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Heterocyclic Building Blocks

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  • Catalog Number:
    45030
    CAS Number:
    457613-56-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD29477690
    Molecular Formula:
    C22H15BrN2
    Molecular Weight:
    387.28
  • 3-Chloro-1,2,4-triazole

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    45043
    CAS Number:
    6818-99-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00128812
    Molecular Formula:
    C2H2ClN3
    Molecular Weight:
    103.51
  • 2,5-Dichloro-3-methylthiophene

    Purity:
    ≥ 96% (GC)
    Catalog Number:
    45014
    CAS Number:
    17249-90-0
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00022490
    Molecular Formula:
    C5H4Cl2S
    Molecular Weight:
    167.05
  • 5-Chlorothiophene-2-carboxaldehyde

    Purity:
    ≥ 95% (GC)
    Synonym:
    2-Chloro-5-formylthiophene
    Catalog Number:
    45008
    CAS Number:
    7283-96-7
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00047090
    Molecular Formula:
    C5H3ClOS
    Molecular Weight:
    146.59
  • Ethyl 5-chlorothiophene-2-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Chlorothiophene-2-carboxylic acid ethyl ester
    Catalog Number:
    45001
    CAS Number:
    5751-82-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00051732
    Molecular Formula:
    C7H7ClO2S
    Molecular Weight:
    190.64
  • 2-Bromo-5-dodecylthiophene

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    45002
    CAS Number:
    153561-74-1
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD22572689
    Molecular Formula:
    C16H27BrS
    Molecular Weight:
    331.36
  • 2,3,5-Tribromo-4-methylthiophene

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    45023
    CAS Number:
    67869-13-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00130086
    Molecular Formula:
    C5H3Br3S
    Molecular Weight:
    334.85
  • 2-Chloro-5-methylthiophene

    Hazmat
    Purity:
    ≥ 96% (GC)
    Hazmat
    Catalog Number:
    45005
    CAS Number:
    17249-82-0
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD01632145
    Molecular Formula:
    C5H5ClS
    Molecular Weight:
    0
  • Catalog Number:
    45031
    CAS Number:
    1606981-69-4
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD30730127
    Molecular Formula:
    C27H18BrN3
    Molecular Weight:
    464.37
  • 2,5-Dibromo-3,4-thiophenedicarboxylic anhydride

    Purity:
    ≥ 98% (GC)
    Synonym:
    4,6-Dibromothieno[3,4-c]furan-1,3-dione
    Catalog Number:
    45020
    CAS Number:
    1015423-45-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD27923031
    Molecular Formula:
    C6Br2O3S
    Molecular Weight:
    311.93
  • 2-Chloro-4,6-diamino-1,3,5-triazine

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    2,4-Diamino-6-chloro-1,3,5-triazine
    Catalog Number:
    45032
    CAS Number:
    3397-62-4
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00006054
    Molecular Formula:
    C3H4ClN5
    Molecular Weight:
    145.55
  • 2-(3-Carboxyanilino)-4,6-dichloro-1,3,5-triazine

    Purity:
    ≥ 95% (Assay by titration)
    Catalog Number:
    45033
    CAS Number:
    26940-56-7
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD00059762
    Molecular Formula:
    C10H6Cl2N4O2
    Molecular Weight:
    285.08
  • Catalog Number:
    45039
    CAS Number:
    1402225-89-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD30543410
    Molecular Formula:
    C15H9Cl2N3
    Molecular Weight:
    302.16
  • 3-Acetyl-2,5-dichlorothiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45003
    CAS Number:
    36157-40-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00014522
    Molecular Formula:
    C6H4Cl2OS
    Molecular Weight:
    195.06
  • 4,5-Dibromo-1H-1,2,3-triazole

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    45044
    CAS Number:
    15294-81-2
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD08062401
    Molecular Formula:
    C2HBr2N3
    Molecular Weight:
    226.86
  • 2,4-Dibromothiophene

    Purity:
    ≥ 90% (GC)
    Catalog Number:
    45025
    CAS Number:
    3140-92-9
    Purity Limit:
    ≥ 90% (GC)
    MDL NO:
    MFCD00043889
    Molecular Formula:
    C4H2Br2S
    Molecular Weight:
    241.93
  • 4,4'-Dibromo-2,2'-bithiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45013
    CAS Number:
    51285-60-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00508561
    Molecular Formula:
    C8H4Br2S2
    Molecular Weight:
    324.05
  • 3,5-Dibromo-1,2,4-triazole

