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Heterocyclic Building Blocks

3724

  • 6-Iodo (1H)indazole

    Purity:
    ≥ 96% (HPLC)
    Catalog Number:
    20538
    CAS Number:
    261953-36-0
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD04114695
    Molecular Formula:
    C7H5IN2
    Molecular Weight:
    244.03
    Specification Sheet SDS

  • 5-Methyl-pyrazin-2-ylamine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-Amino-5-methyl pyrazine
    Catalog Number:
    20422
    CAS Number:
    5521-58-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD08437664
    Molecular Formula:
    C5H7N3
    Molecular Weight:
    109.13
    Specification Sheet SDS

  • 5-Chloro-2-phenyl-3H-imidazole-4-carbaldehyde

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    20394
    CAS Number:
    60367-52-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD04114644
    Molecular Formula:
    C10H7ClN2O
    Molecular Weight:
    206.63
    Specification Sheet SDS

  • 4-Bromotetrahydropyran

    Purity:
    ≥ 97% (GC)
    Synonym:
    4-Bromooxacyclohexane
    Catalog Number:
    20248
    CAS Number:
    25637-16-5
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD07371501
    Molecular Formula:
    C5H9BrO
    Molecular Weight:
    165.03
    Specification Sheet SDS

  • 4-Bromo (1H)indazole

    Hazmat
    Purity:
    ≥ 95% (HPLC)
    Synonym:
    4-Bromoindazole
    Hazmat
    Catalog Number:
    20238
    CAS Number:
    186407-74-9
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD05664001
    Molecular Formula:
    C7H5BrN2
    Molecular Weight:
    197.04
    Specification Sheet SDS

  • 2,4-Dichloro-7H-pyrrolo[2,3-d]pyrimidine

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    4,6-Dichloro purine
    Catalog Number:
    19940
    CAS Number:
    90213-66-4
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD08059278
    Molecular Formula:
    C6H3Cl2N3
    Molecular Weight:
    188.02
    Specification Sheet SDS

  • 1-Methyl-3,5-dinitro-1H-pyridin-2-one

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1-Methyl-3,5-dinitro-2-pyridone
    Catalog Number:
    19843
    CAS Number:
    14150-94-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00456280
    Molecular Formula:
    C6H5N3O5
    Molecular Weight:
    199.12
    Specification Sheet SDS

  • 5-Aminopyrimidine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Pyrimidin-5-amine
    Catalog Number:
    19494
    CAS Number:
    591-55-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01529870
    Molecular Formula:
    C4H5N3
    Molecular Weight:
    95.1
    Specification Sheet SDS

  • 4-Oxazolecarboxaldehyde

    Purity:
    ≥ 96% (Assay)
    Synonym:
    Oxazole-4-carbaldehyde
    Catalog Number:
    19470
    CAS Number:
    118994-84-6
    Purity Limit:
    ≥ 96% (Assay)
    MDL NO:
    MFCD02179512
    Molecular Formula:
    C4H3NO2
    Molecular Weight:
    97.07
    Specification Sheet SDS

  • 5-Methyl-2,3-dihydro-1H-indole

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Methylindoline
    Catalog Number:
    19131
    CAS Number:
    65826-95-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03093636
    Molecular Formula:
    C9H11N
    Molecular Weight:
    133.19
    Specification Sheet SDS

  • 5-Methyl-[1,3,4]oxadiazole-2-carboxylic acid, potassium salt

    Purity:
    ≥ 95% (NMR)
    Catalog Number:
    19126
    CAS Number:
    888504-28-7
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD08060085
    Molecular Formula:
    C4H4N2O3K
    Molecular Weight:
    166.18
    Specification Sheet SDS

  • 5-Chloro-2-methoxypyridine

    Purity:
    ≥ 99%
    Synonym:
    2-Methoxy-5-chloro pyridine
    Catalog Number:
    19104
    CAS Number:
    13473-01-3
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD06254388
    Molecular Formula:
    C6H6ClNO
    Molecular Weight:
    143.57
    Specification Sheet SDS

