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Heterocyclic Building Blocks

3724

  • 4-Quinolinecarboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Cinchoninic acid
    Catalog Number:
    27082
    CAS Number:
    486-74-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006782
    Molecular Formula:
    C10H7NO2
    Molecular Weight:
    173.17
    Specification Sheet SDS

  • 3-Bromoquinoline

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    27080
    CAS Number:
    5332-24-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00006767
    Molecular Formula:
    C9H6BrN
    Molecular Weight:
    208.06
    Specification Sheet SDS

  • N-Benzyl-4-hydroxypiperidine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    N-Benzyl-4-piperidinol
    Catalog Number:
    27071
    CAS Number:
    4727-72-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006503
    Molecular Formula:
    C12H17NO
    Molecular Weight:
    191.27
    Specification Sheet SDS

  • N-Methylpiperidine

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    1-Methylpiperidine
    Hazmat
    Catalog Number:
    27069
    CAS Number:
    626-67-5
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00006491
    Molecular Formula:
    C6H13N
    Molecular Weight:
    99.18
    Specification Sheet SDS

  • Ethyl 4-amino-1-piperidinecarboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Aminopiperidin-1-carboxylic acid ethyl ester
    Catalog Number:
    27068
    CAS Number:
    58859-46-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006484
    Molecular Formula:
    C8H16N2O2
    Molecular Weight:
    172.23
    Specification Sheet SDS

  • 3,5-Dichloropyridine

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    27047
    CAS Number:
    2457-47-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006376
    Molecular Formula:
    C5H3Cl2N
    Molecular Weight:
    147.99
    Specification Sheet SDS

  • 3-Chloropyridine

    Hazmat
    Purity:
    ≥ 99.5% (GC)
    Hazmat
    Catalog Number:
    27046
    CAS Number:
    626-60-8
    Purity Limit:
    ≥ 99.5% (GC)
    MDL NO:
    MFCD00006375
    Molecular Formula:
    C5H4ClN
    Molecular Weight:
    113.55
    Specification Sheet SDS

  • 3-Bromopyridine

    Hazmat
    Purity:
    ≥ 99.9% (GC)
    Hazmat
    Catalog Number:
    27044
    CAS Number:
    626-55-1
    Purity Limit:
    ≥ 99.9% (GC)
    MDL NO:
    MFCD00006373
    Molecular Formula:
    C5H4BrN
    Molecular Weight:
    158.0
    Specification Sheet SDS

  • 2-Amino-5-chloropyridine

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    27034
    CAS Number:
    1072-98-6
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00006324
    Molecular Formula:
    C5H5ClN2
    Molecular Weight:
    128.56
    Specification Sheet SDS

  • 2-Amino-5-bromopyridine

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    3-Bromo-6-aminopyridine
    Hazmat
    Catalog Number:
    27033
    CAS Number:
    1072-97-5
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00006323
    Molecular Formula:
    C5H5BrN2
    Molecular Weight:
    173.01
    Specification Sheet SDS

  • 5-Chloro-2-hydroxypyridine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    3-Chloro-6-hydroxypyridine
    Catalog Number:
    27022
    CAS Number:
    4214-79-3
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00006275
    Molecular Formula:
    C5H4ClNO
    Molecular Weight:
    129.55
    Specification Sheet SDS

  • 2-Chloro-6-methoxypyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Methoxy-6-chloropyridine
    Catalog Number:
    27020
    CAS Number:
    17228-64-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006265
    Molecular Formula:
    C6H6ClNO
    Molecular Weight:
    143.57
    Specification Sheet SDS

  • 2-Amino-3,5-dichloropyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    27028
    CAS Number:
    4214-74-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006313
    Molecular Formula:
    C5H4Cl2N2
    Molecular Weight:
    163.01
    Specification Sheet SDS

  • 2-Chloro-6-methylpyridine

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    27011
    CAS Number:
    18368-63-3
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006245
    Molecular Formula:
    C6H6ClN
    Molecular Weight:
    127.57
    Specification Sheet SDS

  • 6-Chloronicotinamide

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    6-Chloro-3-pyridinecarboxamide
    Catalog Number:
    27009
    CAS Number:
    6271-78-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006242
    Molecular Formula:
    C6H5ClN2O
    Molecular Weight:
    156.57
    Specification Sheet SDS

  • 2,6-Dichloropyridine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Chloropicoline
    Hazmat
    Catalog Number:
    27010
    CAS Number:
    2402-78-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006244
    Molecular Formula:
    C5H3Cl2N
    Molecular Weight:
    147.99
    Specification Sheet SDS

  • 2,5-Dichloropyridine

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    27007
    CAS Number:
    16110-09-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006239
    Molecular Formula:
    C5H3Cl2N
    Molecular Weight:
    147.99
    Specification Sheet SDS

