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Heterocyclic Building Blocks

3724

  • 4-Aminoquinoline

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    4-Quinolinamine
    Catalog Number:
    17384
    CAS Number:
    578-68-7
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00463448
    Molecular Formula:
    C9H8N2
    Molecular Weight:
    144.18
    Specification Sheet SDS

  • 8-Bromoisoquinoline

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    17388
    CAS Number:
    63927-22-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD04973298
    Molecular Formula:
    C9H6BrN
    Molecular Weight:
    208.06
    Specification Sheet SDS

  • N-Methyl-4-hydroxymethylpiperidine

    Purity:
    ≥ 95% (GC)
    Synonym:
    1-Methyl-4-piperidinemethanol
    Catalog Number:
    17169
    CAS Number:
    20691-89-8
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD03411903
    Molecular Formula:
    C7H15NO
    Molecular Weight:
    129.2
    Specification Sheet SDS

  • 7-Methoxy-4(1H)-quinolinone

    Purity:
    ≥ 98%
    Synonym:
    4-Hydroxy-7-methoxyquinoline
    Catalog Number:
    17360
    CAS Number:
    82121-05-9
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00169015
    Molecular Formula:
    C10H9NO2
    Molecular Weight:
    175.19
    Specification Sheet SDS

  • 5-(4-Methylphenyl)-2H-1,2,3,4-tetrazole

    Purity:
    ≥ 99.5% (HPLC)
    Catalog Number:
    17356
    CAS Number:
    24994-04-5
    Purity Limit:
    ≥ 99.5% (HPLC)
    MDL NO:
    MFCD00277902
    Molecular Formula:
    C8H8N4
    Molecular Weight:
    160.18
    Specification Sheet SDS

  • 2-Bromo-3-methoxypyridine

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    17332
    CAS Number:
    24100-18-3
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD01570896
    Molecular Formula:
    C6H6BrNO
    Molecular Weight:
    188.02
    Specification Sheet SDS

  • Ethyl 3,5-dimethylisoxazole-4-carboxylate

    Synonym:
    3,5-Dimethylisoxazole-4-carboxylic acid ethyl ester
    Catalog Number:
    17302
    CAS Number:
    17147-42-1
    MDL NO:
    MFCD00052557
    Molecular Formula:
    C8H11NO3
    Molecular Weight:
    169.18
    SDS

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

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    6-Nitro-4H-benzo[1,4]oxazin-3-one
    Catalog Number:
    17297
    CAS Number:
    81721-87-1
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD03425744
    Molecular Formula:
    C8H6N2O4
    Molecular Weight:
    194.15
    Specification Sheet SDS

  • 6-Bromo-1H-indole-3-carbaldehyde

    Purity:
    ≥ 98%
    Synonym:
    6-Bromo-3-formyl-1H-indole
    Catalog Number:
    17292
    CAS Number:
    17826-04-9
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00792689
    Molecular Formula:
    C9H6BrNO
    Molecular Weight:
    224.06
    Specification Sheet SDS

  • 5-Chloro-1,3-dihydro-1-(4-piperidinyl)-2H-benzimidazol-2-one

    Purity:
    ≥ 99% (Titration)
    Synonym:
    5-Chloro-1-(4-piperidyl)-2-benzimidazolinone
    Catalog Number:
    17279
    CAS Number:
    53786-28-0
    Purity Limit:
    ≥ 99% (Titration)
    MDL NO:
    MFCD02093793
    Molecular Formula:
    C12H14ClN3O
    Molecular Weight:
    251.72
    Specification Sheet SDS

  • 4-Chloropyrrolo[2,3-d]pyrimidine

    Hazmat
    Purity:
    ≥ 98% (Assay)
    Synonym:
    4-Chloro-1H-pyrrolo[2,3-d]pyrimidine
    Hazmat
    Catalog Number:
    17271
    CAS Number:
    3680-69-1
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD01686865
    Molecular Formula:
    C6H4ClN3
    Molecular Weight:
    153.57
    Specification Sheet SDS

  • 4-Amino-3-chloropyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Chloro-4-pyridinamine
    Catalog Number:
    17261
    CAS Number:
    19798-77-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03984473
    Molecular Formula:
    C5H5ClN2
    Molecular Weight:
    128.56
    Specification Sheet SDS