  • 5-Bromo-8-nitroisoquinoline

    Purity:
    ≥ 95% (NMR)
    Catalog Number:
    19097
    CAS Number:
    63927-23-1
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD02091227
    Molecular Formula:
    C9H5BrN2O2
    Molecular Weight:
    253.06
    Specification Sheet SDS

  • 5-Bromo-1H-indole-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Bromoindole-3-carboxylic acid
    Catalog Number:
    19087
    CAS Number:
    10406-06-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD05664007
    Molecular Formula:
    C9H6BrNO2
    Molecular Weight:
    240.06
    Specification Sheet SDS

  • 5-Bromo-1H-pyrazolo[3,4-b]pyridine

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    19089
    CAS Number:
    875781-17-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD05663982
    Molecular Formula:
    C6H4BrN3
    Molecular Weight:
    198.02
    Specification Sheet SDS

  • 5-(2-Bromophenyl)-2H-tetrazole

    Purity:
    ≥ 98% (NMR)
    Catalog Number:
    19030
    CAS Number:
    73096-42-1
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD06739096
    Molecular Formula:
    C7H5BrN4
    Molecular Weight:
    225.05
    Specification Sheet SDS

  • 1-N-Boc-piperidine-3-carboxamide

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    3-Carbamoyl-piperidine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    18887
    CAS Number:
    91419-49-7
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD06658365
    Molecular Formula:
    C11H20N2O3
    Molecular Weight:
    228.29
    Specification Sheet SDS

  • 3-Bromo-5-chloro-2-methoxy-pyridine

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    18880
    CAS Number:
    102830-75-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD08059322
    Molecular Formula:
    C6H5BrClNO
    Molecular Weight:
    222.47
    Specification Sheet SDS

  • 1H-Pyrazolo[3,4-b]pyridine

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    18514
    CAS Number:
    271-73-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD05663981
    Molecular Formula:
    C6H5N3
    Molecular Weight:
    119.13
    Specification Sheet SDS

  • 1'-(Benzyloxycarbonyl)spiro(indoline-3,4'-piperidine)

    Purity:
    ≥ 99% (Assay)
    Synonym:
    1'-Z-spiro[indoline-3,4'-piperidine]
    Catalog Number:
    18484
    CAS Number:
    167484-18-6
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD06738866
    Molecular Formula:
    C20H22N2O2
    Molecular Weight:
    322.41
    Specification Sheet SDS

  • Oxazole-4-carboxylic acid ethyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Ethyl 4-oxazolecarboxylate
    Catalog Number:
    18190
    CAS Number:
    23012-14-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD04114940
    Molecular Formula:
    C6H7NO3
    Molecular Weight:
    141.13
    Specification Sheet SDS

  • 7-Chloro-1,2,3,4-tetrahydrobenzo[b]azepin-5-one

    Purity:
    ≥ 99%
    Catalog Number:
    18153
    CAS Number:
    160129-45-3
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD06738694
    Molecular Formula:
    C10H10ClNO
    Molecular Weight:
    195.65
    Specification Sheet SDS

  • 4-Chlorobenzo[b]thiophene-2-carboxylic acid

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    18064
    CAS Number:
    23967-57-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD06655155
    Molecular Formula:
    C9H5ClO2S
    Molecular Weight:
    212.65
    Specification Sheet SDS

  • 1-Boc-4-(4-bromophenyl)piperazine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    4-(4-Bromophenyl)piperazine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    18045
    CAS Number:
    352437-09-3
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD07371649
    Molecular Formula:
    C15H21BrN2O2
    Molecular Weight:
    341.25
    Specification Sheet SDS

  • 1-Boc-4-(4-aminophenyl)piperidine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    4-(4-Aminophenyl)piperidine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    18042
    CAS Number:
    170011-57-1
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD05861405
    Molecular Formula:
    C16H24N2O2
    Molecular Weight:
    276.38
    Specification Sheet SDS

