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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

  • 3-Methyl-4-nitropyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43626
    CAS Number:
    5334-39-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00037864
    Molecular Formula:
    C4H5N3O2
    Molecular Weight:
    127.1
    Specification Sheet SDS

  • Pyrazole-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43616
    CAS Number:
    1621-91-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00077436
    Molecular Formula:
    C4H4N2O2
    Molecular Weight:
    112.09
    Specification Sheet SDS

  • 3-Methylpyrazole

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    3-Methyl-1,2-diazole
    Hazmat
    Catalog Number:
    43633
    CAS Number:
    1453-58-3
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00005240
    Molecular Formula:
    C4H6N2
    Molecular Weight:
    82.11
    Specification Sheet SDS

  • 1,3-Dimethyl-5-pyrazolone

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2,4-Dihydro-2,5-dimethyl-3H-pyrazol-3-one
    Catalog Number:
    43622
    CAS Number:
    2749-59-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00067008
    Molecular Formula:
    C5H8N2O
    Molecular Weight:
    112.13
    Specification Sheet SDS

  • 1,5-Dimethylpyrazole

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Hazmat
    Catalog Number:
    43613
    CAS Number:
    694-31-5
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD01646129
    Molecular Formula:
    C5H8N2
    Molecular Weight:
    96.13
    Specification Sheet SDS

  • 5-Amino-3-(4-methoxyphenyl)-1-phenylpyrazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43625
    CAS Number:
    19652-13-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00197061
    Molecular Formula:
    C16H15N3O
    Molecular Weight:
    265.32
    Specification Sheet SDS

  • 1-Methylpyrazole-5-methanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-(Hydroxymethyl)-1-methylpyrazole
    Catalog Number:
    43621
    CAS Number:
    84547-61-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08556301
    Molecular Formula:
    C5H8N2O
    Molecular Weight:
    112.13
    Specification Sheet SDS

  • 1-Isopropylpyrazole

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43618
    CAS Number:
    18952-87-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD07468920
    Molecular Formula:
    C6H10N2
    Molecular Weight:
    110.16
    Specification Sheet SDS

  • 2-(1H-Pyrazol-5-yl)aniline

    Purity:
    ≥ 97% (GC)
    Synonym:
    5-(2-Aminophenyl)pyrazole
    Catalog Number:
    43627
    CAS Number:
    111562-32-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD09028476
    Molecular Formula:
    C9H9N3
    Molecular Weight:
    159.19
    Specification Sheet SDS

  • 1,3-Dimethylpyrazole

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43620
    CAS Number:
    694-48-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00036665
    Molecular Formula:
    C5H8N2
    Molecular Weight:
    96.13
    Specification Sheet SDS

  • 1-Methyl-4-nitro-3-propylpyrazole-5-carboxamide

    Purity:
    ≥ 96% (GC)
    Synonym:
    5-Carbamoyl-1-methyl-4-nitro-3-propylpyrazole
    Catalog Number:
    43619
    CAS Number:
    139756-01-7
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD02253196
    Molecular Formula:
    C8H12N4O3
    Molecular Weight:
    212.21
    Specification Sheet SDS

  • 4-Amino-1-methyl-3-propylpyrazole-5-carboxamide

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43606
    CAS Number:
    139756-02-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02927682
    Molecular Formula:
    C8H14N4O
    Molecular Weight:
    182.23
    Specification Sheet SDS

  • 5-Amino-1-methylpyrazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-methyl-1H-pyrazol-5-amine
    Catalog Number:
    43624
    CAS Number:
    1192-21-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00068156
    Molecular Formula:
    C4H7N3
    Molecular Weight:
    97.12
    Specification Sheet SDS

  • 5-Formamido-1-[2-(formyloxy)ethyl]pyrazole

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    43617
    CAS Number:
    116856-18-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD09744040
    Molecular Formula:
    C7H9N3O3
    Molecular Weight:
    183.17
    Specification Sheet SDS

  • 3,5-Dimethyl-1-hydroxymethylpyrazole

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    1-Hydroxymethyl-3,5-dimethylpyrazole
    Catalog Number:
    43615
    CAS Number:
    85264-33-1
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00020738
    Molecular Formula:
    C6H10N2O
    Molecular Weight:
    126.16
    Specification Sheet SDS

  • 1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43612
    CAS Number:
    449758-17-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD11044692
    Molecular Formula:
    C8H12N2O
    Molecular Weight:
    152.2
    Specification Sheet SDS

  • 3-Amino-5-phenylpyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43599
    CAS Number:
    1572-10-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00191749
    Molecular Formula:
    C9H9N3
    Molecular Weight:
    159.19
    Specification Sheet SDS

