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Heterocyclic Building Blocks

3724

  • 6-Chloronicotinoyl chloride

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    27696
    CAS Number:
    58757-38-3, 66608-11-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00051775
    Molecular Formula:
    C6H3Cl2NO
    Molecular Weight:
    176.0
    Specification Sheet SDS

  • 4-Amino-2,6-dichloropyridine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2,6-Dichloro-4-aminopyridine
    Catalog Number:
    27715
    CAS Number:
    2587-02-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00052832
    Molecular Formula:
    C5H4Cl2N2
    Molecular Weight:
    163.01
    Specification Sheet SDS

  • 3-Bromothiophene-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-Bromo-2-thenoic acid
    Catalog Number:
    27708
    CAS Number:
    7311-64-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00052291
    Molecular Formula:
    C5H3BrO2S
    Molecular Weight:
    207.05
    Specification Sheet SDS

  • 3,5-Dichloro-4-hydroxypyridine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3,5-Dichloro-4-pyridinol
    Catalog Number:
    27692
    CAS Number:
    17228-70-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00051673
    Molecular Formula:
    C5H3Cl2NO
    Molecular Weight:
    163.99
    Specification Sheet SDS

  • 2-Cyanopyrazine

    Purity:
    ≥ 99% (GC)
    Synonym:
    Pyrazine-2-carbonitrile
    Catalog Number:
    27679
    CAS Number:
    19847-12-2
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00049361
    Molecular Formula:
    C5H3N3
    Molecular Weight:
    105.1
    Specification Sheet SDS

  • 5-Cyano-2-acetylthiophene

    Purity:
    ≥ 97% (GC)
    Synonym:
    2-Acetyl-5-cyanothiophene
    Catalog Number:
    27709
    CAS Number:
    88653-55-8
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00052314
    Molecular Formula:
    C7H5NOS
    Molecular Weight:
    151.19
    Specification Sheet SDS

  • 3,4,5-Trichloropyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    27693
    CAS Number:
    33216-52-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00051685
    Molecular Formula:
    C5H2Cl3N
    Molecular Weight:
    182.44
    Specification Sheet SDS

  • 5-Chlorothiophene-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Chloro-5-carboxythiophene
    Catalog Number:
    27602
    CAS Number:
    24065-33-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00041426
    Molecular Formula:
    C5H3ClO2S
    Molecular Weight:
    162.6
    Specification Sheet SDS

  • 1-(2-cyanoethyl)-2-methylimidazole

    Purity:
    ≥ 93% (Assay)
    Synonym:
    3-(2-Methyl-1H-imidazol-1-yl)propanenitrile
    Catalog Number:
    27661
    CAS Number:
    23996-55-6
    Purity Limit:
    ≥ 93% (Assay)
    MDL NO:
    MFCD00047049
    Molecular Formula:
    C7H9N3
    Molecular Weight:
    135.17
    Specification Sheet SDS

  • Quinoline-6-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    6-Quinolinecarboxylic acid
    Catalog Number:
    27668
    CAS Number:
    10349-57-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00047613
    Molecular Formula:
    C10H7NO2
    Molecular Weight:
    173.17
    Specification Sheet SDS

  • 1,2,4-Triazole sodium salt

    Purity:
    ≥ 95% (titration)
    Catalog Number:
    27640
    CAS Number:
    41253-21-8
    Purity Limit:
    ≥ 95% (titration)
    MDL NO:
    MFCD00044437
    Molecular Formula:
    C2H2N3Na
    Molecular Weight:
    91.05
    Specification Sheet SDS

  • 2,3,5-Trichloropyridine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    27623
    CAS Number:
    16063-70-0, 516063-70-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00043007
    Molecular Formula:
    C5H2Cl3N
    Molecular Weight:
    182.44
    Specification Sheet SDS