  • 6-Chloronicotinic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    6-Chloropyridine-3-carboxylic acid
    Catalog Number:
    27008
    CAS Number:
    5326-23-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00006241
    Molecular Formula:
    C6H4ClNO2
    Molecular Weight:
    157.56
    Specification Sheet SDS

  • 2-Chloro-3-nitropyridine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3-Nitro-2-chloro pyridine
    Catalog Number:
    27003
    CAS Number:
    5470-18-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00006232
    Molecular Formula:
    C5H3ClN2O2
    Molecular Weight:
    158.54
    Specification Sheet SDS

  • 2-Chloro-3-hydroxypyridine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-Chloro-3-pyridinol
    Catalog Number:
    27006
    CAS Number:
    6636-78-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00006235
    Molecular Formula:
    C5H4ClNO
    Molecular Weight:
    129.55
    Specification Sheet SDS

  • 2,6-Dichloro-3-nitropyridine

    Purity:
    ≥ 99% (GC)
    Synonym:
    3-Nitro-2,6-dichloropyridine
    Catalog Number:
    27005
    CAS Number:
    16013-85-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006234
    Molecular Formula:
    C5H2Cl2N2O2
    Molecular Weight:
    192.99
    Specification Sheet SDS

  • 2-Chloro-3,5-dinitropyridine

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    27004
    CAS Number:
    2578-45-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006233
    Molecular Formula:
    C5H2ClN3O4
    Molecular Weight:
    203.54
    Specification Sheet SDS

  • 2,3-Dichloropyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    27002
    CAS Number:
    2402-77-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006229
    Molecular Formula:
    C5H3Cl2N
    Molecular Weight:
    147.99
    Specification Sheet SDS

  • 2-Bromo-3-hydroxypyridine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-Hydroxy-2-bromopyridine
    Catalog Number:
    26999
    CAS Number:
    6602-32-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006220
    Molecular Formula:
    C5H4BrNO
    Molecular Weight:
    174.0
    Specification Sheet SDS

  • 2-Bromo-5-nitropyridine

    Hazmat
    Purity:
    ≥ 97% (HPLC)
    Synonym:
    5-Nitro-2-bromopyridine
    Hazmat
    Catalog Number:
    27000
    CAS Number:
    4487-59-6
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00006222
    Molecular Formula:
    C5H3BrN2O2
    Molecular Weight:
    203.0
    Specification Sheet SDS

  • 4-Amino-2,6-dimethylpyrimidine

    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Amino-2,4-dimethylpyrimidine
    Catalog Number:
    26982
    CAS Number:
    461-98-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006106
    Molecular Formula:
    C6H9N3
    Molecular Weight:
    123.16
    Specification Sheet SDS

  • 2-Chloropyrimidine

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    26977
    CAS Number:
    1722-12-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00006060
    Molecular Formula:
    C4H3ClN2
    Molecular Weight:
    114.54
    Specification Sheet SDS

  • 2-Mercaptopyrimidine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-Pyrimidinethiol
    Catalog Number:
    26978
    CAS Number:
    1450-85-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00006073
    Molecular Formula:
    C4H4N2S
    Molecular Weight:
    112.16
    Specification Sheet SDS

  • Pyrazine-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Pyrazinoic acid
    Catalog Number:
    26983
    CAS Number:
    98-97-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006130
    Molecular Formula:
    C5H4N2O2
    Molecular Weight:
    124.1
    Specification Sheet SDS

  • 2-Methylthio-4,6-dichloropyrimidine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4,6-Dichloro-2-methythiopyrimidine
    Catalog Number:
    26979
    CAS Number:
    6299-25-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00006086
    Molecular Formula:
    C5H4Cl2N2S
    Molecular Weight:
    195.07
    Specification Sheet SDS

  • N-(2-Hydroxyethyl)piperazine

    Purity:
    ≥ 99.9%
    Synonym:
    Piperazine-1-ethanol
    Catalog Number:
    26973
    CAS Number:
    103-76-4
    Purity Limit:
    ≥ 99.9%
    MDL NO:
    MFCD00005970
    Molecular Formula:
    C6H14N2O
    Molecular Weight:
    130.19
    Specification Sheet SDS

  • 3,5-Dimethylpiperidine (cis- and trans- mixture)

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    3,5-Lupetidine (cis- and trans- mixture)
    Hazmat
    Catalog Number:
    26975
    CAS Number:
    35794-11-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005996
    Molecular Formula:
    C7H15N
    Molecular Weight:
    113.2
    Specification Sheet SDS

  • Piperazine-1-carboxylic acid ethyl ester

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Ethyl-1-piperazine carboxylate
    Hazmat
    Catalog Number:
    26970
    CAS Number:
    120-43-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005964
    Molecular Formula:
    C7H14N2O2
    Molecular Weight:
    158.2
    Specification Sheet SDS

