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Building Blocks

8717
Sub Categories
Fluorinated Building Blocks 1834
Heterocyclic Building Blocks 3772
Non-Heterocyclic Building Blocks 3171

  • 3-Tetradecylthiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44204
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    110851-66-6
    MDL NO:
    MFCD09750675
    Molecular Formula:
    C18H32S
    Molecular Weight:
    280.51
    Specification Sheet SDS

  • 3-Methyl-2-thiophenecarboxylic acid

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    3-Methyl-2-thenoic acid
    Catalog Number:
    44200
    Purity Limit:
    ≥ 98% (Assay by titration)
    CAS Number:
    23806-24-8
    MDL NO:
    MFCD00005438
    Molecular Formula:
    C6H6O2S
    Molecular Weight:
    142.17
    Specification Sheet SDS

  • Dibenzothiophene-4-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44207
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    23985-81-1
    MDL NO:
    MFCD00961967
    Molecular Formula:
    C13H8OS
    Molecular Weight:
    212.27
    Specification Sheet SDS

  • 2,5-Dimethylthiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44197
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    638-02-8
    MDL NO:
    MFCD00005452
    Molecular Formula:
    C6H8S
    Molecular Weight:
    112.19
    Specification Sheet SDS

  • 3-Thiopheneethanol

    Purity:
    ≥ 97% (GC)
    Synonym:
    3-(2-Hydroxyethyl)thiophene
    Catalog Number:
    44203
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    13781-67-4
    MDL NO:
    MFCD00009766
    Molecular Formula:
    C6H8OS
    Molecular Weight:
    128.19
    Specification Sheet SDS

  • 3-(2-Thienyl)pyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(3-Pyridyl)thiophene
    Catalog Number:
    44193
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    21298-53-3
    MDL NO:
    MFCD01860052
    Molecular Formula:
    C9H7NS
    Molecular Weight:
    161.22
    Specification Sheet SDS

  • 2-Thiophenemethanethiol

    Purity:
    ≥ 95% (GC)
    Synonym:
    Thenyl mercaptan
    Catalog Number:
    44205
    Purity Limit:
    ≥ 95% (GC)
    CAS Number:
    6258-63-5
    MDL NO:
    MFCD00107135
    Molecular Formula:
    C5H6S2
    Molecular Weight:
    130.22
    Specification Sheet SDS

  • 3-Methyl-2-thenoyl chloride

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Methylthiophene-2-carbonyl chloride
    Hazmat
    Catalog Number:
    44199
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    61341-26-2
    MDL NO:
    MFCD00130091
    Molecular Formula:
    C6H5ClOS
    Molecular Weight:
    160.62
    Specification Sheet SDS

  • 1,4-Di(2-thienyl)-1,4-butanedione

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44202
    Purity Limit:
    ≥ 95% (GC)
    CAS Number:
    13669-05-1
    MDL NO:
    MFCD00208362
    Molecular Formula:
    C12H10O2S2
    Molecular Weight:
    250.33
    Specification Sheet SDS

  • 2,2-Dimethyl-5-(3-thienyl)-1,3-dioxane-4,6-dione

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-(Thienyl)meldrum's acid
    Catalog Number:
    44198
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    61857-83-8
    MDL NO:
    MFCD08458279
    Molecular Formula:
    C10H10O4S
    Molecular Weight:
    226.25
    Specification Sheet SDS

  • 2,2'-Dithienyl disulfide

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Di(2-thienyl) disulfide
    Catalog Number:
    44194
    Purity Limit:
    ≥ 97% (HPLC)
    CAS Number:
    6911-51-9
    MDL NO:
    MFCD00066333
    Molecular Formula:
    C8H6S4
    Molecular Weight:
    230.38
    Specification Sheet SDS

  • 2,5-Thiophenedicarboxylic acid

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44196
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    4282-31-9
    MDL NO:
    MFCD00016896
    Molecular Formula:
    C6H4O4S
    Molecular Weight:
    172.15
    Specification Sheet SDS

