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Heterocyclic Building Blocks

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  • Pyrrole-3-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Formylpyrrole
    Catalog Number:
    43780
    CAS Number:
    7126-39-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03426733
    Molecular Formula:
    C5H5NO
    Molecular Weight:
    95.1
    Specification Sheet SDS

  • 1-Ethylpyrrole

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43763
    CAS Number:
    617-92-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00060633
    Molecular Formula:
    C6H9N
    Molecular Weight:
    95.15
    Specification Sheet SDS

  • 1-n-Octylpyrrole

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    43771
    CAS Number:
    50966-65-9
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00191473
    Molecular Formula:
    C12H21N
    Molecular Weight:
    179.31
    Specification Sheet SDS

  • 2-Acetylpyrrole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43778
    CAS Number:
    1072-83-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005220
    Molecular Formula:
    C6H7NO
    Molecular Weight:
    109.13
    Specification Sheet SDS

  • 1-Phenylpyrrole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43761
    CAS Number:
    635-90-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005343
    Molecular Formula:
    C10H9N
    Molecular Weight:
    143.19
    Specification Sheet SDS

  • Pyrrole

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Divinylenimine
    Hazmat
    Catalog Number:
    43777
    CAS Number:
    109-97-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005216
    Molecular Formula:
    C4H5N
    Molecular Weight:
    67.09
    Specification Sheet SDS

  • 1-(p-Toluenesulfonyl)pyrrole

    Purity:
    ≥ 99% (GC)
    Synonym:
    1-Tosylpyrrole
    Catalog Number:
    43773
    CAS Number:
    17639-64-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00145014
    Molecular Formula:
    C11H11NO2S
    Molecular Weight:
    221.27
    Specification Sheet SDS

  • 2,5-Di(2-thienyl)-1H-pyrrole

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    43775
    CAS Number:
    89814-62-0
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD03931087
    Molecular Formula:
    C12H9NS2
    Molecular Weight:
    231.33
    Specification Sheet SDS

  • 2-Ethylpyrrole

    Purity:
    ≥ 96% (GC)
    Catalog Number:
    43759
    CAS Number:
    1551-06-0
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00060477
    Molecular Formula:
    C6H9N
    Molecular Weight:
    95.15
    Specification Sheet SDS

  • 1-(3-Hydroxypropyl)pyrrole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43770
    CAS Number:
    50966-69-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00191453
    Molecular Formula:
    C7H11NO
    Molecular Weight:
    125.17
    Specification Sheet SDS

  • 1-Methyl-2-pyrrolecarboxylic acid

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43766
    CAS Number:
    6973-60-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00003088
    Molecular Formula:
    C6H7NO2
    Molecular Weight:
    125.13
    Specification Sheet SDS

  • Methyl 1-methylpyrrole-2-acetate

    Purity:
    ≥ 97% (GC)
    Synonym:
    1-Methylpyrrole-2-acetic acid methyl ester
    Catalog Number:
    43772
    CAS Number:
    51856-79-2
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00009752
    Molecular Formula:
    C8H11NO2
    Molecular Weight:
    153.18
    Specification Sheet SDS

  • 1-Methylpyrrole-2-carbonitrile

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Cyano-1-methylpyrrole
    Catalog Number:
    43774
    CAS Number:
    34884-10-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02693721
    Molecular Formula:
    C6H6N2
    Molecular Weight:
    106.13
    Specification Sheet SDS

  • 1-(4-Nitrophenyl)pyrrole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43768
    CAS Number:
    4533-42-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00119340
    Molecular Formula:
    C10H8N2O2
    Molecular Weight:
    188.19
    Specification Sheet SDS

  • 1-(p-Toluenesulfonyl)pyrrole-2-carboxaldehyde

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    1-(p-Toluenesulfonyl)pyrrole-2-aldehyde
    Catalog Number:
    43765
    CAS Number:
    102619-05-6
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00671580
    Molecular Formula:
    C12H11NO3S
    Molecular Weight:
    249.28
    Specification Sheet SDS

  • 1-Benzylpyrrole

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43764
    CAS Number:
    2051-97-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00963301
    Molecular Formula:
    C11H11N
    Molecular Weight:
    157.22
    Specification Sheet SDS

  • 2,5-Dimethyl-1-phenylpyrrole

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Phenyl-2,5-dimethylpyrrole
    Catalog Number:
    43762
    CAS Number:
    83-24-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00022464
    Molecular Formula:
    C12H13N
    Molecular Weight:
    171.24
    Specification Sheet SDS

