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Heterocyclic Building Blocks

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  • 2-Bromo-4-hexylthiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44985
    CAS Number:
    210705-84-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD18413571
    Molecular Formula:
    C10H15BrS
    Molecular Weight:
    247.19
  • 4-Bromo-2-methylthiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44987
    CAS Number:
    29421-92-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04116367
    Molecular Formula:
    C5H5BrS
    Molecular Weight:
    177.06
  • 2,3,5-Tribromothiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44971
    CAS Number:
    3141-24-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00014521
    Molecular Formula:
    C4HBr3S
    Molecular Weight:
    320.82
  • Catalog Number:
    44990
    CAS Number:
    925899-21-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD28101692
    Molecular Formula:
    C12H19BrS
    Molecular Weight:
    275.25
  • 2-Bromo-3-methylthiophene

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    44968
    CAS Number:
    14282-76-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00059741
    Molecular Formula:
    C5H5BrS
    Molecular Weight:
    0
  • Catalog Number:
    44984
    CAS Number:
    362513-28-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08276302
    Molecular Formula:
    C12H11BrS
    Molecular Weight:
    267.18
  • 2-Bromo-3-decylthiophene

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44980
    CAS Number:
    144012-09-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD16619251
    Molecular Formula:
    C14H23BrS
    Molecular Weight:
    303.3
  • Catalog Number:
    44966
    CAS Number:
    60813-84-5
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00191528
    Molecular Formula:
    C7H9IS
    Molecular Weight:
    252.11
  • 6-Bromo-2-benzothiazolinone

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44962
    CAS Number:
    62266-82-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00239363
    Molecular Formula:
    C7H4BrNOS
    Molecular Weight:
    230.08
  • 3-Iodothiophene

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Thienyl iodide
    Catalog Number:
    44967
    CAS Number:
    10486-61-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00037901
    Molecular Formula:
    C4H3IS
    Molecular Weight:
    210.03
  • 2-Iodo-5-phenylthiophene

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44965
    CAS Number:
    13781-37-8
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD13180547
    Molecular Formula:
    C10H7IS
    Molecular Weight:
    286.13
  • 3-Bromo-4-methylthiophene

    Purity:
    ≥ 93% (GC)
    Catalog Number:
    44978
    CAS Number:
    30318-99-1
    Purity Limit:
    ≥ 93% (GC)
    MDL NO:
    MFCD00130084
    Molecular Formula:
    C5H5BrS
    Molecular Weight:
    177.06
  • Tetrabromothiophene

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    44969
    CAS Number:
    3958-03-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005419
    Molecular Formula:
    C4Br4S
    Molecular Weight:
    399.72
  • 2-Iodothiophene

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Thienyl iodide
    Catalog Number:
    44964
    CAS Number:
    3437-95-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005424
    Molecular Formula:
    C4H3IS
    Molecular Weight:
    210.03
  • 5-Chloro-2-mercaptobenzothiazole

    Purity:
    ≥ 96% (Assay by titration)
    Synonym:
    CMBT
    Catalog Number:
    44953
    CAS Number:
    5331-91-9
    Purity Limit:
    ≥ 96% (Assay by titration)
    MDL NO:
    MFCD00005783
    Molecular Formula:
    C7H4ClNS2
    Molecular Weight:
    201.69
  • 5-Chlorothiophene-2-carbonyl chloride

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Chloro-2-thenoyl chloride
    Hazmat
    Catalog Number:
    44975
    CAS Number:
    42518-98-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00043886
    Molecular Formula:
    C5H2Cl2OS
    Molecular Weight:
    0
  • Catalog Number:
    44960
    CAS Number:
    302964-24-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD10000630
    Molecular Formula:
    C11H10ClN3OS
    Molecular Weight:
    267.73
  • Methyl 2-bromothiazole-4-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Bromothiazole-4-carboxylic acid methyl ester
    Catalog Number:
    44956
    CAS Number:
    170235-26-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD06659908
    Molecular Formula:
    C5H4BrNO2S
    Molecular Weight:
    222.06
  • Catalog Number:
    44959
    CAS Number:
    5198-87-8
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD08544408
    Molecular Formula:
    C4H2ClNO2S
    Molecular Weight:
    163.58
  • 5-Bromo-2-thiophenesulfonyl chloride

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44972
    CAS Number:
    55854-46-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00084909
    Molecular Formula:
    C4H2BrClO2S2
    Molecular Weight:
    0
  • 3-Bromo-2-chlorothiophene

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44981
    CAS Number:
    40032-73-3
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00043883
    Molecular Formula:
    C4H2BrClS
    Molecular Weight:
    197.47
  • Catalog Number:
    44963
    CAS Number:
    64359-81-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04034673
    Molecular Formula:
    C11H17Cl2NOS
    Molecular Weight:
    282.22
  • 2-Amino-5-chlorobenzothiazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44958
    CAS Number:
    20358-00-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00205355
    Molecular Formula:
    C7H5ClN2S
    Molecular Weight:
    184.64
  • 3-Bromothiophene-2-carboxaldehyde

    Purity:
    ≥ 95% (GC)
    Synonym:
    3-Bromo-2-formylthiophene
    Catalog Number:
    44976
    CAS Number:
    930-96-1
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00126680
    Molecular Formula:
    C5H3BrOS
    Molecular Weight:
    191.04
  • 5-Chloro-2-methylbenzothiazole

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    44954
    CAS Number:
    1006-99-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00022881
    Molecular Formula:
    C8H6ClNS
    Molecular Weight:
    183.65
  • 6-Bromo-2-chlorobenzothiazole

