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Heterocyclic Building Blocks

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  • 2-Furamide

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Furancarboxamide
    Catalog Number:
    42805
    CAS Number:
    609-38-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00236147
    Molecular Formula:
    C5H5NO2
    Molecular Weight:
    111.1
    Specification Sheet SDS

  • Difurfuryl disulfide

    Purity:
    ≥ 95% (GC)
    Synonym:
    Furfuryl disulfide
    Catalog Number:
    42803
    CAS Number:
    4437-20-1
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00010082
    Molecular Formula:
    C10H10O2S2
    Molecular Weight:
    226.31
    Specification Sheet SDS

  • 5-Nitro-2-furaldehyde diacetate

    Purity:
    ≥ 99% (GC)
    Synonym:
    2-(Diacetoxymethyl)-5-nitrofuran
    Catalog Number:
    42797
    CAS Number:
    92-55-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00003244
    Molecular Formula:
    C9H9NO7
    Molecular Weight:
    243.17
    Specification Sheet SDS

  • 6,7-Bis(benzyloxy)coumarin

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    42784
    CAS Number:
    909-84-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00016975
    Molecular Formula:
    C23H18O4
    Molecular Weight:
    358.39
    Specification Sheet SDS

  • Tetrahydrofurfuryl propionate

    Purity:
    ≥ 97% (GC)
    Synonym:
    Propionic acid tetrahydrofurfuryl ester
    Catalog Number:
    42799
    CAS Number:
    637-65-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00047080
    Molecular Formula:
    C8H14O3
    Molecular Weight:
    158.2
    Specification Sheet SDS

  • Ethyl tetrahydrofuran-2-acetate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Tetrahydrofuran-2-acetic acid ethyl ester
    Catalog Number:
    42794
    CAS Number:
    2434-02-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00059735
    Molecular Formula:
    C8H14O3
    Molecular Weight:
    158.2
    Specification Sheet SDS

  • Tetrahydrofuran-2-carboxylic acid

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Tetrahydrofuroic acid
    Hazmat
    Catalog Number:
    42798
    CAS Number:
    16874-33-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00022473
    Molecular Formula:
    C5H8O3
    Molecular Weight:
    116.12
    Specification Sheet SDS

  • 5-Hydroxymethyl-2-furaldehyde (stabilized with Water)

    Purity:
    ≥ 95% (GC)
    Synonym:
    5-(Hydroxymethyl)furfural (stabilized with water)
    Catalog Number:
    42796
    CAS Number:
    67-47-0
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00003234
    Molecular Formula:
    C6H6O3
    Molecular Weight:
    126.11
    Specification Sheet SDS

  • 3-(Aminomethyl)tetrahydrofuran

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    (Tetrahydrofuran-3-yl)methanamine
    Hazmat
    Catalog Number:
    42795
    CAS Number:
    165253-31-6
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD08234925
    Molecular Formula:
    C5H11NO
    Molecular Weight:
    101.15
    Specification Sheet SDS

  • 3-Chloro-7-hydroxy-4-methylcoumarin

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    3-Chloro-4-methylumbelliferone
    Catalog Number:
    42791
    CAS Number:
    6174-86-3
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00006851
    Molecular Formula:
    C10H7ClO3
    Molecular Weight:
    210.61
    Specification Sheet SDS

  • 4-Carboxymethyl-6,7-methylenedioxycoumarin

    Purity:
    ≥ 95% (Assay by titration)
    Catalog Number:
    42783
    CAS Number:
    97744-77-9
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD00143278
    Molecular Formula:
    C12H8O6
    Molecular Weight:
    248.19
    Specification Sheet SDS

  • Ethyl 7-(Diethylamino)coumarin-3-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    7-(Diethylamino)coumarin-3-carboxylic acid ethyl ester
    Catalog Number:
    42787
    CAS Number:
    28705-46-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00227484
    Molecular Formula:
    C16H19NO4
    Molecular Weight:
    289.33
    Specification Sheet SDS

  • 7-Ethynylcoumarin

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42793
    CAS Number:
    270088-04-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD28668960
    Molecular Formula:
    C11H6O2
    Molecular Weight:
    170.17
    Specification Sheet SDS

  • 7-Methylcoumarin

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    7-Methylcumarin
    Catalog Number:
    42786
    CAS Number:
    2445-83-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006880
    Molecular Formula:
    C10H8O2
    Molecular Weight:
    160.17
    Specification Sheet SDS

  • 4-Ethoxycoumarin

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42790
    CAS Number:
    35817-27-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00052755
    Molecular Formula:
    C11H10O3
    Molecular Weight:
    190.2
    Specification Sheet SDS

  • 7-(Diethylamino)coumarin-3-carbonitrile

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-Cyano-7-(diethylamino)coumarin
    Catalog Number:
    42782
    CAS Number:
    51473-74-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00068688
    Molecular Formula:
    C14H14N2O2
    Molecular Weight:
    242.28
    Specification Sheet SDS

  • 7-Methoxy-4-methylcoumarin

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42775
    CAS Number:
    2555-28-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00009773
    Molecular Formula:
    C11H10O3
    Molecular Weight:
    190.2
    Specification Sheet SDS

