🌟 99% Happy customers

📦 Same-day shipping on in-stock items

🌟 NEW: Customizable Macrocyclic Peptide Libraries
Chemistry

Chemistry

11931

Our diverse selection of products are designed to enhance your work at every level. From refining asymmetric synthesis to optimizing reaction conditions with advanced catalysts, because we believe in meeting every possibility with precision.

Sub Categories
Asymmetric Synthesis 1123
Building Blocks 7867
Catalysis & Inorganic Chemistry 1049
Chemical Biology 178
Inorganic Compounds 794
Ionic Liquids 182
Organometallic Reagents 845
Stains & Dyes 298

  • 5-Formyl-2-thiophenecarboxylic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Formylthenoic acid
    Catalog Number:
    44276
    CAS Number:
    4565-31-5
    Purity Limit:
    ≥ 98% (GC)
    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
    CAS Number:
    39098-97-0
    Purity Limit:
    ≥ 98% (GC)
    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
    CAS Number:
    40133-22-0
    Purity Limit:
    ≥ 97% (GC)
    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 acid ethyl ester
    Catalog Number:
    44279
    CAS Number:
    58168-20-0
    Purity Limit:
    ≥ 98% (GC)
    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
    CAS Number:
    13130-50-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01863637
    Molecular Formula:
    C14H8O2S3
    Molecular Weight:
    304.4
    Specification Sheet SDS

  • 2-Propylthiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44270
    CAS Number:
    1551-27-5
    Purity Limit:
    ≥ 98% (GC)
    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
    CAS Number:
    4815-24-1
    Purity Limit:
    ≥ 98% (GC)
    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
    CAS Number:
    43088-42-2
    Purity Limit:
    ≥ 98% (GC)
    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
    CAS Number:
    135-00-2
    Purity Limit:
    ≥ 98% (GC)
    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
    CAS Number:
    3172-56-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00041214
    Molecular Formula:
    C8H6S2
    Molecular Weight:
    166.26
    Specification Sheet SDS

  • 3-Methoxythiophene

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

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

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

  • 2-Thenoyl chloride

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

  • 3-Hexadecylthiophene

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

  • 3-Methylthiophene

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

  • 2-Ethylthiophene

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

  • 2,2'-Bithiophene-5-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Formyl-2,2'-bithiophene
    Catalog Number:
    44262
    CAS Number:
    3779-27-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00052294
    Molecular Formula:
    C9H6OS2
    Molecular Weight:
    194.27
    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
    CAS Number:
    85006-31-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00051822
    Molecular Formula:
    C7H9NO2S
    Molecular Weight:
    171.21
    Specification Sheet SDS

  • 2-Pentylthiophene

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

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

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Amino-3-cyano-5-methylthiophene
    Catalog Number:
    44264
    CAS Number:
    138564-58-6
    Purity Limit:
    ≥ 98% (GC)
    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
    CAS Number:
    20893-30-5
    Purity Limit:
    ≥ 98% (GC)
    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
    CAS Number:
    15091-30-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00022536
    Molecular Formula:
    C4H6Br2O2S
    Molecular Weight:
    277.96
    Specification Sheet SDS

  • 3-Phenylthiophene

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44259
    CAS Number:
    2404-87-7
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00114997
    Molecular Formula:
    C10H8S
    Molecular Weight:
    160.23
    Specification Sheet SDS

  • 2-n-Octylthiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44258
    CAS Number:
    880-36-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00041015
    Molecular Formula:
    C12H20S
    Molecular Weight:
    196.35
    Specification Sheet SDS

  • 2-Phenylthiophene

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44247
    CAS Number:
    825-55-8
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00130080
    Molecular Formula:
    C10H8S
    Molecular Weight:
    160.23
    Specification Sheet SDS

  • 2-(2-Thienyl)pyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(2-Pyridyl)thiophene
    Catalog Number:
    44261
    CAS Number:
    3319-99-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00044441
    Molecular Formula:
    C9H7NS
    Molecular Weight:
    161.22
    Specification Sheet SDS

  • 2-Ethynylthiophene

    Purity:
    ≥ 96% (GC)
    Synonym:
    (2-Thienyl)acetylene
    Catalog Number:
    44254
    CAS Number:
    4298-52-6
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD03425129
    Molecular Formula:
    C6H4S
    Molecular Weight:
    108.16
    Specification Sheet SDS

  • trans-1,2-Di(2-thienyl)ethylene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44256
    CAS Number:
    13640-78-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00145416
    Molecular Formula:
    C10H8S2
    Molecular Weight:
    192.29
    Specification Sheet SDS

  • 2-Propionylthiophene

    Purity:
    ≥ 98% (GC)
    Synonym:
    Ethyl 2-thienyl ketone
    Catalog Number:
    44252
    CAS Number:
    13679-75-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005446
    Molecular Formula:
    C7H8OS
    Molecular Weight:
    140.2
    Specification Sheet SDS

  • 2-Cinnamoylthiophene

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Phenyl-1-(2-thienyl)-2-propen-1-one
    Catalog Number:
    44250
    CAS Number:
    3988-77-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00059742
    Molecular Formula:
    C13H10OS
    Molecular Weight:
    214.28
    Specification Sheet SDS

  • Tetramethylene sulfoxide

    Purity:
    ≥ 98% (GC)
    Synonym:
    Tetrahydrothiophene 1-oxide
    Catalog Number:
    44239
    CAS Number:
    1600-44-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005477
    Molecular Formula:
    C4H8OS
    Molecular Weight:
    104.17
    Specification Sheet SDS

