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Heterocyclic Building Blocks

3766
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  • 4-Amino-5,6-dichloropyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44835
    CAS Number:
    310400-38-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09837293
    Molecular Formula:
    C4H3Cl2N3
    Molecular Weight:
    163.99
    Specification Sheet SDS

  • 2-Bromopyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44824
    CAS Number:
    4595-60-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00014601
    Molecular Formula:
    C4H3BrN2
    Molecular Weight:
    158.99
    Specification Sheet SDS

  • Ethyl 2,4-Dichloropyrimidine-5-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,4-Dichloropyrimidine-5-carboxylic acid ethyl ester
    Catalog Number:
    44829
    CAS Number:
    51940-64-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09910281
    Molecular Formula:
    C7H6Cl2N2O2
    Molecular Weight:
    221.04
    Specification Sheet SDS

  • 5-Bromo-2-methylpyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44827
    CAS Number:
    7752-78-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD07375143
    Molecular Formula:
    C5H5BrN2
    Molecular Weight:
    173.01
    Specification Sheet SDS

  • 2,4-Dichloro-5-methoxypyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44806
    CAS Number:
    19646-07-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02685670
    Molecular Formula:
    C5H4Cl2N2O
    Molecular Weight:
    179.0
    Specification Sheet SDS

  • 5-(4-Bromophenyl)-4,6-dichloropyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44830
    CAS Number:
    146533-41-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD13151897
    Molecular Formula:
    C10H5BrCl2N2
    Molecular Weight:
    303.97
    Specification Sheet SDS

  • 5-Bromo-2-methoxypyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44831
    CAS Number:
    14001-66-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04973351
    Molecular Formula:
    C5H5BrN2O
    Molecular Weight:
    189.01
    Specification Sheet SDS

  • 5-Bromo-2-tert-butylpyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44826
    CAS Number:
    85929-94-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00235040
    Molecular Formula:
    C8H11BrN2
    Molecular Weight:
    215.09
    Specification Sheet SDS

  • 4-Bromo-2,6-diphenylpyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44825
    CAS Number:
    40734-24-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00234885
    Molecular Formula:
    C16H11BrN2
    Molecular Weight:
    311.18
    Specification Sheet SDS

  • 2-Chloro-5-nitropyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44815
    CAS Number:
    10320-42-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04117995
    Molecular Formula:
    C4H2ClN3O2
    Molecular Weight:
    159.53
    Specification Sheet SDS

  • 5-Bromo-2-(methylthio)pyrimidine-4-carboxylic acid

    Purity:
    ≥ 97% (Assay by titration)
    Catalog Number:
    44822
    CAS Number:
    50593-92-5
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00238866
    Molecular Formula:
    C6H5BrN2O2S
    Molecular Weight:
    249.08
    Specification Sheet SDS

  • 4-Chloro-7-(p-toluenesulfonyl)-7H-pyrrolo[2,3-d]pyrimidine

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine
    Catalog Number:
    44813
    CAS Number:
    479633-63-1
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD09907939
    Molecular Formula:
    C13H10ClN3O2S
    Molecular Weight:
    307.75
    Specification Sheet SDS

  • 4-Chloro-2-methylpyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44816
    CAS Number:
    4994-86-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00234069
    Molecular Formula:
    C5H5ClN2
    Molecular Weight:
    128.56
    Specification Sheet SDS

  • 5-Bromo-2-chloropyrimidine

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44821
    CAS Number:
    32779-36-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00483232
    Molecular Formula:
    C4H2BrClN2
    Molecular Weight:
    193.43
    Specification Sheet SDS

  • 5-Bromopyrimidine

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    44823
    CAS Number:
    4595-59-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006117
    Molecular Formula:
    C4H3BrN2
    Molecular Weight:
    158.99
    Specification Sheet SDS

  • 4-Chloro-6-methyl-2-(methylthio)pyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44810
    CAS Number:
    17119-73-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00023233
    Molecular Formula:
    C6H7ClN2S
    Molecular Weight:
    174.65
    Specification Sheet SDS

  • 4-Chloro-6-methoxypyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44820
    CAS Number:
    26452-81-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD06200211
    Molecular Formula:
    C5H5ClN2O
    Molecular Weight:
    144.56
    Specification Sheet SDS

  • 4,6-Dichloro-2-methylpyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44817
    CAS Number:
    1780-26-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00090472
    Molecular Formula:
    C5H4Cl2N2
    Molecular Weight:
    163.0
    Specification Sheet SDS