  • 2-Thiophenealdehyde

    Purity:
    ≥ 99% (GC)
    Synonym:
    Thienyl-2-aldehyde
    Catalog Number:
    26946
    CAS Number:
    98-03-3
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005429
    Molecular Formula:
    C5H4OS
    Molecular Weight:
    112.15
    Specification Sheet SDS

  • 2-(1-Piperazinyl)anisole

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    1-(2-Methoxyphenyl)piperazine
    Hazmat
    Catalog Number:
    26969
    CAS Number:
    35386-24-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005958
    Molecular Formula:
    C11H16N2O
    Molecular Weight:
    192.26
    Specification Sheet SDS

  • 5-Methylisatin

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Methylindoline-2,3-dione
    Catalog Number:
    26965
    CAS Number:
    608-05-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00005721
    Molecular Formula:
    C9H7NO2
    Molecular Weight:
    161.16
    Specification Sheet SDS

  • Thiophene-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-Thenoic acid
    Catalog Number:
    26948
    CAS Number:
    88-13-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00005467
    Molecular Formula:
    C5H4O2S
    Molecular Weight:
    128.15
    Specification Sheet SDS

  • 2,4-Thiazolidinedione

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Thiazolidine-2,4-dione
    Catalog Number:
    26950
    CAS Number:
    2295-31-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005478
    Molecular Formula:
    C3H3NO2S
    Molecular Weight:
    117.13
    Specification Sheet SDS

  • 5-Chlorobenzotriazole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    5-Chloro-1H-benzotriazole
    Catalog Number:
    26964
    CAS Number:
    94-97-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005700
    Molecular Formula:
    C6H4ClN3
    Molecular Weight:
    153.57
    Specification Sheet SDS

  • 6-Aminoindazole

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    6-Amino-1H-indazole
    Catalog Number:
    26963
    CAS Number:
    6967-12-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00005696
    Molecular Formula:
    C7H7N3
    Molecular Weight:
    133.15
    Specification Sheet SDS

  • Benzimidazole

    Purity:
    ≥ 99% (Assay)
    Synonym:
    1,3-Benzodiazole
    Catalog Number:
    26958
    CAS Number:
    51-17-2
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00005585
    Molecular Formula:
    C7H6N2
    Molecular Weight:
    118.14
    Specification Sheet SDS

  • 4-Methyl-5-thiazoleethanol

    Purity:
    99 - 100% (GC)
    Synonym:
    5-Hydroxyethyl-4-methylthiazole
    Catalog Number:
    26938
    CAS Number:
    137-00-8
    Purity Limit:
    99 - 100% (GC)
    MDL NO:
    MFCD00005339
    Molecular Formula:
    C6H9NOS
    Molecular Weight:
    143.21
    Specification Sheet SDS

  • 3-Acetylthiophene

    Purity:
    ≥ 98% (NMR)
    Catalog Number:
    26949
    CAS Number:
    1468-83-3
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD00005468
    Molecular Formula:
    C6H6OS
    Molecular Weight:
    126.18
    Specification Sheet SDS

  • Ethyl 3-furoate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    3-Furoic acid ethyl ester
    Hazmat
    Catalog Number:
    26941
    CAS Number:
    614-98-2
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005348
    Molecular Formula:
    C7H8O3
    Molecular Weight:
    140.14
    Specification Sheet SDS

  • 3-Bromofuran

    Hazmat
    Purity:
    ≥ 98% (Assay)
    Hazmat
    Catalog Number:
    26940
    CAS Number:
    22037-28-1
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00005347
    Molecular Formula:
    C4H3BrO
    Molecular Weight:
    146.97
    Specification Sheet SDS

  • 4-Iodo-1H-pyrazole

    Purity:
    ≥ 99% (GC)
    Synonym:
    4-Iodopyrazole
    Catalog Number:
    26932
    CAS Number:
    3469-69-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005244
    Molecular Formula:
    C3H3IN2
    Molecular Weight:
    193.97
    Specification Sheet SDS

  • Furan-3-methanol

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    3-Furanmethanol
    Hazmat
    Catalog Number:
    26943
    CAS Number:
    4412-91-3
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005352
    Molecular Formula:
    C5H6O2
    Molecular Weight:
    98.1
    Specification Sheet SDS

  • 3-Furancarboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3-Furoic acid
    Catalog Number:
    26942
    CAS Number:
    488-93-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005350
    Molecular Formula:
    C5H4O3
    Molecular Weight:
    112.08
    Specification Sheet SDS

  • 1-(4-Tolylsulfonyl)imidazole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1-Tosyl-1H-imidazole
    Catalog Number:
    26935
    CAS Number:
    2232-08-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005285
    Molecular Formula:
    C10H10N2O2S
    Molecular Weight:
    222.27
    Specification Sheet SDS

  • N-Benzylimidazole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1-Benzylimidazole
    Catalog Number:
    26936
    CAS Number:
    4238-71-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005296
    Molecular Formula:
    C10H10N2
    Molecular Weight:
    158.2
    Specification Sheet SDS
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