  • 5-Nitro-2-thiophenecarboxylic acid

    Purity:
    ≥ 97% (GC)
    Synonym:
    5-Nitro-2-thenoic acid
    Catalog Number:
    44249
    CAS Number:
    6317-37-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00159552
    Molecular Formula:
    C5H3NO4S
    Molecular Weight:
    173.14
    Specification Sheet SDS

  • 5-Phenylthiophene-2-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44246
    CAS Number:
    19163-21-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01151752
    Molecular Formula:
    C11H8OS
    Molecular Weight:
    188.24
    Specification Sheet SDS

  • 3-Thiophenemalonic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-Thienylmalonic acid
    Catalog Number:
    44242
    CAS Number:
    21080-92-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00005469
    Molecular Formula:
    C7H6O4S
    Molecular Weight:
    186.18
    Specification Sheet SDS

  • 3-Propylthiophene

    Hazmat
    Purity:
    ≥ 97% (GC)
    Hazmat
    Catalog Number:
    44248
    CAS Number:
    1518-75-8
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00143183
    Molecular Formula:
    C7H10S
    Molecular Weight:
    126.22
    Specification Sheet SDS

  • Methyl 2-thiophenecarboxylate

    Purity:
    ≥ 99% (GC)
    Synonym:
    2-Thiophenecarboxylic acid methyl ester
    Catalog Number:
    44245
    CAS Number:
    5380-42-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00016895
    Molecular Formula:
    C6H6O2S
    Molecular Weight:
    142.17
    Specification Sheet SDS

  • Methyl 2,5-dihydrothiophene-3-carboxylate

    Purity:
    ≥ 95% (GC)
    Synonym:
    2,5-Dihydrothiophene-3-carboxylic acid methyl ester
    Catalog Number:
    44243
    CAS Number:
    67488-46-4
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD04038417
    Molecular Formula:
    C6H8O2S
    Molecular Weight:
    144.19
    Specification Sheet SDS

  • Methyl 3-methylthiophene-2-carboxylate

    Purity:
    ≥ 97% (GC)
    Synonym:
    3-Methylthiophene-2-carboxylic acid methyl ester
    Catalog Number:
    44241
    CAS Number:
    81452-54-2
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00234332
    Molecular Formula:
    C7H8O2S
    Molecular Weight:
    156.2
    Specification Sheet SDS

  • Thiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44244
    CAS Number:
    110-02-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005413
    Molecular Formula:
    C4H4S
    Molecular Weight:
    84.14
    Specification Sheet SDS

  • Dithieno[3,2-b:2',3'-d]thiophene-2,6-dicarboxaldehyde

    Purity:
    ≥ 92% (GC)
    Catalog Number:
    44223
    CAS Number:
    67061-73-8
    Purity Limit:
    ≥ 92% (GC)
    MDL NO:
    MFCD11215205
    Molecular Formula:
    C10H4O2S3
    Molecular Weight:
    252.32
    Specification Sheet SDS

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

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Amino-5-phenylthiophene-3-carboxylic acid ethyl ester
    Catalog Number:
    44218
    CAS Number:
    4815-34-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01829801
    Molecular Formula:
    C13H13NO2S
    Molecular Weight:
    247.31
    Specification Sheet SDS

  • 2,4-Dimethyl-5-phenylthiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44236
    CAS Number:
    57021-49-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08276354
    Molecular Formula:
    C12H12S
    Molecular Weight:
    188.29
    Specification Sheet SDS

  • 2,3,4,5-Tetraphenylthiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44240
    CAS Number:
    1884-68-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00014527
    Molecular Formula:
    C28H20S
    Molecular Weight:
    388.53
    Specification Sheet SDS

  • 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44233
    CAS Number:
    7712-05-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD20642620
    Molecular Formula:
    C7H6O2S2
    Molecular Weight:
    186.24
    Specification Sheet SDS

  • Dibenzothiophene-2-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44235
    CAS Number:
    22099-23-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02251670
    Molecular Formula:
    C13H8OS
    Molecular Weight:
    212.27
    Specification Sheet SDS

  • 2-(Bromoacetyl)thiophene

    Hazmat
    Purity:
    ≥ 95% (GC)
    Synonym:
    2-Bromo-1-(2-thienyl)ethanone
    Hazmat
    Catalog Number:
    44238
    CAS Number:
    10531-41-6
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD02677721
    Molecular Formula:
    C6H5BrOS
    Molecular Weight:
    205.07
    Specification Sheet SDS

  • 2-Cyanothiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Thiophenecarbonitrile
    Hazmat
    Catalog Number:
    44220
    CAS Number:
    1003-31-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005416
    Molecular Formula:
    C5H3NS
    Molecular Weight:
    109.15
    Specification Sheet SDS

  • 2-Thiophenecarboxamide

    Purity:
    ≥ 98%
    Catalog Number:
    44228
    CAS Number:
    5813-89-8
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00010425
    Molecular Formula:
    C5H5NOS
    Molecular Weight:
    127.16
    Specification Sheet SDS

  • 3,3,4,4-Tetrachlorosulfolane

    Hazmat
    Purity:
    ≥ 96% (Assay by titration)
    Synonym:
    3,3,4,4-Tetrachlorotetrahydrothiophene 1,1-dioxide
    Hazmat
    Catalog Number:
    44201
    CAS Number:
    3737-41-5
    Purity Limit:
    ≥ 96% (Assay by titration)
    MDL NO:
    MFCD00154882
    Molecular Formula:
    C4H4Cl4O2S
    Molecular Weight:
    257.93
    Specification Sheet SDS

  • 1,4-Di(2-thienyl)-1,3-butadiene (mixture of isomers)

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44226
    CAS Number:
    23354-93-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00142549
    Molecular Formula:
    C12H10S2
    Molecular Weight:
    218.33
    Specification Sheet SDS
Back to top