  • Ethyl 4-nitropyrrole-2-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Nitropyrrole-2-carboxylic acid ethyl ester
    Catalog Number:
    43758
    CAS Number:
    5930-92-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00059927
    Molecular Formula:
    C7H8N2O4
    Molecular Weight:
    184.15
    Specification Sheet SDS

  • 1-(4-Cyanophenyl)-2,5-dimethylpyrrole

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2,5-Dimethyl-1-(4-cyanophenyl)pyrrole
    Hazmat
    Catalog Number:
    43760
    CAS Number:
    119516-86-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03228548
    Molecular Formula:
    C13H12N2
    Molecular Weight:
    196.25
    Specification Sheet SDS

  • 1-Methyl-2-pyrrolecarboxaldehyde

    Purity:
    ≥ 97% (GC)
    Synonym:
    2-Formyl-1-methylpyrrole
    Catalog Number:
    43754
    CAS Number:
    1192-58-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00003087
    Molecular Formula:
    C6H7NO
    Molecular Weight:
    109.13
    Specification Sheet SDS

  • 2-Benzoylpyrrole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43757
    CAS Number:
    7697-46-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00094048
    Molecular Formula:
    C11H9NO
    Molecular Weight:
    171.2
    Specification Sheet SDS

  • Ethyl pyrrole-2-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Pyrrole-2-carboxylic acid ethyl ester
    Catalog Number:
    43753
    CAS Number:
    2199-43-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00817049
    Molecular Formula:
    C7H9NO2
    Molecular Weight:
    139.15
    Specification Sheet SDS

  • 4-Amino-5-aminomethyl-2-methylpyrimidine

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Grewe diamine
    Catalog Number:
    43738
    CAS Number:
    95-02-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00078880
    Molecular Formula:
    C6H10N4
    Molecular Weight:
    138.17
    Specification Sheet SDS

  • 1-Octadecylpyrrole

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    43756
    CAS Number:
    89601-24-1
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00144990
    Molecular Formula:
    C22H41N
    Molecular Weight:
    319.58
    Specification Sheet SDS

  • 4,5-Diamino-6-hydroxypyrimidine

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    5,6-Diamino-4(1H-pyrimidinone
    Catalog Number:
    43751
    CAS Number:
    1672-50-0
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD00006114
    Molecular Formula:
    C4H6N4O
    Molecular Weight:
    126.12
    Specification Sheet SDS

  • Thieno[2,3-d]pyrimidin-4(1H)-one

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3,4-Dihydro-4-oxothieno[2,3-d]pyrimidine
    Catalog Number:
    43750
    CAS Number:
    14080-50-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00706456
    Molecular Formula:
    C6H4N2OS
    Molecular Weight:
    152.17
    Specification Sheet SDS

  • 5,6-Diamino-1-methyluracil

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43752
    CAS Number:
    6972-82-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00091924
    Molecular Formula:
    C5H8N4O2
    Molecular Weight:
    156.15
    Specification Sheet SDS

  • Ethyl 2,4-dimethylpyrrole-3-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,4-Dimethylpyrrole-3-carboxylic acid ethyl ester
    Catalog Number:
    43755
    CAS Number:
    2199-51-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01365811
    Molecular Formula:
    C9H13NO2
    Molecular Weight:
    167.21
    Specification Sheet SDS

  • 4,5-Diaminopyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43744
    CAS Number:
    13754-19-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006113
    Molecular Formula:
    C4H6N4
    Molecular Weight:
    110.12
    Specification Sheet SDS

  • 6-Amino-1-methyluracil

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43749
    CAS Number:
    2434-53-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00075366
    Molecular Formula:
    C5H7N3O2
    Molecular Weight:
    141.13
    Specification Sheet SDS

  • 2,4-Diaminopyrimidine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2,4-Pyrimidinediamine
    Catalog Number:
    43743
    CAS Number:
    156-81-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00038023
    Molecular Formula:
    C4H6N4
    Molecular Weight:
    110.12
    Specification Sheet SDS

  • 2,4-Diamino-6-methoxypyrimidine

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43747
    CAS Number:
    3270-97-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02091088
    Molecular Formula:
    C5H8N4O
    Molecular Weight:
    140.15
    Specification Sheet SDS

  • 4,6-Dimethyl-2-hydroxypyrimidine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4,6-Dimethyl-2-pyrimidinol
    Catalog Number:
    43748
    CAS Number:
    108-79-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00006072
    Molecular Formula:
    C6H8N2O
    Molecular Weight:
    124.14
    Specification Sheet SDS

