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Building Blocks

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

  • 3-Decylthiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44306
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    65016-55-9
    MDL NO:
    MFCD00143180
    Molecular Formula:
    C14H24S
    Molecular Weight:
    224.41
    Specification Sheet SDS

  • 2-Methylthiophene

    Hazmat
    Purity:
    ≥ 97% (GC)
    Hazmat
    Catalog Number:
    44310
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    554-14-3
    MDL NO:
    MFCD00005451
    Molecular Formula:
    C5H6S
    Molecular Weight:
    98.16
    Specification Sheet SDS

  • Thieno[3,2-b]thiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44308
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    251-41-2
    MDL NO:
    MFCD00179479
    Molecular Formula:
    C6H4S2
    Molecular Weight:
    140.22
    Specification Sheet SDS

  • Di(thiophen-2-yl)methane

    Purity:
    ≥ 90% (GC)
    Synonym:
    2,2'-Methylenebisthiophene
    Catalog Number:
    44293
    Purity Limit:
    ≥ 90% (GC)
    CAS Number:
    4341-34-8
    MDL NO:
    MFCD00041212
    Molecular Formula:
    C9H8S2
    Molecular Weight:
    180.28
    Specification Sheet SDS

  • Thiophene-3-acetic acid

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    3-Thienylacetic acid
    Catalog Number:
    44305
    Purity Limit:
    ≥ 98% (Assay by titration)
    CAS Number:
    6964-21-2
    MDL NO:
    MFCD00005473
    Molecular Formula:
    C6H6O2S
    Molecular Weight:
    142.17
    Specification Sheet SDS

  • 3,4-Thiophenedicarboxylic acid

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44299
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    4282-29-5
    MDL NO:
    MFCD00067079
    Molecular Formula:
    C6H4O4S
    Molecular Weight:
    172.15
    Specification Sheet SDS

  • 2-(2-Thienyl)-1,3-dioxolane

    Purity:
    ≥ 97% (GC)
    Synonym:
    2-(1,3-Dioxolan-2-yl)thiophene
    Catalog Number:
    44298
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    58268-08-9
    MDL NO:
    MFCD01924576
    Molecular Formula:
    C7H8O2S
    Molecular Weight:
    156.2
    Specification Sheet SDS

  • 2-(3-Thienyl)pyridine

    Purity:
    ≥ 95% (GC)
    Synonym:
    3-(2-Pyridyl)thiophene
    Catalog Number:
    44300
    Purity Limit:
    ≥ 95% (GC)
    CAS Number:
    21298-55-5
    MDL NO:
    MFCD00006214
    Molecular Formula:
    C9H7NS
    Molecular Weight:
    161.22
    Specification Sheet SDS

  • 2-Thiopheneethanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Thienylethanol
    Catalog Number:
    44291
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    5402-55-1
    MDL NO:
    MFCD00005462
    Molecular Formula:
    C6H8OS
    Molecular Weight:
    128.19
    Specification Sheet SDS

  • 3-(Dimethylamino)-1-(2-thienyl)-1-propanone hydrochloride

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    2-[3-(Dimethylamino)propionyl]thiophene hydrochloride
    Catalog Number:
    44296
    Purity Limit:
    ≥ 98% (Assay by titration)
    CAS Number:
    5424-47-5
    MDL NO:
    MFCD00126349
    Molecular Formula:
    C9H13NOS·HCl
    Molecular Weight:
    219.73
    Specification Sheet SDS

  • Tetrahydrothiophene

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    44301
    Purity Limit:
    ≥ 99% (GC)
    CAS Number:
    110-01-0
    MDL NO:
    MFCD00005476
    Molecular Formula:
    C4H8S
    Molecular Weight:
    88.17
    Specification Sheet SDS

  • Tetrahydrothiophene 1,1-dioxide

    Purity:
    ≥ 99% (GC)
    Synonym:
    Sulfolane
    Catalog Number:
    44302
    Purity Limit:
    ≥ 99% (GC)
    CAS Number:
    126-33-0
    MDL NO:
    MFCD00005484
    Molecular Formula:
    C4H8O2S
    Molecular Weight:
    120.17
    Specification Sheet SDS