  • 3-Bromo-1H-pyrrolo[2,3-b]pyridine

    Hazmat
    Purity:
    > 98% (HPLC)
    Synonym:
    3-Bromo-7-azaindole
    Hazmat
    Catalog Number:
    17260
    CAS Number:
    74420-15-8
    Purity Limit:
    > 98% (HPLC)
    MDL NO:
    MFCD02179276
    Molecular Formula:
    C7H5BrN2
    Molecular Weight:
    197.04
    Specification Sheet SDS

  • 2-Methyl-1,3-thiazole-4-carboxylic acid

    Purity:
    ≥ 95% (HPLC)
    Catalog Number:
    17250
    CAS Number:
    35272-15-2
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD03407332
    Molecular Formula:
    C5H5NO2S
    Molecular Weight:
    143.17
    Specification Sheet SDS

  • 1-Boc-2-hydroxymethyl-piperidine

    Purity:
    ≥ 99% (GC)
    Synonym:
    2-Hydroxymethyl-piperidine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    17229
    CAS Number:
    157634-00-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD04114966
    Molecular Formula:
    C11H21NO3
    Molecular Weight:
    215.29
    Specification Sheet SDS

  • 2-Methylthio-4-pyrimidone

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-(Methylthio)-4(1H-pyrimidinone
    Catalog Number:
    17249
    CAS Number:
    5751-20-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00955672
    Molecular Formula:
    C5H6N2OS
    Molecular Weight:
    142.18
    Specification Sheet SDS

  • 2-Amino-4-chloropyridine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4-Chloro-2-pyridinamine
    Catalog Number:
    17039
    CAS Number:
    19798-80-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD04113820
    Molecular Formula:
    C5H5ClN2
    Molecular Weight:
    128.56
    Specification Sheet SDS

  • 2-(2H-Tetrazol-5-yl)pyridine

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    17236
    CAS Number:
    33893-89-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00269436
    Molecular Formula:
    C6H5N5
    Molecular Weight:
    147.14
    Specification Sheet SDS

  • Ethyl 3-oxo-3-(2-thienyl)propionate

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Oxo-3-(2-thienyl)propionic acid ethyl ester
    Catalog Number:
    17222
    CAS Number:
    13669-10-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00542649
    Molecular Formula:
    C9H10O3S
    Molecular Weight:
    198.24
    Specification Sheet SDS

  • 5-Methoxyindole-3-carboxylic acid

    Purity:
    ≥ 98% (Assay)
    Catalog Number:
    17215
    CAS Number:
    10242-01-0
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD03265451
    Molecular Formula:
    C10H9NO3
    Molecular Weight:
    191.19
    Specification Sheet SDS

  • 2-Chloro-3-(hydroxymethyl)pyridine

    Purity:
    ≥ 99%
    Synonym:
    (2-Chloro-3-pyridinyl)methanol
    Catalog Number:
    17223
    CAS Number:
    42330-59-6
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD01935961
    Molecular Formula:
    C6H6ClNO
    Molecular Weight:
    143.57
    Specification Sheet SDS

  • 2-Amino-4-bromopyridine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4-Bromopyridin-2-ylamine
    Catalog Number:
    17206
    CAS Number:
    84249-14-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01646115
    Molecular Formula:
    C5H5BrN2
    Molecular Weight:
    173.01
    Specification Sheet SDS

  • 6-Bromo-2-oxindole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    6-Bromo-1,3-dihydro-indol-2-one
    Catalog Number:
    17218
    CAS Number:
    99365-40-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02179605
    Molecular Formula:
    C8H6BrNO
    Molecular Weight:
    212.05
    Specification Sheet SDS

  • 5-Bromo-1H-indazole

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    5-Bromoindazole
    Catalog Number:
    17213
    CAS Number:
    53857-57-1
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD00839493
    Molecular Formula:
    C7H5BrN2
    Molecular Weight:
    197.04
    Specification Sheet SDS

  • 5-Bromo-2,3-dihydro-1H-indole

    Purity:
    ≥ 99% (GC)
    Synonym:
    5-Bromoindoline
    Catalog Number:
    17214
    CAS Number:
    22190-33-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00027410
    Molecular Formula:
    C8H8BrN
    Molecular Weight:
    198.06
    Specification Sheet SDS