    Purity:
    ≥ 96% (GC)
    Catalog Number:
    44947
    CAS Number:
    80945-86-4
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD04971822
    Molecular Formula:
    C7H3BrClNS
    Molecular Weight:
    248.52
  • 3-Chlorothiophene

    Hazmat
    Purity:
    ≥ 97% (GC)
    Hazmat
    Catalog Number:
    44970
    CAS Number:
    17249-80-8
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00043887
    Molecular Formula:
    C4H3ClS
    Molecular Weight:
    0
  • 2,5-Dichlorothiophene

    Hazmat
    Purity:
    ≥ 97% (GC)
    Hazmat
    Catalog Number:
    44974
    CAS Number:
    3172-52-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00005423
    Molecular Formula:
    C4H2Cl2S
    Molecular Weight:
    0
  • 2-Chlorobenzothiazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Benzothiazolyl chloride
    Catalog Number:
    44957
    CAS Number:
    615-20-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005776
    Molecular Formula:
    C7H4ClNS
    Molecular Weight:
    169.63
  • Methyl 2-bromothiazole-5-carboxylate

    Purity:
    ≥ 95% (GC)
    Synonym:
    2-Bromothiazole-5-carboxylic acid methyl ester
    Catalog Number:
    44961
    CAS Number:
    54045-74-8
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD03788565
    Molecular Formula:
    C5H4BrNO2S
    Molecular Weight:
    222.06
  • 2-Bromo-5-nitrothiazole

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44948
    CAS Number:
    3034-48-8
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00005317
    Molecular Formula:
    C3HBrN2O2S
    Molecular Weight:
    209.02
  • 2-(4-Bromophenyl)benzothiazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-(2-Benzothiazolyl)-4-bromobenzene
    Catalog Number:
    44946
    CAS Number:
    19654-19-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00579199
    Molecular Formula:
    C13H8BrNS
    Molecular Weight:
    290.18
  • Hazmat
    Catalog Number:
    44952
    CAS Number:
    69812-29-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00005320
    Molecular Formula:
    C6H7ClN2O3S2
    Molecular Weight:
    0
  • 2-Chloro-5-(chloromethyl)thiazole

    Hazmat
    Purity:
    ≥ 98% (Assay)
    Hazmat
    Catalog Number:
    44955
    CAS Number:
    105827-91-6
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD01073549
    Molecular Formula:
    C4H3Cl2NS
    Molecular Weight:
    0
  • 5-Bromo-2-methylbenzothiazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44949
    CAS Number:
    63837-11-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00603096
    Molecular Formula:
    C8H6BrNS
    Molecular Weight:
    228.11
  • 2-Chlorolepidine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloro-4-methylquinoline
    Catalog Number:
    44915
    CAS Number:
    634-47-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006742
    Molecular Formula:
    C10H8ClN
    Molecular Weight:
    177.63
  • 2-Amino-4-chlorobenzothiazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44942
    CAS Number:
    19952-47-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00005791
    Molecular Formula:
    C7H5ClN2S
    Molecular Weight:
    184.64
  • Catalog Number:
    44938
    CAS Number:
    30165-96-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00274160
    Molecular Formula:
    C6H8ClN3OS
    Molecular Weight:
    205.66
  • Catalog Number:
    44944
    CAS Number:
    3507-41-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00186100
    Molecular Formula:
    C8H6ClNS2
    Molecular Weight:
    215.71
  • 2-Bromo-5-methylthiazole

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    44950
    CAS Number:
    41731-23-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD08460610
    Molecular Formula:
    C4H4BrNS
    Molecular Weight:
    178.05
  • 2-(4-Chlorophenyl)benzothiazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44945
    CAS Number:
    6265-91-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00030229
    Molecular Formula:
    C13H8ClNS
    Molecular Weight:
    245.72
  • 2-Bromo-4-methylthiazole-5-carboxylic acid

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    44951
    CAS Number:
    40003-41-6
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD03822128
    Molecular Formula:
    C5H4BrNO2S
    Molecular Weight:
    222.06
  • 4-Chloroquinoline 1-oxide

    Purity:
    ≥ 97% (GC)
    Synonym:
    4-Chloroquinoline N-oxide
    Catalog Number:
    44926
    CAS Number:
    4637-59-6
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD18377747
    Molecular Formula:
    C9H6ClNO
    Molecular Weight:
    179.6
  • 2-Iodobenzothiazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44941
    CAS Number:
    1123-99-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00971971
    Molecular Formula:
    C7H4INS
    Molecular Weight:
    261.08
  • 2-Amino-6-chlorobenzothiazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44943
    CAS Number:
    95-24-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00053557
    Molecular Formula:
    C7H5ClN2S
    Molecular Weight:
    184.64
  • 2,6-Dichloroquinoxaline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44931
    CAS Number:
    18671-97-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00839695
    Molecular Formula:
    C8H4Cl2N2
    Molecular Weight:
    199.03
  • Catalog Number:
    44940
    CAS Number:
    90814-91-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02660583
    Molecular Formula:
    C8H6BrNOS
    Molecular Weight:
    244.11
  • 6-Chloro-2-methylquinoline

    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Chloroquinaldine
    Catalog Number:
    44918
    CAS Number:
    92-46-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00051735
    Molecular Formula:
    C10H8ClN
    Molecular Weight:
    177.63
  • 4,6-Dichloroquinoline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44922
    CAS Number:
    4203-18-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00156141
    Molecular Formula:
    C9H5Cl2N
    Molecular Weight:
    198.05
  • 6-Bromoquinoxaline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44927
    CAS Number:
    50998-17-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00837757
    Molecular Formula:
    C8H5BrN2
    Molecular Weight:
    209.05