  • 2-Thiophenesulfonyl chloride

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44294
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    16629-19-9
    MDL NO:
    MFCD00005426
    Molecular Formula:
    C4H3ClO2S2
    Molecular Weight:
    182.64
    Specification Sheet SDS

  • Thiophene-3-acetonitrile

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44295
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    13781-53-8
    MDL NO:
    MFCD00005471
    Molecular Formula:
    C6H5NS
    Molecular Weight:
    123.17
    Specification Sheet SDS

  • 2,5-Di(2-thienyl)thieno[3,2-b]thiophene

    Purity:
    ≥ 94% (GC)
    Catalog Number:
    44297
    Purity Limit:
    ≥ 94% (GC)
    CAS Number:
    21210-90-2
    MDL NO:
    MFCD11114556
    Molecular Formula:
    C14H8S4
    Molecular Weight:
    304.46
    Specification Sheet SDS

  • 2,3-Dihydrothieno[3,4-b][1,4]dioxin-2-yl)methanol

    Purity:
    ≥ 97% (GC)
    Synonym:
    Hydroxymethyl EDOT
    Catalog Number:
    44290
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    146796-02-3
    MDL NO:
    MFCD11045357
    Molecular Formula:
    C7H8O3S
    Molecular Weight:
    172.2
    Specification Sheet SDS

  • 9,10-Dihydro-9,10-[3,4]thiophenoanthracene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44292
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    42490-26-6
    MDL NO:
    MFCD28386100
    Molecular Formula:
    C18H12S
    Molecular Weight:
    260.35
    Specification Sheet SDS

  • Ethyl 2-amino-5-methylthiophene-3-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Amino-5-methylthiophene-3-carboxylic acid ethyl ester
    Catalog Number:
    44288
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    4815-32-1
    MDL NO:
    MFCD01922142
    Molecular Formula:
    C8H11NO2S
    Molecular Weight:
    185.24
    Specification Sheet SDS

  • Methyl 3-amino-2-thiophenecarboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Amino-2-thiophenecarboxylic acid methyl ester
    Catalog Number:
    44287
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    22288-78-4
    MDL NO:
    MFCD00009765
    Molecular Formula:
    C6H7NO2S
    Molecular Weight:
    157.19
    Specification Sheet SDS

  • 5-Methyl-2-thiophenecarboxylic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Methyl-2-thenoic acid
    Catalog Number:
    44289
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    1918-79-2
    MDL NO:
    MFCD00005439
    Molecular Formula:
    C6H6O2S
    Molecular Weight:
    142.17
    Specification Sheet SDS

  • Cyclopropyl 2-thienyl ketone

    Purity:
    ≥ 96% (GC)
    Catalog Number:
    44284
    Purity Limit:
    ≥ 96% (GC)
    CAS Number:
    6193-47-1
    MDL NO:
    MFCD00005427
    Molecular Formula:
    C8H8OS
    Molecular Weight:
    152.21
    Specification Sheet SDS

  • 3-Ethynylthiophene

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    3-Thienylacetylene
    Hazmat
    Catalog Number:
    44281
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    67237-53-0
    MDL NO:
    MFCD04039973
    Molecular Formula:
    C6H4S
    Molecular Weight:
    108.16
    Specification Sheet SDS

  • Methyl 3-hydroxy-2-thiophenecarboxylate

    Purity:
    ≥ 97% (GC)
    Synonym:
    3-Hydroxy-2-thiophenecarboxylic acid methyl ester
    Catalog Number:
    44285
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    5118-06-9
    MDL NO:
    MFCD00055642
    Molecular Formula:
    C6H6O3S
    Molecular Weight:
    158.17
    Specification Sheet SDS

  • 2-(4-Methoxybenzoyl)thiophene

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Methoxyphenyl 2-thienyl ketone
    Catalog Number:
    44266
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    4160-63-8
    MDL NO:
    MFCD00005440
    Molecular Formula:
    C12H10O2S
    Molecular Weight:
    218.27
    Specification Sheet SDS

  • 2-Aminothiophene-3-carboxamide

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44286
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    14080-51-4
    MDL NO:
    MFCD00706455
    Molecular Formula:
    C5H6N2OS
    Molecular Weight:
    142.18
    Specification Sheet SDS