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    45045
    CAS Number:
    7411-23-6
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00487260
    Molecular Formula:
    C2HBr2N3
    Molecular Weight:
    226.86
  • 2-Chlorothiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Thienyl chloride
    Hazmat
    Catalog Number:
    45016
    CAS Number:
    96-43-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005421
    Molecular Formula:
    C4H3ClS
    Molecular Weight:
    0
  • 2,3-Dibromothiophene

    Hazmat
    Purity:
    ≥ 95% (GC)
    Hazmat
    Catalog Number:
    45012
    CAS Number:
    3140-93-0
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00005418
    Molecular Formula:
    C4H2Br2S
    Molecular Weight:
    0
  • 3-(Chloromethyl)-1,2,4-triazolin-5-one

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-(Chloromethyl)-1H-1,2,4-triazol-5(4H-one
    Hazmat
    Catalog Number:
    45042
    CAS Number:
    252742-72-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD07776630
    Molecular Formula:
    C3H4ClN3O
    Molecular Weight:
    0
  • 4,4'-Dibromo-3,3'-bithiophene

    Purity:
    ≥ 98% (GC)
    Synonym:
    4,4'-Dibromo-3,3'-bithienyl
    Catalog Number:
    45027
    CAS Number:
    5556-13-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD17012206
    Molecular Formula:
    C8H4Br2S2
    Molecular Weight:
    324.05
  • Trichloromelamine

    Hazmat
    Purity:
    ≥ 95% (Assay by titration)
    Synonym:
    2,4,6-Tris(chloroamino)-1,3,5-triazine
    Hazmat
    Catalog Number:
    45036
    CAS Number:
    7673-09-8
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD00006047
    Molecular Formula:
    C3H3Cl3N6
    Molecular Weight:
    0
  • 5-Chloro-2-thiophenesulfonamide

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloro-5-sulfamoylthiophene
    Catalog Number:
    45017
    CAS Number:
    53595-66-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00052584
    Molecular Formula:
    C4H4ClNO2S2
    Molecular Weight:
    197.65
  • Catalog Number:
    45035
    CAS Number:
    1459162-69-6
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD30471507
    Molecular Formula:
    C33H26ClN3
    Molecular Weight:
    500.04
  • 2,4-Dichloro-6-morpholino-1,3,5-triazine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,4-Dichloro-6-(4-morpholinyl)-1,3,5-triazine
    Catalog Number:
    45038
    CAS Number:
    6601-22-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00460178
    Molecular Formula:
    C7H8Cl2N4O
    Molecular Weight:
    235.07
  • 2-Acetyl-5-chlorothiophene

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    45011
    CAS Number:
    6310-09-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005444
    Molecular Formula:
    C6H5ClOS
    Molecular Weight:
    160.62
  • 2,5-Dibromo-3-methylthiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45022
    CAS Number:
    13191-36-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00015470
    Molecular Formula:
    C5H4Br2S
    Molecular Weight:
    255.96
  • 3,5-Dibromo-2-methylthiophene

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    45028
    CAS Number:
    29421-73-6
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD07781197
    Molecular Formula:
    C5H4Br2S
    Molecular Weight:
    255.96
  • 5-Chloro-2-thiophenesulfonyl chloride

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45006
    CAS Number:
    2766-74-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00051667
    Molecular Formula:
    C4H2Cl2O2S2
    Molecular Weight:
    0
  • 2-Chloro-4,6-di-p-tolyl-1,3,5-triazine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloro-4,6-bis(4-methylphenyl)-1,3,5-triazine
    Catalog Number:
    45034
    CAS Number:
    21902-34-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD29071841
    Molecular Formula:
    C17H14ClN3
    Molecular Weight:
    295.77
  • Catalog Number:
    45029
    CAS Number:
    77989-15-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD29047055
    Molecular Formula:
    C21H14BrN3
    Molecular Weight:
    388.27
  • 2-Bromo-4-methylthiophene

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44994
    CAS Number:
    53119-60-1
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD12033287
    Molecular Formula:
    C5H5BrS
    Molecular Weight:
    177.06
  • 5-Bromo-2-thiophenemethanol