  • 3-(2-Ethylhexyl)thiophene

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44190
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    121134-38-1
    MDL NO:
    MFCD02260336
    Molecular Formula:
    C12H20S
    Molecular Weight:
    196.35
    Specification Sheet SDS

  • 3-(Dimethylamino)-1-(2-thienyl)-1-propanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-[3-(Dimethylamino)-1-hydroxypropyl]thiophene
    Catalog Number:
    44195
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    13636-02-7
    MDL NO:
    MFCD09701963
    Molecular Formula:
    C9H15NOS
    Molecular Weight:
    185.29
    Specification Sheet SDS

  • 2,2'-Bithiophene

    Purity:
    ≥ 99% (GC)
    Synonym:
    2,2'-Bithienyl
    Catalog Number:
    44192
    Purity Limit:
    ≥ 99% (GC)
    CAS Number:
    492-97-7
    MDL NO:
    MFCD00005414
    Molecular Formula:
    C8H6S2
    Molecular Weight:
    166.26
    Specification Sheet SDS

  • 2-Methyltetrahydrothiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44188
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    1795-09-1
    MDL NO:
    MFCD00015539
    Molecular Formula:
    C5H10S
    Molecular Weight:
    102.2
    Specification Sheet SDS

  • trans-1,2-Dicyano-1,2-bis(2,4,5-trimethyl-3-thienyl)ethene

    Hazmat
    Purity:
    ≥ 97%
    Synonym:
    1,2-Bis(2,4,5-trimethyl-3-thienyl)-trans-1,2-dicyanoethene
    Hazmat
    Catalog Number:
    44191
    Purity Limit:
    ≥ 97%
    CAS Number:
    112440-50-3
    MDL NO:
    MFCD00145417
    Molecular Formula:
    C18H18N2S2
    Molecular Weight:
    326.48
    Specification Sheet SDS

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

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44186
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    54903-50-3
    MDL NO:
    MFCD03839944
    Molecular Formula:
    C7H9NS
    Molecular Weight:
    139.22
    Specification Sheet SDS

  • Thieno[2,3-b]thiophene

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    1,6-Dithiapentalene
    Hazmat
    Catalog Number:
    44187
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    250-84-0
    MDL NO:
    MFCD02824126
    Molecular Formula:
    C6H4S2
    Molecular Weight:
    140.22
    Specification Sheet SDS

  • 5-Methyl-2-(2-nitroanilino)-3-thiophenecarbonitrile

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    3-Cyano-5-methyl-2-(2-nitroanilino)thiophene
    Hazmat
    Catalog Number:
    44184
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    138564-59-7
    MDL NO:
    MFCD06408054
    Molecular Formula:
    C12H9N3O2S
    Molecular Weight:
    259.28
    Specification Sheet SDS

  • 4,8-Bis-n-octyloxybenzo[1,2-b:4,5-b]dithiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44185
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    1098102-94-3
    MDL NO:
    MFCD26793498
    Molecular Formula:
    C26H38O2S2
    Molecular Weight:
    446.71
    Specification Sheet SDS

  • 3-Butylthiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44189
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    34722-01-5
    MDL NO:
    MFCD00143179
    Molecular Formula:
    C8H12S
    Molecular Weight:
    140.24
    Specification Sheet SDS

  • 3-Nonylthiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44169
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    65016-63-9
    MDL NO:
    MFCD00130137
    Molecular Formula:
    C13H22S
    Molecular Weight:
    210.38
    Specification Sheet SDS

  • 2-Acetylthiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Methyl 2-thienyl ketone
    Hazmat
    Catalog Number:
    44175
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    88-15-3
    MDL NO:
    MFCD00005442
    Molecular Formula:
    C6H6OS
    Molecular Weight:
    126.17
    Specification Sheet SDS