  • 1,3,5-Tri(2-thienyl)benzene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44282
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    15509-95-2
    MDL NO:
    MFCD02323391
    Molecular Formula:
    C18H12S3
    Molecular Weight:
    324.47
    Specification Sheet SDS

  • 1,5-Diphenyl-3-(2-thienyl)formazan

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    STC Formazan
    Catalog Number:
    44278
    Purity Limit:
    ≥ 96% (HPLC)
    CAS Number:
    135984-01-9
    MDL NO:
    MFCD00059744
    Molecular Formula:
    C17H14N4S
    Molecular Weight:
    306.39
    Specification Sheet SDS

  • 2-(3-Thienyl)-1,3-dioxolane

    Purity:
    ≥ 97% (GC)
    Synonym:
    3-(1,3-Dioxolan-2-yl)thiophene
    Catalog Number:
    44283
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    13250-82-3
    MDL NO:
    MFCD06209359
    Molecular Formula:
    C7H8O2S
    Molecular Weight:
    156.2
    Specification Sheet SDS

  • 5-Formyl-2-thiophenecarboxylic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Formylthenoic acid
    Catalog Number:
    44276
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    4565-31-5
    MDL NO:
    MFCD00191437
    Molecular Formula:
    C6H4O3S
    Molecular Weight:
    156.16
    Specification Sheet SDS

  • Thiophene-2-acetyl chloride

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Thienylacetyl chloride
    Hazmat
    Catalog Number:
    44280
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    39098-97-0
    MDL NO:
    MFCD00005456
    Molecular Formula:
    C6H5ClOS
    Molecular Weight:
    160.62
    Specification Sheet SDS

  • 2-(4-Bromophenyl)thiophene

    Hazmat
    Purity:
    ≥ 97% (GC)
    Hazmat
    Catalog Number:
    44277
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    40133-22-0
    MDL NO:
    MFCD05664340
    Molecular Formula:
    C10H7BrS
    Molecular Weight:
    239.13
    Specification Sheet SDS

  • Ethyl 5-amino-4-cyano-3-(2-ethoxycarbonylmethyl)thiophene-2-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Amino-4-cyano-3-(2-ethoxycarbonylmethyl)thiophene-2-carboxylic acidethyl ester
    Catalog Number:
    44279
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    58168-20-0
    MDL NO:
    MFCD00832845
    Molecular Formula:
    C12H14N2O4S
    Molecular Weight:
    282.31
    Specification Sheet SDS

  • 2,2':5',2''-Terthiophene-5,5''-dicarboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    5,5''-Diformyl-2,2':5',2''-terthiophene
    Catalog Number:
    44275
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    13130-50-2
    MDL NO:
    MFCD01863637
    Molecular Formula:
    C14H8O2S3
    Molecular Weight:
    304.4
    Specification Sheet SDS

  • 2-Propylthiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44270
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    1551-27-5
    MDL NO:
    MFCD00014533
    Molecular Formula:
    C7H10S
    Molecular Weight:
    126.22
    Specification Sheet SDS

  • Ethyl 2-amino-4,5-dimethylthiophene-3-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Amino-4,5-dimethylthiophene-3-carboxylic acid ethyl ester
    Catalog Number:
    44251
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    4815-24-1
    MDL NO:
    MFCD00085051
    Molecular Formula:
    C9H13NO2S
    Molecular Weight:
    199.27
    Specification Sheet SDS

  • Ethyl 2-amino-4-methylthiophene-3-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Amino-4-methylthiophene-3-carboxylic acid ethyl ester
    Catalog Number:
    44274
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    43088-42-2
    MDL NO:
    MFCD00051669
    Molecular Formula:
    C8H11NO2S
    Molecular Weight:
    185.24
    Specification Sheet SDS

  • 2-Benzoylthiophene

    Purity:
    ≥ 98% (GC)
    Synonym:
    Phenyl 2-thienyl ketone
    Catalog Number:
    44272
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    135-00-2
    MDL NO:
    MFCD00022495
    Molecular Formula:
    C11H8OS
    Molecular Weight:
    188.24
    Specification Sheet SDS