  • 3-Bromo-2-methoxy-pyridine

    Purity:
    ≥ 99% (GC)
    Synonym:
    2-Methoxy-3-bromopyridine
    Catalog Number:
    18024
    CAS Number:
    13472-59-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD03095349
    Molecular Formula:
    C6H6BrNO
    Molecular Weight:
    188.02
    Specification Sheet SDS

  • 1-Boc-4-(methoxy-methyl-carbamoyl)piperidine

    Synonym:
    tert-Butyl 4-[methoxy(methyl)carbamoyl]piperidine-1-carboxylate
    Catalog Number:
    17900
    CAS Number:
    139290-70-3
    MDL NO:
    MFCD07368262
    Molecular Formula:
    C13H24N2O4
    Molecular Weight:
    272.34
    SDS

  • 6-Hydroxy-1,2,3,4-tetrahydroisoquinoline

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1,2,3,4-Tetrahydro-isoquinolin-6-ol
    Catalog Number:
    17885
    CAS Number:
    14446-24-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01717047
    Molecular Formula:
    C9H11NO
    Molecular Weight:
    149.19
    Specification Sheet SDS

  • Pyrimidine-2-carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-Carboxypyrimidine
    Catalog Number:
    17811
    CAS Number:
    31519-62-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00856161
    Molecular Formula:
    C5H4N2O2
    Molecular Weight:
    124.1
    Specification Sheet SDS

  • Imidazo[1,5-a]pyridine

    Purity:
    ≥ 95% (HPLC)
    Catalog Number:
    17792
    CAS Number:
    274-47-5
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD03407375
    Molecular Formula:
    C7H6N2
    Molecular Weight:
    118.14
    Specification Sheet SDS

  • 6-Bromoindazole

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    6-Bromo-1H-indazole
    Catalog Number:
    17753
    CAS Number:
    79762-54-2
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD03265457
    Molecular Formula:
    C7H5BrN2
    Molecular Weight:
    197.04
    Specification Sheet SDS

  • Ethyl 1H-Indazole-5-carboxylate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1H-Indazole-5-carboxylic acid ethyl ester
    Catalog Number:
    17786
    CAS Number:
    192944-51-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03426220
    Molecular Formula:
    C10H10N2O2
    Molecular Weight:
    190.2
    Specification Sheet SDS

  • 6-Bromo-2-chloro quinoline

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    17755
    CAS Number:
    1810-71-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD04115272
    Molecular Formula:
    C9H5BrClN
    Molecular Weight:
    242.5
    Specification Sheet SDS

  • 5-Chloro-3-pyridinamine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-Amino-5-chloropyridine
    Catalog Number:
    17737
    CAS Number:
    22353-34-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03701386
    Molecular Formula:
    C5H5ClN2
    Molecular Weight:
    128.56
    Specification Sheet SDS

  • 4,5,6,7-Tetrahydrothieno[3,2-c]pyridine

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    17693
    CAS Number:
    28783-41-7
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD03839944
    Molecular Formula:
    C7H9NS
    Molecular Weight:
    139.22
    Specification Sheet SDS

  • 1H-Indole-2-carbaldehyde

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1H-Indole-2-carboxaldehyde
    Catalog Number:
    17607
    CAS Number:
    19005-93-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03001425
    Molecular Formula:
    C9H7NO
    Molecular Weight:
    145.16
    Specification Sheet SDS

  • 5-Acetyl-2-bromopyridine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1-(6-Bromo-pyridin-3-yl)ethanone
    Catalog Number:
    17580
    CAS Number:
    139042-59-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD04974527
    Molecular Formula:
    C7H6BrNO
    Molecular Weight:
    200.03
    Specification Sheet SDS

  • 1-Benzyl-piperidin-3-ylamine

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    1-Benzyl-3-piperidinamine
    Catalog Number:
    17588
    CAS Number:
    60407-35-4
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD04038444
    Molecular Formula:
    C12H18N2
    Molecular Weight:
    190.29
    Specification Sheet SDS