  • 2-Hexylthiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44183
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    18794-77-9
    MDL NO:
    MFCD00022535
    Molecular Formula:
    C10H16S
    Molecular Weight:
    168.3
    Specification Sheet SDS

  • 2-(2-Aminoethyl)thiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(2-Thienyl)ethylamine
    Hazmat
    Catalog Number:
    44179
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    30433-91-1
    MDL NO:
    MFCD00051495
    Molecular Formula:
    C6H9NS
    Molecular Weight:
    127.21
    Specification Sheet SDS

  • 3-(tert-Butoxycarbonylamino)thiophene-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-(Boc-amino)thiophene-2-carboxylic acid
    Catalog Number:
    44180
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    101537-64-8
    MDL NO:
    MFCD02682396
    Molecular Formula:
    C10H13NO4S
    Molecular Weight:
    243.28
    Specification Sheet SDS

  • 3-Heptylthiophene

    Purity:
    ≥ 94% (GC)
    Catalog Number:
    44181
    Purity Limit:
    ≥ 94% (GC)
    CAS Number:
    65016-61-7
    MDL NO:
    MFCD00130131
    Molecular Formula:
    C11H18S
    Molecular Weight:
    182.33
    Specification Sheet SDS

  • 3-Ethylthiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44171
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    1795-01-3
    MDL NO:
    MFCD00070514
    Molecular Formula:
    C6H8S
    Molecular Weight:
    112.19
    Specification Sheet SDS

  • 3-Pentylthiophene

    Hazmat
    Purity:
    ≥ 97% (GC)
    Hazmat
    Catalog Number:
    44182
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    102871-31-8
    MDL NO:
    MFCD00143182
    Molecular Formula:
    C9H14S
    Molecular Weight:
    154.27
    Specification Sheet SDS

  • 3-Hexylthiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44178
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    1693-86-3
    MDL NO:
    MFCD00143181
    Molecular Formula:
    C10H16S
    Molecular Weight:
    168.3
    Specification Sheet SDS

  • 2-Acetyl-5-methylthiophene

    Hazmat
    Purity:
    ≥ 96% (GC)
    Hazmat
    Catalog Number:
    44177
    Purity Limit:
    ≥ 96% (GC)
    CAS Number:
    13679-74-8
    MDL NO:
    MFCD00014529
    Molecular Formula:
    C7H8OS
    Molecular Weight:
    140.2
    Specification Sheet SDS

  • 4-Cyano-3-tetrahydrothiophenone

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Cyano-3-oxotetrahydrothiophene
    Catalog Number:
    44176
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    16563-14-7
    MDL NO:
    MFCD00059049
    Molecular Formula:
    C5H5NOS
    Molecular Weight:
    127.16
    Specification Sheet SDS

  • 3-Acetyl-2-(methylaminosulfonyl)thiophene

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Acetyl-2-thiophene-N-methylsulfonamide
    Catalog Number:
    44173
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    138891-01-7
    MDL NO:
    MFCD00191372
    Molecular Formula:
    C7H9NO3S2
    Molecular Weight:
    219.27
    Specification Sheet SDS

  • 5-Formylthiophene-2-carbonitrile

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Cyanothiophene-2-carboxyaldehyde
    Catalog Number:
    44174
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    21512-16-3
    MDL NO:
    MFCD09037804
    Molecular Formula:
    C6H3NOS
    Molecular Weight:
    137.16
    Specification Sheet SDS

  • Benzo[1,2-b:4,5-b]dithiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44168
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    267-65-2
    MDL NO:
    MFCD14708168
    Molecular Formula:
    C10H6S2
    Molecular Weight:
    190.28
    Specification Sheet SDS

  • 2,2'-Bithiophene-5,5'-dicarboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    5,5'-Diformyl-2,2'-bithiophene
    Catalog Number:
    44172
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    32364-72-0
    MDL NO:
    MFCD00839981
    Molecular Formula:
    C10H6O2S2
    Molecular Weight:
    222.28
    Specification Sheet SDS