  • 3-Amino-1-methylpyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43604
    CAS Number:
    1904-31-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00466340
    Molecular Formula:
    C4H7N3
    Molecular Weight:
    97.12
    Specification Sheet SDS

  • Diethyl pyrazole-3,5-dicarboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Pyrazole-3,5-dicarboxylic acid diethyl ester
    Catalog Number:
    43611
    CAS Number:
    37687-24-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00152167
    Molecular Formula:
    C9H12N2O4
    Molecular Weight:
    212.21
    Specification Sheet SDS

  • 3-Amino-5-hydroxypyrazole

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Amino-2,4-dihydro-3H-pyrazol-3-one
    Catalog Number:
    43607
    CAS Number:
    6126-22-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00022384
    Molecular Formula:
    C3H5N3O
    Molecular Weight:
    99.09
    Specification Sheet SDS

  • 5-Amino-1-(2-hydroxyethyl)pyrazole

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    43605
    CAS Number:
    73616-27-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD08063809
    Molecular Formula:
    C5H9N3O
    Molecular Weight:
    127.15
    Specification Sheet SDS

  • 4-(1-Pyrazolyl)benzonitrile

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-(4-Cyanophenyl)pyrazole
    Catalog Number:
    43601
    CAS Number:
    25699-83-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09033533
    Molecular Formula:
    C10H7N3
    Molecular Weight:
    169.19
    Specification Sheet SDS

  • 4,4'-Diantipyrylmethane monohydrate [for Ti Analysis]

    Purity:
    98 - 102% (Assay by titration)
    Synonym:
    4,4'-methylenediantipyrine monohydrate
    Catalog Number:
    43603
    CAS Number:
    1251-85-0
    Purity Limit:
    98 - 102% (Assay by titration)
    MDL NO:
    MFCD00149122
    Molecular Formula:
    C23H24N4O2·H2O
    Molecular Weight:
    406.49
    Specification Sheet SDS

  • 5-Amino-1-phenylpyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43593
    CAS Number:
    826-85-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00020734
    Molecular Formula:
    C9H9N3
    Molecular Weight:
    159.19
    Specification Sheet SDS

  • 5-Pyrazolone

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,4-Dihydro-3H-pyrazol-3-one
    Catalog Number:
    43594
    CAS Number:
    137-44-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00127223
    Molecular Formula:
    C3H4N2O
    Molecular Weight:
    84.08
    Specification Sheet SDS

  • Ethyl 5-amino-1-methylpyrazole-4-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Amino-1-methylpyrazole-4-carboxylic acid ethyl ester
    Catalog Number:
    43598
    CAS Number:
    31037-02-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00051652
    Molecular Formula:
    C7H11N3O2
    Molecular Weight:
    169.18
    Specification Sheet SDS

  • 2-Isobutyl-3-methylpyrazine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Methyl-3-isobutylpyrazine
    Catalog Number:
    43566
    CAS Number:
    13925-06-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00059770
    Molecular Formula:
    C9H14N2
    Molecular Weight:
    150.23
    Specification Sheet SDS

  • 4-Isopropylantipyrine

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Isopropyl-2,3-dimethyl-1-phenyl-5-pyrazolone
    Catalog Number:
    43591
    CAS Number:
    479-92-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00053368
    Molecular Formula:
    C14H18N2O
    Molecular Weight:
    230.31
    Specification Sheet SDS

  • 2-Ethoxy-3-ethylpyrazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43582
    CAS Number:
    35243-43-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00038026
    Molecular Formula:
    C8H12N2O
    Molecular Weight:
    152.2
    Specification Sheet SDS

  • Ethyl pyrazole-3-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Pyrazole-3-carboxylic acid ethyl ester
    Catalog Number:
    43600
    CAS Number:
    5932-27-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00159643
    Molecular Formula:
    C6H8N2O2
    Molecular Weight:
    140.14
    Specification Sheet SDS

  • 2-(1H-Pyrazol-3-yl)pyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-(2-Pyridyl)pyrazol
    Catalog Number:
    43602
    CAS Number:
    75415-03-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00115151
    Molecular Formula:
    C8H7N3
    Molecular Weight:
    145.17
    Specification Sheet SDS

  • 3-Amino-5-methylpyrazole

    Purity:
    ≥ 96% (GC)
    Catalog Number:
    43592
    CAS Number:
    31230-17-8
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00075180
    Molecular Formula:
    C4H7N3
    Molecular Weight:
    97.12
    Specification Sheet SDS

  • 2,3-Diethyl-5-methylpyrazine

    Hazmat
    Purity:
    ≥ 97% (GC)
    Hazmat
    Catalog Number:
    43589
    CAS Number:
    18138-04-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00009635
    Molecular Formula:
    C9H14N2
    Molecular Weight:
    150.23
    Specification Sheet SDS