  • (6-Bromopyridin-3-yl)methanol

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (2-Bromopyridin-5-yl)methanol
    Catalog Number:
    17561
    CAS Number:
    122306-01-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD04974508
    Molecular Formula:
    C6H6BrNO
    Molecular Weight:
    188.02
    Specification Sheet SDS

  • 1,3-Oxazole-4-carboxylic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    4-Oxazolecarboxylic acid
    Catalog Number:
    17539
    CAS Number:
    23012-13-7
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD06797151
    Molecular Formula:
    C4H3NO3
    Molecular Weight:
    113.07
    Specification Sheet SDS

  • Pyrimidine-4-carboxylic acid

    Purity:
    ≥ 95% (NMR)
    Synonym:
    4-Pyrimidinecarboxylic acid
    Catalog Number:
    17543
    CAS Number:
    31462-59-6
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD00129737
    Molecular Formula:
    C5H4N2O2
    Molecular Weight:
    124.1
    Specification Sheet SDS

  • 5-Bromo-1,3-benzoxazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromobenzo[d]oxazole
    Catalog Number:
    17498
    CAS Number:
    132244-31-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03095026
    Molecular Formula:
    C7H4BrNO
    Molecular Weight:
    198.02
    Specification Sheet SDS

  • 5-Bromo-6-chloronicotinic acid

    Purity:
    ≥ 98% (Assay)
    Synonym:
    5-Bromo-6-chloropyridine-3-carboxylic acid
    Catalog Number:
    17497
    CAS Number:
    29241-62-1
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD01927098
    Molecular Formula:
    C6H3BrClNO2
    Molecular Weight:
    236.45
    Specification Sheet SDS

  • 5-(4-Chlorophenyl)-2-phenyl-2H-pyrazol-3-ylamine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3-(4-Chlorophenyl)-1-phenyl-1H-pyrazol-5-amine
    Catalog Number:
    17494
    CAS Number:
    19652-14-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00197059
    Molecular Formula:
    C15H12ClN3
    Molecular Weight:
    269.73
    Specification Sheet SDS

  • 4-Bromothiazole

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    17481
    CAS Number:
    34259-99-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06657592
    Molecular Formula:
    C3H2BrNS
    Molecular Weight:
    164.03
    Specification Sheet SDS

  • 4-(3-Phenylpropyl)piperidine

    Purity:
    ≥ 99.9% (titration)
    Catalog Number:
    17472
    CAS Number:
    18495-82-4
    Purity Limit:
    ≥ 99.9% (titration)
    MDL NO:
    MFCD00023152
    Molecular Formula:
    C14H21N
    Molecular Weight:
    203.33
    Specification Sheet SDS

  • 2-Phenyl-imidazo[1,2-a]pyridine

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    17452
    CAS Number:
    4105-21-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00219254
    Molecular Formula:
    C13H10N2
    Molecular Weight:
    194.24
    Specification Sheet SDS

  • N-Methyl-4-piperidinecarboxylic acid methyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Methyl 1-methylpiperidine-4-carboxylate
    Catalog Number:
    17425
    CAS Number:
    1690-75-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06658483
    Molecular Formula:
    C8H15NO2
    Molecular Weight:
    157.21
    Specification Sheet SDS

  • 1H-Pyrazole-3-carbaldehyde

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    1H-Pyrazole-3-carboxaldehyde
    Catalog Number:
    17422
    CAS Number:
    3920-50-1
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00129925
    Molecular Formula:
    C4H4N2O
    Molecular Weight:
    96.09
    Specification Sheet SDS

  • 1-Benzylhydantoin

    Purity:
    ≥ 98%
    Synonym:
    1-Benzyl-imidazolidine-2,4-dione
    Catalog Number:
    17172
    CAS Number:
    6777-05-5
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00466790
    Molecular Formula:
    C10H10N2O2
    Molecular Weight:
    190.2
    Specification Sheet SDS
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