  • 2-Amino-6-chloro-3-nitropyridine

    Purity:
    98 - 102% (HPLC)
    Catalog Number:
    27639
    CAS Number:
    27048-04-0
    Purity Limit:
    98 - 102% (HPLC)
    MDL NO:
    MFCD00044350
    Molecular Formula:
    C5H4ClN3O2
    Molecular Weight:
    173.56
    Specification Sheet SDS

  • N-Butylimidazole

    Purity:
    ≥ 99% (GC)
    Synonym:
    1-Butylimidazole
    Catalog Number:
    27621
    CAS Number:
    4316-42-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00042753
    Molecular Formula:
    C7H12N2
    Molecular Weight:
    124.19
    Specification Sheet SDS

  • 1-Benzyl-3-hydroxypiperidine

    Purity:
    ≥ 98%
    Synonym:
    1-Benzyl-3-piperidinol
    Catalog Number:
    27637
    CAS Number:
    14813-01-5
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00044200
    Molecular Formula:
    C12H17NO
    Molecular Weight:
    191.3
    Specification Sheet SDS

  • 2-Mercapto-1,3,4-thiadiazole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1,3,4-Thiadiazole-2-thiol
    Catalog Number:
    27573
    CAS Number:
    18686-82-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00040404
    Molecular Formula:
    C2H2N2S2
    Molecular Weight:
    118.18
    Specification Sheet SDS

  • 2-Bromo-6-methylpyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Bromo-6-picoline
    Catalog Number:
    27580
    CAS Number:
    5315-25-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00040743
    Molecular Formula:
    C6H6BrN
    Molecular Weight:
    172.02
    Specification Sheet SDS

  • Ethyl 5-bromonicotinate

    Purity:
    ≥ 99% (GC)
    Synonym:
    5-Bromonicotinic acid ethyl ester
    Catalog Number:
    27571
    CAS Number:
    20986-40-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00040366
    Molecular Formula:
    C8H8BrNO2
    Molecular Weight:
    230.06
    Specification Sheet SDS

  • 3,4,5-Tribromopyrazole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3,4,5-Tribromo-1H-pyrazole
    Catalog Number:
    27570
    CAS Number:
    17635-44-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00040248
    Molecular Formula:
    C3HBr3N2
    Molecular Weight:
    304.77
    Specification Sheet SDS

  • 2-Methyl-4-chloropyridine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Chloro-2-methylpyridine
    Catalog Number:
    27551
    CAS Number:
    3678-63-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00038833
    Molecular Formula:
    C6H6ClN
    Molecular Weight:
    127.57
    Specification Sheet SDS

  • 2-Amino-3,5-dibromopyridine

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    27539
    CAS Number:
    35486-42-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00038041
    Molecular Formula:
    C5H4Br2N2
    Molecular Weight:
    251.91
    Specification Sheet SDS

  • 2-Isopropyl-4-methylthiazole

    Hazmat
    Purity:
    ≥98.5%
    Synonym:
    4-Methyl-2-isopropylthiazole
    Hazmat
    Catalog Number:
    27529
    CAS Number:
    15679-13-7
    Purity Limit:
    ≥98.5%
    MDL NO:
    MFCD00036561
    Molecular Formula:
    C7H11NS
    Molecular Weight:
    141.24
    SDS

  • 4(3H)-Pyrimidinone

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Hydroxypyrimidine
    Catalog Number:
    27537
    CAS Number:
    4562-27-0, 51953-17-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006664
    Molecular Formula:
    C4H4N2O
    Molecular Weight:
    96.09
    Specification Sheet SDS

  • 1-Allyl-1H-imidazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Allylimidazole
    Catalog Number:
    27535
    CAS Number:
    31410-01-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00037894
    Molecular Formula:
    C6H8N2
    Molecular Weight:
    108.14
    Specification Sheet SDS