  • 5-Bromo-4-chloro-2-(methylthio)pyrimidine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44819
    CAS Number:
    63810-78-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00023232
    Molecular Formula:
    C5H4BrClN2S
    Molecular Weight:
    0
    Specification Sheet SDS

  • 4-Amino-5-chloro-2,6-dimethylpyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44811
    CAS Number:
    2858-20-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00191727
    Molecular Formula:
    C6H8ClN3
    Molecular Weight:
    157.6
    Specification Sheet SDS

  • 2,4,5,6-Tetrachloropyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44818
    CAS Number:
    1780-40-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006062
    Molecular Formula:
    C4Cl4N2
    Molecular Weight:
    217.86
    Specification Sheet SDS

  • 2-Amino-4-chloro-6-methylpyrimidine

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    44812
    CAS Number:
    5600-21-5
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00006091
    Molecular Formula:
    C5H6ClN3
    Molecular Weight:
    143.57
    Specification Sheet SDS

  • Methyl 5-bromopyrimidine-2-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromopyrimidine-2-carboxylic acid methyl ester
    Catalog Number:
    44805
    CAS Number:
    89581-38-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD11111606
    Molecular Formula:
    C6H5BrN2O2
    Molecular Weight:
    217.02
    Specification Sheet SDS

  • 5-Bromo-2,4-dimethoxypyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44809
    CAS Number:
    56686-16-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00038016
    Molecular Formula:
    C6H7BrN2O2
    Molecular Weight:
    219.04
    Specification Sheet SDS

  • Methyl 2-chloronicotinate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloronicotinic acid methyl ester
    Catalog Number:
    44801
    CAS Number:
    40134-18-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01318629
    Molecular Formula:
    C7H6ClNO2
    Molecular Weight:
    171.58
    Specification Sheet SDS

  • 5,6-Dichloro-3-pyridinemethanol

    Purity:
    ≥ 96% (GC)
    Synonym:
    2,3-Dichloro-5-hydroxymethylpyridine
    Catalog Number:
    44799
    CAS Number:
    54127-30-9
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00671515
    Molecular Formula:
    C6H5Cl2NO
    Molecular Weight:
    178.01
    Specification Sheet SDS

  • 4-Chlorobenzofuro[3,2-d]pyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44808
    CAS Number:
    39876-88-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00763943
    Molecular Formula:
    C10H5ClN2O
    Molecular Weight:
    204.61
    Specification Sheet SDS

  • 2-Amino-5-bromopyrimidine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44804
    CAS Number:
    7752-82-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00012341
    Molecular Formula:
    C4H4BrN3
    Molecular Weight:
    0
    Specification Sheet SDS

  • 2-Amino-4-chloro-6-hydroxypyrimidine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Amino-4-chloro-6-pyrimidinol
    Catalog Number:
    44807
    CAS Number:
    1194-21-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006093
    Molecular Formula:
    C4H4ClN3O
    Molecular Weight:
    145.55
    Specification Sheet SDS

  • 2-Chloro-6-methylnicotinic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloro-6-methyl-3-pyridinecarboxylic acid
    Catalog Number:
    44794
    CAS Number:
    30529-70-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00134165
    Molecular Formula:
    C7H6ClNO2
    Molecular Weight:
    171.58
    Specification Sheet SDS

  • 2,5-Dichloronicotinic acid

    Purity:
    ≥ 97% (GC)
    Synonym:
    2,5-Dichloro-3-pyridinecarboxylic acid
    Catalog Number:
    44802
    CAS Number:
    59782-85-3
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD01861979
    Molecular Formula:
    C6H3Cl2NO2
    Molecular Weight:
    192.0
    Specification Sheet SDS

  • Methyl 2-bromonicotinate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Bromonicotinic acid methyl ester
    Catalog Number:
    44795
    CAS Number:
    52718-95-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD07367915
    Molecular Formula:
    C7H6BrNO2
    Molecular Weight:
    216.03
    Specification Sheet SDS

  • 2,6-Dichloro-4-pyridinemethanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,6-Dichloro-4-(hydroxymethyl)pyridine
    Catalog Number:
    44800
    CAS Number:
    101990-69-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00052638
    Molecular Formula:
    C6H5Cl2NO
    Molecular Weight:
    178.01
    Specification Sheet SDS

  • 5-Iodo-2,4-dimethoxypyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44803
    CAS Number:
    52522-99-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00090865
    Molecular Formula:
    C6H7IN2O2
    Molecular Weight:
    266.04
    Specification Sheet SDS

