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Heterocyclic Building Blocks

3766
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  • 1,1'-[Biphenyl-4,4'-diylbis(methylene)]bis(4,4'-bipyridinium) Dibromide

    Purity:
    ≥ 96% (HPLC)
    Catalog Number:
    44684
    CAS Number:
    2232875-70-4
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD06797054
    Molecular Formula:
    C34H28Br2N4
    Molecular Weight:
    652.43
    Specification Sheet SDS

  • Ethyl 2-Chloro-6-methylisonicotinate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloro-6-methylisonicotinic acid ethyl ester
    Catalog Number:
    44688
    CAS Number:
    3998-88-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09842151
    Molecular Formula:
    C9H10ClNO2
    Molecular Weight:
    199.63
    Specification Sheet SDS

  • 2,4,6-Tribromopyridine

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44673
    CAS Number:
    2408-70-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00234002
    Molecular Formula:
    C5H2Br3N
    Molecular Weight:
    315.79
    Specification Sheet SDS

  • 2,6-Dichloro-3-iodopyridine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44674
    CAS Number:
    148493-37-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03094686
    Molecular Formula:
    C5H2Cl2IN
    Molecular Weight:
    0
    Specification Sheet SDS

  • 2-(4-Chlorobenzyl)pyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44681
    CAS Number:
    4350-41-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006353
    Molecular Formula:
    C12H10ClN
    Molecular Weight:
    203.67
    Specification Sheet SDS

  • 6-Chloro-N-methoxy-N-methylnicotinamide

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44679
    CAS Number:
    149281-42-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09991647
    Molecular Formula:
    C8H9ClN2O2
    Molecular Weight:
    200.62
    Specification Sheet SDS

  • 2-Chloro-4-iodo-3-methylpyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloro-4-iodo-3-picoline
    Catalog Number:
    44672
    CAS Number:
    153034-88-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03095293
    Molecular Formula:
    C6H5ClIN
    Molecular Weight:
    253.47
    Specification Sheet SDS

  • 8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

    Purity:
    ≥ 98% (GC)
    Synonym:
    8-Chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-one
    Catalog Number:
    44680
    CAS Number:
    31251-41-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00800222
    Molecular Formula:
    C14H10ClNO
    Molecular Weight:
    243.69
    Specification Sheet SDS

  • 4-Amino-3-iodopyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44671
    CAS Number:
    88511-27-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02663853
    Molecular Formula:
    C5H5IN2
    Molecular Weight:
    220.01
    Specification Sheet SDS

  • 5-Bromo-1-methylpyridin-2(1H)-one

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44654
    CAS Number:
    81971-39-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09972188
    Molecular Formula:
    C6H6BrNO
    Molecular Weight:
    188.02
    Specification Sheet SDS

  • 3-Chloro-4-iodopyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44665
    CAS Number:
    77332-79-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00272199
    Molecular Formula:
    C5H3ClIN
    Molecular Weight:
    239.44
    Specification Sheet SDS

  • 2-(Chloromethyl)-4-methoxy-3,5-dimethylpyridine hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44677
    CAS Number:
    86604-75-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00277472
    Molecular Formula:
    C9H12ClNO·HCl
    Molecular Weight:
    222.11
    Specification Sheet SDS

  • Pentachloropyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44653
    CAS Number:
    2176-62-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006230
    Molecular Formula:
    C5Cl5N
    Molecular Weight:
    251.31
    Specification Sheet SDS

  • 2,6-Dibromopyridine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44676
    CAS Number:
    626-05-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006223
    Molecular Formula:
    C5H3Br2N
    Molecular Weight:
    0
    Specification Sheet SDS

  • 2-Amino-5-bromo-3-iodopyridine

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    44661
    CAS Number:
    381233-96-1
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD06659000
    Molecular Formula:
    C5H4BrIN2
    Molecular Weight:
    298.91
    Specification Sheet SDS

  • 3-Bromo-4-hydroxy-5-nitropyridine

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    3-Bromo-5-nitro-4-pyridinol
    Catalog Number:
    44668
    CAS Number:
    31872-65-8
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD08692339
    Molecular Formula:
    C5H3BrN2O3
    Molecular Weight:
    218.99
    Specification Sheet SDS

  • 2-Acetamido-5-bromo-6-methylpyridine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    6-Acetamido-3-bromo-2-methylpyridine
    Catalog Number:
    44670
    CAS Number:
    142404-84-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03909755
    Molecular Formula:
    C8H9BrN2O
    Molecular Weight:
    229.08
    Specification Sheet SDS