    Purity:
    ≥ 97% (GC)
    Synonym:
    2-Bromo-5-(hydroxymethyl)thiophene
    Catalog Number:
    44993
    CAS Number:
    79387-71-6
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD06202626
    Molecular Formula:
    C5H5BrOS
    Molecular Weight:
    193.06
  • 4-Bromo-2-cyanothiophene

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Bromothiophene-2-carbonitrile
    Catalog Number:
    44989
    CAS Number:
    18791-99-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00114951
    Molecular Formula:
    C5H2BrNS
    Molecular Weight:
    188.04
  • 5-Bromo-2-thiophenesulfonamide

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44977
    CAS Number:
    53595-65-6
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00067990
    Molecular Formula:
    C4H4BrNO2S2
    Molecular Weight:
    242.11
  • 2-Bromo-5-hexylthiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44988
    CAS Number:
    211737-28-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD10000906
    Molecular Formula:
    C10H15BrS
    Molecular Weight:
    247.19
  • 2-Bromo-3-dodecylthiophene

    Purity:
    ≥ 97% (GC)
    Synonym:
    2-Bromo-3-laurylthiophene
    Catalog Number:
    45000
    CAS Number:
    139100-06-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD10000891
    Molecular Formula:
    C16H27BrS
    Molecular Weight:
    331.36
  • 2-Benzoyl-5-bromothiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44995
    CAS Number:
    31161-46-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03086026
    Molecular Formula:
    C11H7BrOS
    Molecular Weight:
    267.14
  • 5-Bromo-2,2'-bithiophene-5'-carboxaldehyde

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Bromo-5'-formyl-2,2'-bithiophene
    Catalog Number:
    44998
    CAS Number:
    110046-60-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01321134
    Molecular Formula:
    C9H5BrOS2
    Molecular Weight:
    273.16
  • 2-(5-Bromo-2-thienyl)-2,3-dihydro-1H-naphtho[1,8-de][1,3,2]diazaborine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Bromo-5-(2,3-dihydro-1H-naphtho[1,8-de]-1,3,2-diazaborinyl)thiophene
    Catalog Number:
    44999
    CAS Number:
    927384-46-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD20527124
    Molecular Formula:
    C14H10BBrN2S
    Molecular Weight:
    329.02
  • 2-Bromo-5-chlorothiophene

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44973
    CAS Number:
    2873-18-9
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00014523
    Molecular Formula:
    C4H2BrClS
    Molecular Weight:
    197.47
  • 2-Bromo-5-decylthiophene

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44992
    CAS Number:
    514188-72-8
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD30742895
    Molecular Formula:
    C14H23BrS
    Molecular Weight:
    303.3
  • 4-Bromo-2-thiophenemethanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Bromo-2-(hydroxymethyl)thiophene
    Catalog Number:
    44979
    CAS Number:
    79757-77-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04115392
    Molecular Formula:
    C5H5BrOS
    Molecular Weight:
    193.06
  • Ethyl 5-bromothiophene-2-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromothiophene-2-carboxylic acid ethyl ester
    Catalog Number:
    44996
    CAS Number:
    5751-83-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02683089
    Molecular Formula:
    C7H7BrO2S
    Molecular Weight:
    235.1
  • 2-Bromo-3-hexylthiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44991
    CAS Number:
    69249-61-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09907959
    Molecular Formula:
    C10H15BrS
    Molecular Weight:
    247.19
  • 2-Bromo-3-n-octylthiophene

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44997
    CAS Number:
    145543-83-5
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD13193238
    Molecular Formula:
    C12H19BrS
    Molecular Weight:
    275.25
  • 4-Bromothiophene-2-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Bromo-2-formylthiophene
    Catalog Number:
    44982
    CAS Number:
    18791-75-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005431
    Molecular Formula:
    C5H3BrOS
    Molecular Weight:
    191.04
  • Catalog Number:
    44986
    CAS Number:
    765-58-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00130103
    Molecular Formula:
    C5H5BrS
    Molecular Weight:
    177.06
  • Catalog Number:
    44983
    CAS Number:
    16694-18-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03422294
    Molecular Formula:
    C5H3BrO2S
    Molecular Weight:
    207.04