  • 7-(Ethylamino)-4-methylcoumarin

    Purity:
    ≥ 98% (GC)
    Synonym:
    Coumarin 445
    Catalog Number:
    42788
    CAS Number:
    28821-18-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00467040
    Molecular Formula:
    C12H13NO2
    Molecular Weight:
    203.24
    Specification Sheet SDS

  • 2,7-Bis(9H-carbazol-9-yl)-9,9-dimethylfluorene

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    9,9'-(9,9-Dimethyl-9H-fluorene-2,7-diyl)bis(9H-carbazole)
    Catalog Number:
    42755
    CAS Number:
    226958-06-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD12022460
    Molecular Formula:
    C39H28N2
    Molecular Weight:
    524.67
    Specification Sheet SDS

  • 7-(Ethylamino)-4,6-dimethylcoumarin

    Purity:
    ≥ 98% (GC)
    Synonym:
    Coumarin 2
    Catalog Number:
    42785
    CAS Number:
    26078-25-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006860
    Molecular Formula:
    C13H15NO2
    Molecular Weight:
    217.27
    Specification Sheet SDS

  • 3-Acetamidocoumarin

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42772
    CAS Number:
    779-30-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00075556
    Molecular Formula:
    C11H9NO3
    Molecular Weight:
    203.2
    Specification Sheet SDS

  • 7-Amino-4-methylcoumarin-3-acetic acid

    Purity:
    ≥ 95% (Assay by titration)
    Synonym:
    AMCA
    Catalog Number:
    42773
    CAS Number:
    106562-32-7
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD00081051
    Molecular Formula:
    C12H11NO4
    Molecular Weight:
    233.22
    Specification Sheet SDS

  • 6-Hydroxycoumarin

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42774
    CAS Number:
    6093-68-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00630040
    Molecular Formula:
    C9H6O3
    Molecular Weight:
    162.14
    Specification Sheet SDS

  • 2-Oxo-2H-chromen-7-yl trifluoromethanesulfonate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Trifluoromethanesulfonic acid 2-oxo-2H-chromen-7-yl ester
    Catalog Number:
    42779
    CAS Number:
    108530-10-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD18382236
    Molecular Formula:
    C10H5F3O5S
    Molecular Weight:
    294.2
    Specification Sheet SDS

  • 8-Acetyl-7-hydroxy-4-methylcoumarin

    Purity:
    ≥ 98% (GC)
    Synonym:
    8-Acetyl-4-methylumbelliferone
    Catalog Number:
    42777
    CAS Number:
    2555-29-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00100602
    Molecular Formula:
    C12H10O4
    Molecular Weight:
    218.21
    Specification Sheet SDS

  • 4-Methyl-6,7-methylenedioxycoumarin

    Purity:
    ≥ 99% (GC)
    Synonym:
    4-Methylayapin
    Catalog Number:
    42776
    CAS Number:
    15071-04-2
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00143343
    Molecular Formula:
    C11H8O4
    Molecular Weight:
    204.18
    Specification Sheet SDS

  • 4-Methylesculetin

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    6,7-Dihydroxy-4-methylcoumarin
    Catalog Number:
    42771
    CAS Number:
    529-84-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006859
    Molecular Formula:
    C10H8O4
    Molecular Weight:
    192.17
    Specification Sheet SDS

  • Ethyl 7-hydroxycoumarin-3-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    7-Hydroxycoumarin-3-carboxylic acid ethyl ester
    Catalog Number:
    42778
    CAS Number:
    6093-71-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00017641
    Molecular Formula:
    C12H10O5
    Molecular Weight:
    234.21
    Specification Sheet SDS

  • 7,8-Dihydroxy-4-methylcoumarin

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Methyldaphnetin
    Catalog Number:
    42767
    CAS Number:
    2107-77-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00016972
    Molecular Formula:
    C10H8O4
    Molecular Weight:
    192.17
    Specification Sheet SDS

  • 4-Hydroxy-7-methoxycoumarin

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42770
    CAS Number:
    17575-15-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00673700
    Molecular Formula:
    C10H8O4
    Molecular Weight:
    192.17
    Specification Sheet SDS

  • 7-(Dimethylamino)-4-methylcoumarin

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    42768
    CAS Number:
    87-01-4
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00006862
    Molecular Formula:
    C12H13NO2
    Molecular Weight:
    203.24
    Specification Sheet SDS

  • 3,6-Dihydroxyflavone

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3,6-Dihydroxy-2-phenylchromone
    Catalog Number:
    42769
    CAS Number:
    108238-41-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00143082
    Molecular Formula:
    C15H10O4
    Molecular Weight:
    254.24
    Specification Sheet SDS

  • 4-Hydroxycarbazole

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    9H-Carbazol-4-ol
    Catalog Number:
    42758
    CAS Number:
    52602-39-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02178385
    Molecular Formula:
    C12H9NO
    Molecular Weight:
    183.21
    Specification Sheet SDS