  • 2-Bromo-6-iodopyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44666
    CAS Number:
    234111-08-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08059557
    Molecular Formula:
    C5H3BrIN
    Molecular Weight:
    283.89
    Specification Sheet SDS

  • 2-Chloro-6-hydrazinopyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    (6-Chloro-2-pyridyl)hydrazine
    Catalog Number:
    44648
    CAS Number:
    5193-03-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00214724
    Molecular Formula:
    C5H6ClN3
    Molecular Weight:
    143.57
    Specification Sheet SDS

  • 4-Amino-3,5-dichloropyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44651
    CAS Number:
    22889-78-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00125023
    Molecular Formula:
    C5H4Cl2N2
    Molecular Weight:
    163.0
    Specification Sheet SDS

  • 2,3-Dichloro-5-hydroxypyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    5,6-Dichloro-3-pyridinol
    Catalog Number:
    44641
    CAS Number:
    110860-92-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09835219
    Molecular Formula:
    C5H3Cl2NO
    Molecular Weight:
    163.99
    Specification Sheet SDS

  • 3-Bromo-4-cyanopyridine

    Hazmat
    Purity:
    ≥ 96% (GC)
    Synonym:
    3-Bromo-4-pyridinecarbonitrile
    Hazmat
    Catalog Number:
    44669
    CAS Number:
    13958-98-0
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00234143
    Molecular Formula:
    C6H3BrN2
    Molecular Weight:
    0
    Specification Sheet SDS

  • 2-Iodo-5-nitropyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44662
    CAS Number:
    28080-54-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD05863241
    Molecular Formula:
    C5H3IN2O2
    Molecular Weight:
    250.0
    Specification Sheet SDS

  • 3-Chloro-5-hydroxypyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Chloro-3-pyridinol
    Catalog Number:
    44664
    CAS Number:
    74115-12-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006379
    Molecular Formula:
    C5H4ClNO
    Molecular Weight:
    129.54
    Specification Sheet SDS

  • 2,4-Dibromopyridine

    Purity:
    ≥ 98.5% (GC)
    Catalog Number:
    44659
    CAS Number:
    58530-53-3
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD01859720
    Molecular Formula:
    C5H3Br2N
    Molecular Weight:
    236.89
    Specification Sheet SDS

  • 4-Chloro-2-hydroxypyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Chloro-2-pyridinol
    Catalog Number:
    44658
    CAS Number:
    40673-25-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03093022
    Molecular Formula:
    C5H4ClNO
    Molecular Weight:
    129.54
    Specification Sheet SDS

  • 5-Bromo-2-hydrazinopyridine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    (5-Bromo-2-pyridyl)hydrazine
    Catalog Number:
    44663
    CAS Number:
    77992-44-0
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00513424
    Molecular Formula:
    C5H6BrN3
    Molecular Weight:
    188.03
    Specification Sheet SDS

  • 4,5-Dichloro-3(2H)-pyridazinone

    Purity:
    ≥ 98% (GC)
    Synonym:
    4,5-Dichloro-3-hydroxypyridazine
    Catalog Number:
    44629
    CAS Number:
    932-22-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00051504
    Molecular Formula:
    C4H2Cl2N2O
    Molecular Weight:
    164.97
    Specification Sheet SDS

  • 4-Iodopyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44655
    CAS Number:
    15854-87-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02093937
    Molecular Formula:
    C5H4IN
    Molecular Weight:
    205.0
    Specification Sheet SDS

  • 2-Bromo-4-hydroxypyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Bromo-4-pyridinol
    Catalog Number:
    44667
    CAS Number:
    36953-40-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00234040
    Molecular Formula:
    C5H4BrNO
    Molecular Weight:
    174.0
    Specification Sheet SDS

  • 4-Bromopyridine hydrobromide

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Hazmat
    Catalog Number:
    44660
    CAS Number:
    74129-11-6
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00060195
    Molecular Formula:
    C5H4BrN·HBr
    Molecular Weight:
    0
    Specification Sheet SDS

  • 4-Amino-3,5-dibromopyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44657
    CAS Number:
    84539-34-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00234048
    Molecular Formula:
    C5H4Br2N2
    Molecular Weight:
    251.91
    Specification Sheet SDS