  • 1-Boc-3-formyl-pyrrolidine

    Purity:
    ≥ 97% (GC)
    Synonym:
    3-Formylpyrrolidine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    17195
    CAS Number:
    59379-02-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD03791257
    Molecular Formula:
    C10H17NO3
    Molecular Weight:
    199.25
    Specification Sheet SDS

  • 5-Amino-3-(4-methoxyphenyl)pyrazole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3-(4-Methoxyphenyl)-1H-pyrazol-5-amine
    Catalog Number:
    17212
    CAS Number:
    19541-95-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00462192
    Molecular Formula:
    C10H11N3O
    Molecular Weight:
    189.22
    Specification Sheet SDS

  • 1-Boc-3-hydroxymethylpyrrolidine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-Hydroxymethylpyrrolidine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    17196
    CAS Number:
    114214-69-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02179040
    Molecular Formula:
    C10H19NO3
    Molecular Weight:
    201.26
    Specification Sheet SDS

  • Bzl-isonipecotic acid

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Bzl-Inp-OH
    Catalog Number:
    17174
    CAS Number:
    10315-07-8
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD03371463
    Molecular Formula:
    C13H17NO2
    Molecular Weight:
    219.28
    Specification Sheet SDS

  • 1-Benzyl-4-formylpiperidine

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    1-Benzyl-4-piperidinecarboxaldehyde
    Hazmat
    Catalog Number:
    17173
    CAS Number:
    22065-85-6
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD02258902
    Molecular Formula:
    C13H17NO
    Molecular Weight:
    203.28
    Specification Sheet SDS

  • 4-Chloro-2,3-dimethylpyridine-N-oxide

    Purity:
    ≥ 98% (Assay)
    Catalog Number:
    17155
    CAS Number:
    59886-90-7
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD06411125
    Molecular Formula:
    C7H8ClNO
    Molecular Weight:
    157.6
    Specification Sheet SDS

  • 4-Amino-1-isopropylpiperidine

    Purity:
    ≥ 99% (GC)
    Synonym:
    1-Isopropylpiperidin-4-ylamine
    Catalog Number:
    17154
    CAS Number:
    127285-08-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD03411606
    Molecular Formula:
    C8H18N2
    Molecular Weight:
    142.24
    Specification Sheet SDS

  • 3-Iodo-2-methoxypyridine

    Purity:
    ≥ 98% (Assay)
    Catalog Number:
    17151
    CAS Number:
    112197-15-6
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD03094946
    Molecular Formula:
    C6H6INO
    Molecular Weight:
    235.02
    Specification Sheet SDS

  • 2,5-Dimethyl-3-furoic acid

    Synonym:
    2,5-Dimethyl-3-furancarboxylic acid
    Catalog Number:
    17143
    CAS Number:
    636-44-2
    MDL NO:
    MFCD00082181
    Molecular Formula:
    C7H8O3
    Molecular Weight:
    140.14
    SDS

  • 1-Benzyl-5-ethoxy-2,4-imidazolinedione

    Purity:
    ≥ 99%
    Synonym:
    1-Benzyl-5-ethoxyhydantoin
    Catalog Number:
    17135
    CAS Number:
    65855-02-9
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD03838588
    Molecular Formula:
    C12H14N2O3
    Molecular Weight:
    234.25
    Specification Sheet SDS

  • Isoquinoline-5-carbaldehyde

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    5-Isoquinolinecarbaldehyde
    Catalog Number:
    17125
    CAS Number:
    80278-67-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03412483
    Molecular Formula:
    C10H7NO
    Molecular Weight:
    157.17
    Specification Sheet SDS

  • Tetrahydro-2H-pyran-4-carboxylic acid

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Tetrahydropyran-4-yl-carboxylic acid
    Catalog Number:
    17128
    CAS Number:
    5337-03-1
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00031016
    Molecular Formula:
    C6H10O3
    Molecular Weight:
    130.14
    Specification Sheet SDS

  • 5-Bromothiophene-2-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromo-2-formylthiophene
    Catalog Number:
    17121
    CAS Number:
    4701-17-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005432
    Molecular Formula:
    C5H3BrOS
    Molecular Weight:
    191.05
    Specification Sheet SDS