  • Ethyl 5-formyl-2,4-dimethyl-1H-pyrrole-3-carboxylate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    5-Formyl-2,4-dimethyl-1H-pyrrole-3-carboxylic acid ethyl ester
    Catalog Number:
    27515
    CAS Number:
    2199-59-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00030352
    Molecular Formula:
    C10H13NO3
    Molecular Weight:
    195.22
    Specification Sheet SDS

  • 1-Aminoisoquinoline

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    27490
    CAS Number:
    1532-84-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00024137
    Molecular Formula:
    C9H8N2
    Molecular Weight:
    144.18
    Specification Sheet SDS

  • 3-Chlorochromen-2-one

    Purity:
    ≥ 99% (GC)
    Synonym:
    3-Chlorocoumarin
    Catalog Number:
    27489
    CAS Number:
    92-45-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00024073
    Molecular Formula:
    C9H5ClO2
    Molecular Weight:
    180.59
    Specification Sheet SDS

  • 6-Chloroquinoline

    Purity:
    ≥ 99% (Assay)
    Catalog Number:
    27488
    CAS Number:
    612-57-7
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00024024
    Molecular Formula:
    C9H6ClN
    Molecular Weight:
    163.61
    Specification Sheet SDS

  • 6-Bromoquinoline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    27487
    CAS Number:
    5332-25-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00024023
    Molecular Formula:
    C9H6BrN
    Molecular Weight:
    208.06
    Specification Sheet SDS

  • 3,5-Dibromo-2-hydroxypyridine

    Hazmat
    Purity:
    ≥ 99.5% (HPLC)
    Synonym:
    3,5-Dibromopyridin-2-ol
    Hazmat
    Catalog Number:
    27482
    CAS Number:
    13472-81-6
    Purity Limit:
    ≥ 99.5% (HPLC)
    MDL NO:
    MFCD00023472
    Molecular Formula:
    C5H3Br2NO
    Molecular Weight:
    252.89
    Specification Sheet SDS

  • 6-Hydroxy-1H-indazole

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    1H-Indazol-6-ol
    Catalog Number:
    27473
    CAS Number:
    23244-88-4
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00022788
    Molecular Formula:
    C7H6N2O
    Molecular Weight:
    134.14
    Specification Sheet SDS

  • 6-Chloronicotinic acid methyl ester

    Purity:
    ≥ 99% (GC)
    Synonym:
    Methyl 2-chloropyridine-5-carboxylate
    Catalog Number:
    27477
    CAS Number:
    73781-91-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00023420
    Molecular Formula:
    C7H6ClNO2
    Molecular Weight:
    171.58
    Specification Sheet SDS

  • 3-Amino-2,6-dichloropyridine

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    27475
    CAS Number:
    62476-56-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00023417
    Molecular Formula:
    C5H4Cl2N2
    Molecular Weight:
    163.01
    Specification Sheet SDS

  • 2-Iodo-3-hydroxypyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Iodo-3-pyridinol
    Catalog Number:
    27478
    CAS Number:
    40263-57-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00023421
    Molecular Formula:
    C5H4INO
    Molecular Weight:
    220.99
    Specification Sheet SDS

  • 3-Hydroxycoumarin

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    27448
    CAS Number:
    939-19-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00017490
    Molecular Formula:
    C9H6O3
    Molecular Weight:
    162.14
    Specification Sheet SDS

  • 6-Nitrocoumarin

    Purity:
    ≥ 99% (GC)
    Synonym:
    6-Nitro-chromen-2-one
    Catalog Number:
    27426
    CAS Number:
    2725-81-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00016973
    Molecular Formula:
    C9H5NO4
    Molecular Weight:
    191.14
    Specification Sheet SDS

  • 2,5-Dibromo-1,3-thiazole

    Purity:
    ≥ 99% (GC)
    Synonym:
    2,5-Dibromothiazole
    Catalog Number:
    27422
    CAS Number:
    4175-78-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00016891
    Molecular Formula:
    C3HBr2NS
    Molecular Weight:
    242.92
    Specification Sheet SDS