  • 3,5-Dichloro-4-iodopyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44642
    CAS Number:
    343781-41-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03094687
    Molecular Formula:
    C5H2Cl2IN
    Molecular Weight:
    273.88
    Specification Sheet SDS

  • 3-Amino-6-bromo-2-chloropyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44650
    CAS Number:
    169833-70-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04971930
    Molecular Formula:
    C5H4BrClN2
    Molecular Weight:
    207.46
    Specification Sheet SDS

  • 2,3,6-Trichloropyridine

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44646
    CAS Number:
    6515-09-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00463516
    Molecular Formula:
    C5H2Cl3N
    Molecular Weight:
    182.43
    Specification Sheet SDS

  • 4-Chloropyridine N-oxide

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44652
    CAS Number:
    1121-76-2
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00047425
    Molecular Formula:
    C5H4ClNO
    Molecular Weight:
    129.54
    Specification Sheet SDS

  • 3-Amino-6-chloropyridazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44626
    CAS Number:
    5469-69-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00051506
    Molecular Formula:
    C4H4ClN3
    Molecular Weight:
    129.55
    Specification Sheet SDS

  • 2,6-Diiodopyridine

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44656
    CAS Number:
    53710-17-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD07366728
    Molecular Formula:
    C5H3I2N
    Molecular Weight:
    330.89
    Specification Sheet SDS

  • 2,6-Dibromopyridine N-oxide

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44639
    CAS Number:
    25373-69-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00234019
    Molecular Formula:
    C5H3Br2NO
    Molecular Weight:
    252.89
    Specification Sheet SDS

  • 2-Bromo-3-iodopyridine

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44645
    CAS Number:
    265981-13-3
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD09056782
    Molecular Formula:
    C5H3BrIN
    Molecular Weight:
    283.89
    Specification Sheet SDS

  • 1,4-Dichlorophthalazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44634
    CAS Number:
    4752-10-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006909
    Molecular Formula:
    C8H4Cl2N2
    Molecular Weight:
    199.03
    Specification Sheet SDS

  • 5-Bromo-2,3-pyridinediol

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromo-2,3-dihydroxypyridine
    Catalog Number:
    44647
    CAS Number:
    34206-49-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08276314
    Molecular Formula:
    C5H4BrNO2
    Molecular Weight:
    190.0
    Specification Sheet SDS

  • 6-Bromo-2-hydroxypyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Bromo-2-pyridinol
    Catalog Number:
    44643
    CAS Number:
    27992-32-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00234043
    Molecular Formula:
    C5H4BrNO
    Molecular Weight:
    174.0
    Specification Sheet SDS

  • 2-Bromo-4,6-dimethylpyridine

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    2-Bromo-4,6-lutidine
    Catalog Number:
    44644
    CAS Number:
    4926-26-5
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00082591
    Molecular Formula:
    C7H8BrN
    Molecular Weight:
    186.05
    Specification Sheet SDS

  • 2,5-Dibromo-3-nitropyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44640
    CAS Number:
    15862-37-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09266223
    Molecular Formula:
    C5H2Br2N2O2
    Molecular Weight:
    281.89
    Specification Sheet SDS

  • 3,6-Dichloropyridazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44632
    CAS Number:
    141-30-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006466
    Molecular Formula:
    C4H2Cl2N2
    Molecular Weight:
    148.97
    Specification Sheet SDS

  • 4,5-Dibromo-3(2H)-pyridazinone

    Purity:
    ≥ 98% (GC)
    Synonym:
    4,5-Dibromo-3-hydroxypyridazine
    Catalog Number:
    44623
    CAS Number:
    5788-58-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00023641
    Molecular Formula:
    C4H2Br2N2O
    Molecular Weight:
    253.88
    Specification Sheet SDS

  • 2,3-Diamino-6-chloropyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44636
    CAS Number:
    40851-95-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00209966
    Molecular Formula:
    C5H6ClN3
    Molecular Weight:
    143.57
    Specification Sheet SDS

  • 5-Chloro-3-methyl-1-phenyl-1H-pyrazole-4-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44619
    CAS Number:
    947-95-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00100755
    Molecular Formula:
    C11H9ClN2O
    Molecular Weight:
    220.66
    Specification Sheet SDS

  • 1-Benzyl-4-iodo-1H-pyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44617
    CAS Number:
    50877-42-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04038745
    Molecular Formula:
    C10H9IN2
    Molecular Weight:
    284.1
    Specification Sheet SDS
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