  • 3-Azido-7-hydroxycoumarin

    Purity:
    ≥ 95% (NMR)
    Synonym:
    3-Azido-7-hydroxy-2H-chromen-2-one
    Catalog Number:
    42766
    CAS Number:
    817638-68-9
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD12924840
    Molecular Formula:
    C9H5N3O3
    Molecular Weight:
    203.16
    Specification Sheet SDS

  • 6-Methoxy-4-methylcoumarin

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42765
    CAS Number:
    6295-35-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00635101
    Molecular Formula:
    C11H10O3
    Molecular Weight:
    190.2
    Specification Sheet SDS

  • 5-Methylumbelliferone

    Purity:
    ≥ 95% (GC)
    Synonym:
    7-Hydroxy-5-methylcoumarin
    Catalog Number:
    42764
    CAS Number:
    7249-26-5
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00488356
    Molecular Formula:
    C10H8O3
    Molecular Weight:
    176.17
    Specification Sheet SDS

  • 6,7-Dihydroxycoumarin-3-carboxylic acid

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42761
    CAS Number:
    84738-35-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD18450959
    Molecular Formula:
    C10H6O6
    Molecular Weight:
    222.15
    Specification Sheet SDS

  • 4-Methylcoumarin

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42762
    CAS Number:
    607-71-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00185474
    Molecular Formula:
    C10H8O2
    Molecular Weight:
    160.17
    Specification Sheet SDS

  • 9-(1H-Benzotriazol-1-ylmethyl)-9H-carbazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    42751
    CAS Number:
    124337-34-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00216631
    Molecular Formula:
    C19H14N4
    Molecular Weight:
    298.35
    Specification Sheet SDS

  • 9-Benzylcarbazole-3-carboxaldehyde

    Purity:
    ≥ 97%
    Synonym:
    9-Benzyl-3-formylcarbazole
    Catalog Number:
    42750
    CAS Number:
    54117-37-2
    Purity Limit:
    ≥ 97%
    MDL NO:
    MFCD00403522
    Molecular Formula:
    C20H15NO
    Molecular Weight:
    285.35
    Specification Sheet SDS

  • 1,2,3,4-Tetrahydro-9-methylcarbazol-4-one

    Purity:
    ≥ 98% (GC)
    Synonym:
    1,2,3,4-Tetrahydro-9-methyl-4-oxocarbazole
    Catalog Number:
    42759
    CAS Number:
    27387-31-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00173748
    Molecular Formula:
    C13H13NO
    Molecular Weight:
    199.25
    Specification Sheet SDS

  • 9-Benzylcarbazole-3,6-dicarboxaldehyde

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    9-Benzyl-3,6-diformylcarbazole
    Catalog Number:
    42752
    CAS Number:
    200698-05-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD08276316
    Molecular Formula:
    C21H15NO2
    Molecular Weight:
    313.36
    Specification Sheet SDS

  • 4,7-Dihydroxycoumarin

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    42763
    CAS Number:
    1983-81-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00203882
    Molecular Formula:
    C9H6O4
    Molecular Weight:
    178.14
    Specification Sheet SDS

  • 9-Ethylcarbazole-3-carboxaldehyde N-butyl-N-phenylhydrazone

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    9-Ethyl-3-(N-butyl-N-phenylhydrazonomethyl)carbazole
    Catalog Number:
    42756
    CAS Number:
    88107-84-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06797101
    Molecular Formula:
    C25H27N3
    Molecular Weight:
    369.51
    Specification Sheet SDS

  • 6,7-Dimethoxy-4-methylcoumarin

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42760
    CAS Number:
    4281-40-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00012338
    Molecular Formula:
    C12H12O4
    Molecular Weight:
    220.22
    Specification Sheet SDS

  • 9-Phenyl-9H,9'H-2,3'-bicarbazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    42741
    CAS Number:
    1382955-10-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD32062933
    Molecular Formula:
    C30H20N2
    Molecular Weight:
    408.5
    Specification Sheet SDS

  • N-[(9-Ethylcarbazol-3-yl)methylene]-2-methyl-1-indolinylamine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    9-Ethyl-3-[[(2-methyl-1-indolinyl)imino]methyl]carbazole
    Catalog Number:
    42747
    CAS Number:
    94941-30-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06797100
    Molecular Formula:
    C24H23N3
    Molecular Weight:
    353.47
    Specification Sheet SDS

  • 9-Ethylcarbazole-3-carboxaldehyde N-methyl-N-phenylhydrazone

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    9-Ethyl-3-(N-methyl-N-phenylhydrazonomethyl)carbazole
    Catalog Number:
    42757
    CAS Number:
    75232-44-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00799310
    Molecular Formula:
    C22H21N3
    Molecular Weight:
    327.43
    Specification Sheet SDS

  • 1,2,3,4-Tetrahydrocarbazole

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    42748
    CAS Number:
    942-01-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00004959
    Molecular Formula:
    C12H13N
    Molecular Weight:
    171.24
    Specification Sheet SDS

  • 9-Benzylcarbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42753
    CAS Number:
    19402-87-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00218286
    Molecular Formula:
    C19H15N
    Molecular Weight:
    257.34
    Specification Sheet SDS
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