  • Benzo[b]thiophene-2-carbonyl chloride

    Hazmat
    Purity:
    ≥ 95% (NMR)
    Hazmat
    Catalog Number:
    44170
    Purity Limit:
    ≥ 95% (NMR)
    CAS Number:
    39827-11-7
    MDL NO:
    MFCD00051635
    Molecular Formula:
    C9H5ClOS
    Molecular Weight:
    196.65
    Specification Sheet SDS

  • 3-Thiophenemethylamine

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    3-(Aminomethyl)thiophene
    Hazmat
    Catalog Number:
    44165
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    27757-86-4
    MDL NO:
    MFCD01529872
    Molecular Formula:
    C5H7NS
    Molecular Weight:
    113.18
    Specification Sheet SDS

  • 2,2-Dimethylthiazolidine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44150
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    19351-18-9
    MDL NO:
    MFCD00014488
    Molecular Formula:
    C5H11NS
    Molecular Weight:
    117.21
    Specification Sheet SDS

  • 5-n-Octyl-2,2'-bithiophene

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44161
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    93164-73-9
    MDL NO:
    MFCD22581443
    Molecular Formula:
    C16H22S2
    Molecular Weight:
    278.47
    Specification Sheet SDS

  • 2,3,5-Trimethylthiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44160
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    1795-05-7
    MDL NO:
    MFCD00142784
    Molecular Formula:
    C7H10S
    Molecular Weight:
    126.22
    Specification Sheet SDS

  • Benzo[b]thiophene-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44166
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    5381-25-9
    MDL NO:
    MFCD01846406
    Molecular Formula:
    C9H6O2S
    Molecular Weight:
    178.21
    Specification Sheet SDS

  • 2-Methylbenzothiazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44138
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    120-75-2
    MDL NO:
    MFCD00005794
    Molecular Formula:
    C8H7NS
    Molecular Weight:
    149.21
    Specification Sheet SDS

  • 2-(Methylthio)-2-thiazoline

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(Methylmercapto)-2-thiazoline
    Hazmat
    Catalog Number:
    44155
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    19975-56-5
    MDL NO:
    MFCD00005312
    Molecular Formula:
    C4H7NS2
    Molecular Weight:
    133.23
    Specification Sheet SDS

  • 2-Thiophenesulfonamide

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44164
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    6339-87-3
    MDL NO:
    MFCD00185853
    Molecular Formula:
    C4H5NO2S2
    Molecular Weight:
    163.21
    Specification Sheet SDS

  • 2-(Aminomethyl)thiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    (2-Thienyl)methylamine
    Hazmat
    Catalog Number:
    44163
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    27757-85-3
    MDL NO:
    MFCD00005460
    Molecular Formula:
    C5H7NS
    Molecular Weight:
    113.18
    Specification Sheet

  • Methyl thiophene-3-carboxylate

    Purity:
    ≥ 97% (GC)
    Synonym:
    Thiophene-3-carboxylic acid methyl ester
    Catalog Number:
    44159
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    22913-26-4
    MDL NO:
    MFCD06203810
    Molecular Formula:
    C6H6O2S
    Molecular Weight:
    142.17
    Specification Sheet SDS

  • 3-n-Octylthiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44156
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    65016-62-8
    MDL NO:
    MFCD00085281
    Molecular Formula:
    C12H20S
    Molecular Weight:
    196.35
    Specification Sheet SDS

  • N-tert-butyl-2-thiophenesulfonamide

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(tert-Butylaminosulfonyl)thiophene
    Catalog Number:
    44167
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    100342-30-1
    MDL NO:
    MFCD02047252
    Molecular Formula:
    C8H13NO2S2
    Molecular Weight:
    219.32
    Specification Sheet SDS
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