  • 3-Methyl-1-phenylpyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43595
    CAS Number:
    1128-54-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00003123
    Molecular Formula:
    C10H10N2
    Molecular Weight:
    158.2
    Specification Sheet SDS

  • 2-Methyl-3-(methylthio)pyrazine

    Purity:
    ≥ 99% (GC)
    Synonym:
    2-Methylmercapto-3-methylpyrazine
    Catalog Number:
    43588
    CAS Number:
    2882-20-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00014610
    Molecular Formula:
    C6H8N2S
    Molecular Weight:
    140.2
    Specification Sheet SDS

  • 2-Methyl-3-isopropoxypyrazine

    Purity:
    ≥ 97% (GC)
    Synonym:
    2-Isopropoxy-3-methylpyrazine
    Catalog Number:
    43559
    CAS Number:
    94089-22-2
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00059772
    Molecular Formula:
    C8H12N2O
    Molecular Weight:
    152.2
    Specification Sheet SDS

  • 5-Amino-3-methyl-1-p-tolylpyrazole

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    43597
    CAS Number:
    62535-60-8
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00020725
    Molecular Formula:
    C11H13N3
    Molecular Weight:
    187.25
    Specification Sheet SDS

  • 1-Allyl-3,5-dimethylpyrazole

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    43596
    CAS Number:
    13369-74-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00034407
    Molecular Formula:
    C8H12N2
    Molecular Weight:
    136.2
    Specification Sheet SDS

  • Methyl 3-chloropyrazine-2-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Chloropyrazine-2-carboxylic acid methyl ester
    Catalog Number:
    43590
    CAS Number:
    27825-21-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03093326
    Molecular Formula:
    C6H5ClN2O2
    Molecular Weight:
    172.57
    Specification Sheet SDS

  • 2-(Methylthio)pyrazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43587
    CAS Number:
    21948-70-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00041024
    Molecular Formula:
    C5H6N2S
    Molecular Weight:
    126.18
    Specification Sheet SDS

  • 2-Ethoxypyrazine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43576
    CAS Number:
    38028-67-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00014609
    Molecular Formula:
    C6H8N2O
    Molecular Weight:
    124.14
    Specification Sheet SDS

  • 2-Hydroxypyrazine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Pyrazinol
    Catalog Number:
    43585
    CAS Number:
    6270-63-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00233966
    Molecular Formula:
    C4H4N2O
    Molecular Weight:
    96.09
    Specification Sheet SDS

  • 2-sec-Butyl-3-methoxypyrazine

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    43577
    CAS Number:
    24168-70-5
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00006136
    Molecular Formula:
    C9H14N2O
    Molecular Weight:
    166.22
    Specification Sheet SDS

  • (2-Mercaptoethyl)pyrazine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Pyrazineethanethiol
    Hazmat
    Catalog Number:
    43586
    CAS Number:
    35250-53-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00053160
    Molecular Formula:
    C6H8N2S
    Molecular Weight:
    140.2
    Specification Sheet SDS

  • 5-Methoxypyrazine-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43583
    CAS Number:
    40155-42-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD10697773
    Molecular Formula:
    C6H6N2O3
    Molecular Weight:
    154.13
    Specification Sheet SDS

  • 4H-Pyran-4-one

    Purity:
    ≥ 98% (GC)
    Synonym:
    g-Pyrone
    Catalog Number:
    43552
    CAS Number:
    108-97-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006576
    Molecular Formula:
    C5H4O2
    Molecular Weight:
    96.09
    Specification Sheet SDS

  • 2-Amino-5-phenylpyrazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43575
    CAS Number:
    13535-13-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01646266
    Molecular Formula:
    C10H9N3
    Molecular Weight:
    171.2
    Specification Sheet SDS

  • 2-Pyrazinemethanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(Hydroxymethyl)pyrazine
    Catalog Number:
    43578
    CAS Number:
    6705-33-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01693938
    Molecular Formula:
    C5H6N2O
    Molecular Weight:
    110.12
    Specification Sheet SDS

  • 2-Ethoxy-3-isopropylpyrazine

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    43579
    CAS Number:
    72797-16-1
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00038029
    Molecular Formula:
    C9H14N2O
    Molecular Weight:
    166.22
    Specification Sheet SDS

  • 2-Amino-6-methylpyrazine

    Purity:
    ≥ 97% (GC)
    Synonym:
    6-methylpyrazin-2-amine
    Catalog Number:
    43584
    CAS Number:
    5521-56-2
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD08235193
    Molecular Formula:
    C5H7N3
    Molecular Weight:
    109.13
    Specification Sheet SDS
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