  • 7-(4-Bromo-butoxy)-3,4-dihydro-1H-quinolin-2-one

    Purity:
    ≥ 98.5% (assay)
    Synonym:
    3,4-Dihydro-7-(4-bromobutoxy)-2(1H-quinolinone
    Catalog Number:
    17123
    CAS Number:
    129722-34-5
    Purity Limit:
    ≥ 98.5% (assay)
    MDL NO:
    MFCD06658540
    Molecular Formula:
    C13H16BrNO2
    Molecular Weight:
    298.18
    Specification Sheet SDS

  • 4-(4-Pyridinyl)piperidine

    Purity:
    ≥ 98%
    Synonym:
    4-Piperidine-4-yl-pyridine
    Catalog Number:
    17120
    CAS Number:
    581-45-3
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD05863877
    Molecular Formula:
    C10H14N2
    Molecular Weight:
    162.24
    Specification Sheet SDS

  • 2-Piperidin-4-yl-1H-benzoimidazole

    Purity:
    ≥ 99% (ELSD)
    Synonym:
    2-(4-Piperidyl)-1H-1,3-benzimidazole
    Catalog Number:
    17113
    CAS Number:
    38385-95-4
    Purity Limit:
    ≥ 99% (ELSD)
    MDL NO:
    MFCD01475843
    Molecular Formula:
    C12H15N3
    Molecular Weight:
    201.27
    Specification Sheet SDS

  • 4-(1H-Pyrazol-1-yl)benzoic acid

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    17119
    CAS Number:
    16209-00-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02682056
    Molecular Formula:
    C10H8N2O2
    Molecular Weight:
    188.19
    Specification Sheet SDS

  • 5-Formyl-1-methyl-1H-pyrazole

    Purity:
    ≥ 98% (Assay)
    Synonym:
    2-Methyl-2H-pyrazole-3-carbaldehyde
    Catalog Number:
    17111
    CAS Number:
    27258-33-9
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD03419801
    Molecular Formula:
    C5H6N2O
    Molecular Weight:
    110.12
    Specification Sheet SDS

  • 2-(2-Methyl-1H-indol-3-yl)ethylamine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3-(2-Aminoethyl)-2-methylindole
    Catalog Number:
    17107
    CAS Number:
    2731-06-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00130185
    Molecular Formula:
    C11H14N2
    Molecular Weight:
    174.25
    Specification Sheet SDS

  • 1-Phenyl-1H-pyrazole-4-carbaldehyde

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    17104
    CAS Number:
    54605-72-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02179568
    Molecular Formula:
    C10H8N2O
    Molecular Weight:
    172.19
    Specification Sheet SDS

  • 1,5-Dimethyl-1H-pyrazole-3-carboxylic acid

    Purity:
    ≥ 95%
    Catalog Number:
    17098
    CAS Number:
    5744-59-2
    Purity Limit:
    ≥ 95%
    MDL NO:
    MFCD00085040
    Molecular Formula:
    C6H8N2O2
    Molecular Weight:
    140.14
    Specification Sheet SDS

  • Ethyl 1,5-dimethyl-1H-pyrazole-3-carboxylate

    Purity:
    ≥ 99% (GC)
    Synonym:
    1,5-Dimethyl-1H-pyrazole-3-carboxylic acid ethyl ester
    Catalog Number:
    17089
    CAS Number:
    5744-51-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00085071
    Molecular Formula:
    C8H12N2O2
    Molecular Weight:
    168.2
    Specification Sheet SDS

  • 2-Amino-5-bromopyrazine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Bromo-2-pyrazinamine
    Catalog Number:
    17087
    CAS Number:
    59489-71-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00235015
    Molecular Formula:
    C4H4BrN3
    Molecular Weight:
    174.0
    Specification Sheet SDS

  • 4-Chloro-6,7-dimethoxyquinazoline

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    17083
    CAS Number:
    13790-39-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01570172
    Molecular Formula:
    C10H9ClN2O2
    Molecular Weight:
    224.65
    Specification Sheet SDS

  • 3-Bromo-5-methylpyridine

    Purity:
    ≥ 99% (GC)
    Synonym:
    3-Bromo-5-picoline
    Catalog Number:
    17060
    CAS Number:
    3430-16-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD01646141
    Molecular Formula:
    C6H6BrN
    Molecular Weight:
    172.02
    Specification Sheet SDS
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