  • 4,6-Dimethyl-2-mercaptopyrimidine

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    4,6-Dimethylpyrimidine-2-thiol
    Catalog Number:
    43745
    CAS Number:
    22325-27-5
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00006079
    Molecular Formula:
    C6H8N2S
    Molecular Weight:
    140.2
    Specification Sheet SDS

  • 4,6-Dimethyl-2-hydroxypyrimidine hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4,6-Dimethyl-2-pyrimidinol hydrochloride
    Catalog Number:
    43740
    CAS Number:
    34289-60-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00035312
    Molecular Formula:
    C6H8N2O·HCl
    Molecular Weight:
    160.6
    Specification Sheet SDS

  • [4-Chloro-6-(2,3-xylidino)-2-pyrimidinylthio]acetic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Pirinixic acid
    Catalog Number:
    43735
    CAS Number:
    50892-23-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00191335
    Molecular Formula:
    C14H14ClN3O2S
    Molecular Weight:
    323.8
    Specification Sheet SDS

  • 4,6-Dimethylpyrimidine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43742
    CAS Number:
    1558-17-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006116
    Molecular Formula:
    C6H8N2
    Molecular Weight:
    108.14
    Specification Sheet SDS

  • 5-Cyanouracil

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2,4-Dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile
    Catalog Number:
    43746
    CAS Number:
    4425-56-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00051958
    Molecular Formula:
    C5H3N3O2
    Molecular Weight:
    137.1
    Specification Sheet SDS

  • 2-Amino-4-hydroxy-6-methylpyrimidine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Amino-6-methyl-4-pyrimidinol
    Catalog Number:
    43739
    CAS Number:
    3977-29-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006095
    Molecular Formula:
    C5H7N3O
    Molecular Weight:
    125.13
    Specification Sheet SDS

  • 2,4,6-Trimethoxypyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43736
    CAS Number:
    13106-85-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00829225
    Molecular Formula:
    C7H10N2O3
    Molecular Weight:
    170.17
    Specification Sheet SDS

  • 2,4,6-Triaminopyrimidine

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43741
    CAS Number:
    1004-38-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006100
    Molecular Formula:
    C4H7N5
    Molecular Weight:
    125.14
    Specification Sheet SDS

  • 5-Acetyluracil

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Acetyl-1H-pyrimidine-2,4-dione
    Catalog Number:
    43734
    CAS Number:
    6214-65-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00151968
    Molecular Formula:
    C6H6N2O3
    Molecular Weight:
    154.13
    Specification Sheet SDS

  • Pyrimidine free base

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43737
    CAS Number:
    289-95-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006059
    Molecular Formula:
    C4H4N2
    Molecular Weight:
    80.09
    Specification Sheet SDS

  • 2,4,5-Triamino-6-hydroxypyrimidine sulfate hydrate

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    43732
    CAS Number:
    35011-47-3
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00012785
    Molecular Formula:
    C4H7N5O·H2SO4·xH2O
    Molecular Weight:
    239.21
    Specification Sheet SDS

  • 4-Amino-2-dimethylamino-6-hydroxypyrimidine hemihydrate

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    6-Amino-2-dimethylamino-4-pyrimidinol hemihydrate
    Catalog Number:
    43725
    CAS Number:
    76750-84-0
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00090845
    Molecular Formula:
    C6H10N4O·0.5H2O
    Molecular Weight:
    163.18
    Specification Sheet SDS

  • 2,5-Diamino-4,6-dihydroxypyrimidine hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2,5-Diamino-6-hydroxy-4(1H)-pyrimidinone hydrochloride
    Catalog Number:
    43733
    CAS Number:
    56830-58-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00082893
    Molecular Formula:
    C4H6N4O2·HCl
    Molecular Weight:
    178.58
    Specification Sheet SDS

  • Ethyl pyrimidine-4-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Pyrimidine-4-carboxylic acid ethyl ester
    Catalog Number:
    43723
    CAS Number:
    62846-82-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09832999
    Molecular Formula:
    C7H8N2O2
    Molecular Weight:
    152.15
    Specification Sheet SDS

  • 4-Methoxypyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43729
    CAS Number:
    6104-41-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD12405815
    Molecular Formula:
    C5H6N2O
    Molecular Weight:
    110.12
    Specification Sheet SDS

  • 2,4,6-Tri-tert-butylpyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43728
    CAS Number:
    67490-21-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03094045
    Molecular Formula:
    C16H28N2
    Molecular Weight:
    248.41
    Specification Sheet SDS

  • 4,6-Dimethoxypyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43697
    CAS Number:
    5270-94-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00955844
    Molecular Formula:
    C6H8N2O2
    Molecular Weight:
    140.14
    Specification Sheet SDS
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