  • 1-Nitro-1H-pyrazole

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    1-Nitropyrazole
    Catalog Number:
    27395
    CAS Number:
    7119-95-1
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00015894
    Molecular Formula:
    C3H3N3O2
    Molecular Weight:
    113.08
    Specification Sheet SDS

  • 2-Isopropyl-1H-imidazole

    Purity:
    ≥ 99% (Assay)
    Synonym:
    2-Isopropylimdazole
    Catalog Number:
    27377
    CAS Number:
    36947-68-9
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00014486
    Molecular Formula:
    C6H10N2
    Molecular Weight:
    110.16
    Specification Sheet SDS

  • 2-Chloro-3-cyanopyridine

    Purity:
    ≥ 99.5% (HPLC)
    Synonym:
    2-Chloronictinonitrile
    Catalog Number:
    27382
    CAS Number:
    6602-54-6
    Purity Limit:
    ≥ 99.5% (HPLC)
    MDL NO:
    MFCD00014628
    Molecular Formula:
    C6H3ClN2
    Molecular Weight:
    138.56
    Specification Sheet SDS

  • 3,5-Dibromopyridine

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    27383
    CAS Number:
    625-92-3
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00014634
    Molecular Formula:
    C5H3Br2N
    Molecular Weight:
    236.89
    Specification Sheet SDS

  • 3-Formylchromone

    Purity:
    ≥ 99% (GC)
    Synonym:
    3-Chromonecarbaldehyde
    Catalog Number:
    27384
    CAS Number:
    17422-74-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00014667
    Molecular Formula:
    C10H6O3
    Molecular Weight:
    174.15
    Specification Sheet SDS

  • 2-Acetyl-5-bromothiophene

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Bromo-2-thienyl methyl ketone
    Catalog Number:
    27378
    CAS Number:
    5370-25-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00014528
    Molecular Formula:
    C6H5BrOS
    Molecular Weight:
    205.07
    Specification Sheet SDS

  • 4-Chloropyridine hydrochloride

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    27337
    CAS Number:
    7379-35-3
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00012829
    Molecular Formula:
    C5H4ClN·HCl
    Molecular Weight:
    150.01
    Specification Sheet SDS

  • 2-Chloro-4-methyl-3-nitropyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloro-3-nitro-4-picoline
    Catalog Number:
    27318
    CAS Number:
    23056-39-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00012347
    Molecular Formula:
    C6H5ClN2O2
    Molecular Weight:
    172.57
    Specification Sheet SDS

  • 2-Chloro-4-methyl-5-nitropyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloro-5-nitro-4-methylpyridine
    Catalog Number:
    27244
    CAS Number:
    23056-33-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00010688
    Molecular Formula:
    C6H5ClN2O2
    Molecular Weight:
    172.57
    Specification Sheet SDS

  • 5-Aminoisoquinoline

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    27089
    CAS Number:
    1125-60-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00006907
    Molecular Formula:
    C9H8N2
    Molecular Weight:
    144.18
    Specification Sheet SDS

  • 3-Acetylcoumarin

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3-Acetylchromen-2-one
    Catalog Number:
    27085
    CAS Number:
    3949-36-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00006853
    Molecular Formula:
    C11H8O3
    Molecular Weight:
    188.18
    Specification Sheet SDS

  • 3,4-Ethylenedioxyaniline

    Purity:
    ≥ 99% (GC)
    Synonym:
    6-Amino-1,4-benzodioxane
    Catalog Number:
    27084
    CAS Number:
    22013-33-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006824
    Molecular Formula:
    C8H9NO2
    Molecular Weight:
    151.16
    Specification Sheet SDS

  • 4-Chloroquinoline

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    27081
    CAS Number:
    611-35-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006773
    Molecular Formula:
    C9H6ClN
    Molecular Weight:
    163.61
    Specification Sheet SDS
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