  • 3,3'-Bithiophene

    Purity:
    ≥ 98% (GC)
    Synonym:
    3,3'-Bithienyl
    Catalog Number:
    44263
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    3172-56-3
    MDL NO:
    MFCD00041214
    Molecular Formula:
    C8H6S2
    Molecular Weight:
    166.26
    Specification Sheet SDS

  • 5-(4-Hydroxypiperidin-1-yl)thiophene-2-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-(4-Hydroxypiperidino)thiophene-2-carboxaldehyde
    Catalog Number:
    44269
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    207290-72-0
    MDL NO:
    MFCD03425728
    Molecular Formula:
    C10H13NO2S
    Molecular Weight:
    211.28
    Specification Sheet SDS

  • 3-Methoxythiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44267
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    17573-92-1
    MDL NO:
    MFCD00043894
    Molecular Formula:
    C5H6OS
    Molecular Weight:
    114.16
    Specification Sheet SDS

  • 2-Thenoyl chloride

    Hazmat
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Thiophene-2-carbonyl chloride
    Hazmat
    Catalog Number:
    44273
    Purity Limit:
    ≥ 99% (Assay by titration)
    CAS Number:
    5271-67-0
    MDL NO:
    MFCD00005428
    Molecular Formula:
    C5H3ClOS
    Molecular Weight:
    146.59
    Specification Sheet SDS

  • 3-Methylthiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44253
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    616-44-4
    MDL NO:
    MFCD00005470
    Molecular Formula:
    C5H6S
    Molecular Weight:
    98.16
    Specification Sheet

  • 3-Hexadecylthiophene

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44268
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    119269-24-8
    MDL NO:
    MFCD07368973
    Molecular Formula:
    C20H36S
    Molecular Weight:
    308.57
    Specification Sheet SDS

  • 2,2'-Bithiophene-5-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Formyl-2,2'-bithiophene
    Catalog Number:
    44262
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    3779-27-9
    MDL NO:
    MFCD00052294
    Molecular Formula:
    C9H6OS2
    Molecular Weight:
    194.27
    Specification Sheet SDS

  • 2-Ethylthiophene

    Hazmat
    Purity:
    ≥ 97% (GC)
    Hazmat
    Catalog Number:
    44257
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    872-55-9
    MDL NO:
    MFCD00005461
    Molecular Formula:
    C6H8S
    Molecular Weight:
    112.19
    Specification Sheet SDS

  • 2-Pentylthiophene

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Amylthiophene
    Catalog Number:
    44255
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    4861-58-9
    MDL NO:
    MFCD00041017
    Molecular Formula:
    C9H14S
    Molecular Weight:
    154.27
    Specification Sheet SDS

  • Methyl 3-amino-4-methylthiophene-2-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Amino-4-methylthiophene-2-carboxylic acid methyl ester
    Catalog Number:
    44260
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    85006-31-1
    MDL NO:
    MFCD00051822
    Molecular Formula:
    C7H9NO2S
    Molecular Weight:
    171.21
    Specification Sheet SDS

  • 2-Amino-5-methyl-3-thiophenecarbonitrile

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Amino-3-cyano-5-methylthiophene
    Catalog Number:
    44264
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    138564-58-6
    MDL NO:
    MFCD01626055
    Molecular Formula:
    C6H6N2S
    Molecular Weight:
    138.19
    Specification Sheet SDS

  • Thiophene-2-acetonitrile

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Thienylacetonitrile
    Hazmat
    Catalog Number:
    44271
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    20893-30-5
    MDL NO:
    MFCD00005453
    Molecular Formula:
    C6H5NS
    Molecular Weight:
    123.17
    Specification Sheet SDS

  • 3,4-Dibromosulfolane

    Purity:
    ≥ 98% (GC)
    Synonym:
    3,4-Dibromotetrahydrothiophene 1,1-dioxide
    Catalog Number:
    44265
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    15091-30-2
    MDL NO:
    MFCD00022536
    Molecular Formula:
    C4H6Br2O2S
    Molecular Weight:
    277.96
    Specification Sheet SDS
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