  • Methyl 4-chloro-2-pyridinecarboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Chloropicolinic acid methyl ester
    Catalog Number:
    44798
    CAS Number:
    24484-93-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04116183
    Molecular Formula:
    C7H6ClNO2
    Molecular Weight:
    171.58
    Specification Sheet SDS

  • 5-Bromo-2-pyridinecarboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromo-2-formylpyridine
    Catalog Number:
    44791
    CAS Number:
    31181-90-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04112535
    Molecular Formula:
    C6H4BrNO
    Molecular Weight:
    186.01
    Specification Sheet SDS

  • 2-Chloro-3-cyano-4-methoxypyridine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloro-4-methoxynicotinonitrile
    Hazmat
    Catalog Number:
    44797
    CAS Number:
    98645-43-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00975444
    Molecular Formula:
    C7H5ClN2O
    Molecular Weight:
    0
    Specification Sheet SDS

  • 4-Chloro-2,6-dimethyl-3-nitropyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Chloro-3-nitro-2,6-lutidine
    Catalog Number:
    44796
    CAS Number:
    15513-48-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08543468
    Molecular Formula:
    C7H7ClN2O2
    Molecular Weight:
    186.6
    Specification Sheet SDS

  • 5-Bromo-6-hydroxynicotinic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromo-6-hydroxy-3-pyridinecarboxylic acid
    Catalog Number:
    44789
    CAS Number:
    41668-13-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08235173
    Molecular Formula:
    C6H4BrNO3
    Molecular Weight:
    218.01
    Specification Sheet SDS

  • 3-Bromo-5-methoxypyridine

    Purity:
    ≥ 97% (Assay by titration)
    Catalog Number:
    44787
    CAS Number:
    50720-12-2
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00234169
    Molecular Formula:
    C6H6BrNO
    Molecular Weight:
    188.02
    Specification Sheet SDS

  • 5-Bromo-2-hydroxynicotinic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromo-2-hydroxy-3-pyridinecarboxylic acid
    Catalog Number:
    44790
    CAS Number:
    104612-36-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD07363801
    Molecular Formula:
    C6H4BrNO3
    Molecular Weight:
    218.01
    Specification Sheet SDS

  • 3-Bromo-4-methylpyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Bromo-4-picoline
    Catalog Number:
    44779
    CAS Number:
    3430-22-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00082592
    Molecular Formula:
    C6H6BrN
    Molecular Weight:
    172.03
    Specification Sheet SDS

  • 6-Chloro-3-pyridinemethanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloro-5-(hydroxymethyl)pyridine
    Catalog Number:
    44792
    CAS Number:
    21543-49-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01075226
    Molecular Formula:
    C6H6ClNO
    Molecular Weight:
    143.57
    Specification Sheet SDS

  • 5-Chloro-2-pyridinecarboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Chloro-2-formylpyridine
    Catalog Number:
    44793
    CAS Number:
    31181-89-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08277271
    Molecular Formula:
    C6H4ClNO
    Molecular Weight:
    141.55
    Specification Sheet SDS

  • 2,6-Bis(chloromethyl)pyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44775
    CAS Number:
    3099-28-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00142844
    Molecular Formula:
    C7H7Cl2N
    Molecular Weight:
    176.04
    Specification Sheet SDS

  • 3-(Bromomethyl)pyridine hydrobromide

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    3-Picolyl bromide hydrobromide
    Hazmat
    Catalog Number:
    44786
    CAS Number:
    4916-55-6
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD01321314
    Molecular Formula:
    C6H6BrN·HBr
    Molecular Weight:
    0
    Specification Sheet SDS

  • 5-Bromo-2-methoxy-4-methylpyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44782
    CAS Number:
    164513-39-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04039980
    Molecular Formula:
    C7H8BrNO
    Molecular Weight:
    202.05
    Specification Sheet SDS

  • 4-Bromo-2-pyridinecarboxylic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Bromopicolinic acid
    Catalog Number:
    44781
    CAS Number:
    30766-03-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03426665
    Molecular Formula:
    C6H4BrNO2
    Molecular Weight:
    202.01
    Specification Sheet SDS

  • 2-Bromo-4-cyanopyridine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Bromoisonicotinonitrile
    Hazmat
    Catalog Number:
    44788
    CAS Number:
    10386-27-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD07367879
    Molecular Formula:
    C6H3BrN2
    Molecular Weight:
    0
    Specification Sheet SDS

  • 3-Chloro-4-cyanopyridine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Chloroisonicotinonitrile
    Hazmat
    Catalog Number:
    44763
    CAS Number:
    68325-15-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD05663706
    Molecular Formula:
    C6H3ClN2
    Molecular Weight:
    0
    Specification Sheet SDS
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