
    29385-43-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00167158
    Molecular Formula:
    C7H7N3
    Molecular Weight:
    133.15
    Specification Sheet SDS

  • Benzo[b]thiophene

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Thionaphthene
    Hazmat
    Catalog Number:
    42691
    CAS Number:
    95-15-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005864
    Molecular Formula:
    C8H6S
    Molecular Weight:
    134.2
    Specification Sheet SDS

  • 7-Hydroxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine

    Synonym:
    5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol
    Catalog Number:
    42702
    CAS Number:
    2503-56-2
    MDL NO:
    MFCD00005555
    Molecular Formula:
    C6H6N4O
    Molecular Weight:
    150.14
    Specification Sheet SDS

  • Benzo[b]thiophene-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    42696
    CAS Number:
    6314-28-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00051636
    Molecular Formula:
    C9H6O2S
    Molecular Weight:
    178.21
    Specification Sheet SDS

  • 1H-1,2,3-Triazolo[4,5-b]pyridine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Azabenzotriazole
    Catalog Number:
    42701
    CAS Number:
    273-34-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00134183
    Molecular Formula:
    C5H4N4
    Molecular Weight:
    120.12
    Specification Sheet SDS

  • Benzo[b]thiophene-2-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Formylbenzo[b]thiophene
    Catalog Number:
    42694
    CAS Number:
    3541-37-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01075041
    Molecular Formula:
    C9H6OS
    Molecular Weight:
    162.21
    Specification Sheet SDS

  • 3-Methylbenzo[b]thiophene

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    42688
    CAS Number:
    1455-18-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00040243
    Molecular Formula:
    C9H8S
    Molecular Weight:
    148.22
    Specification Sheet SDS

  • 7-Hydroxyflavanone

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    42681
    CAS Number:
    6515-36-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00017487
    Molecular Formula:
    C15H12O3
    Molecular Weight:
    240.26
    Specification Sheet SDS

  • 6-Methoxy-4-chromanone

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    42677
    CAS Number:
    5802-17-5
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00190159
    Molecular Formula:
    C10H10O3
    Molecular Weight:
    178.19
    Specification Sheet SDS

  • 2-Acetylbenzo[b]thiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    42690
    CAS Number:
    22720-75-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00090217
    Molecular Formula:
    C10H8OS
    Molecular Weight:
    176.23
    Specification Sheet SDS

  • Benzo[b]thiophene-2-methanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(Hydroxymethyl)benzo[b]thiophene
    Catalog Number:
    42693
    CAS Number:
    17890-56-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02682004
    Molecular Formula:
    C9H8OS
    Molecular Weight:
    164.22
    Specification Sheet SDS

  • 2-(2-Pyridyl)benzo[b]thiophene

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    2-[Benzo[b]thiophen-2-yl]pyridine
    Catalog Number:
    42692
    CAS Number:
    38210-35-4
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD08457652
    Molecular Formula:
    C13H9NS
    Molecular Weight:
    211.28
    Specification Sheet SDS

  • 3-Hydroxy-6-methoxyflavone

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42674
    CAS Number:
    93176-00-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00017639
    Molecular Formula:
    C16H12O4
    Molecular Weight:
    268.27
    Specification Sheet SDS

  • 2-Methylbenzo[b]thiophene

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Methylthianaphthene
    Catalog Number:
    42689
    CAS Number:
    1195-14-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00216250
    Molecular Formula:
    C9H8S
    Molecular Weight:
    148.22
    Specification Sheet SDS

  • 3-Formyl-6-methoxychromone

    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Methoxychromone-3-carboxaldehyde
    Catalog Number:
    42683
    CAS Number:
    42059-79-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02683011
    Molecular Formula:
    C11H8O4
    Molecular Weight:
    204.18
    Specification Sheet SDS

  • 6,7-Dihydro-4-benzo[b]thiophenone

    Purity:
    ≥ 95% (GC)
    Synonym:
    4-Oxo-4,5,6,7-tetrahydrothianaphthene
    Catalog Number:
    42685
    CAS Number:
    13414-95-4
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00005861
    Molecular Formula:
    C8H8OS
    Molecular Weight:
    152.21
    Specification Sheet SDS

  • Isochroman

    Purity:
    ≥ 98% (GC)
    Synonym:
    3,4-Dihydro-1H-2-benzopyran
    Catalog Number:
    42682
    CAS Number:
    493-05-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006913
    Molecular Formula:
    C9H10O
    Molecular Weight:
    134.18
    Specification Sheet SDS

  • 2,8-Dimethyldibenzothiophene

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    42684
    CAS Number:
    1207-15-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00191350
    Molecular Formula:
    C14H12S
    Molecular Weight:
    212.31
    Specification Sheet SDS

  • 4'-Methoxyflavone

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42675
    CAS Number:
    4143-74-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00016934
    Molecular Formula:
    C16H12O3
    Molecular Weight:
    252.27
    Specification Sheet SDS

  • Xanthene

    Purity:
    ≥ 98% (GC)
    Synonym:
    Dibenzopyran
    Catalog Number:
    42672
    CAS Number:
    92-83-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005055
    Molecular Formula:
    C13H10O
    Molecular Weight:
    182.22
    Specification Sheet SDS

  • Flavanone

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,3-Dihydro-2-phenyl-4H-benzopyran-4-one
    Catalog Number:
    42680
    CAS Number:
    487-26-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006841
    Molecular Formula:
    C15H12O2
    Molecular Weight:
    224.26
    Specification Sheet SDS

  • Chromone-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Oxo-4H-1-benzopyran-2-carboxylic acid
    Catalog Number:
    42678
    CAS Number:
    4940-39-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006838
    Molecular Formula:
    C10H6O4
    Molecular Weight:
    190.15
    Specification Sheet SDS

  • 6-Methoxyflavone

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    42676
    CAS Number:
    26964-24-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00017322
    Molecular Formula:
    C16H12O3
    Molecular Weight:
    252.27
    Specification Sheet SDS

  • 2'-Hydroxyflavanone

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    42679
    CAS Number:
    17348-76-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00017702
    Molecular Formula:
    C15H12O3
    Molecular Weight:
    240.26
    Specification Sheet SDS

  • 6-Hydroxyflavone

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    42673
    CAS Number:
    6665-83-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00017329
    Molecular Formula:
    C15H10O3
    Molecular Weight:
    238.24
    Specification Sheet SDS

  • Chromone-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Oxo-4H-1-benzopyran-3-carboxylic acid
    Catalog Number:
    42665
    CAS Number:
    39079-62-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00017338
    Molecular Formula:
    C10H6O4
    Molecular Weight:
    190.15
    Specification Sheet SDS
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