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Chemistry

Chemistry

11927

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.


  • 3-Amino-5-tert-butylpyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43643
    CAS Number:
    82560-12-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00067987
    Molecular Formula:
    C7H13N3
    Molecular Weight:
    139.2
  • 1-Phenyl-5-pyrazolone-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Oxo-1-phenyl-2-pyrazolin-3-carboxylic acid
    Catalog Number:
    43634
    CAS Number:
    119-18-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037318
    Molecular Formula:
    C10H8N2O3
    Molecular Weight:
    204.19
  • 1-Ethylpyrazole

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43610
    CAS Number:
    2817-71-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03444367
    Molecular Formula:
    C5H8N2
    Molecular Weight:
    96.13
  • 4-Methylpyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43636
    CAS Number:
    7554-65-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005245
    Molecular Formula:
    C4H6N2
    Molecular Weight:
    82.11
  • 5-Amino-1-(p-tolyl)pyrazole-4-carbonitrile

    Purity:
    ≥ 93% (GC)
    Synonym:
    5-Amino-1-(4-methylphenyl)pyrazole-4-carbonitrile
    Catalog Number:
    43608
    CAS Number:
    103646-82-8
    Purity Limit:
    ≥ 93% (GC)
    MDL NO:
    MFCD00052944
    Molecular Formula:
    C11H10N4
    Molecular Weight:
    198.23
  • 4-Bromo-1-isopropylpyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43639
    CAS Number:
    313735-62-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09801021
    Molecular Formula:
    C6H9BrN2
    Molecular Weight:
    189.06
  • 4-Formylaminoantipyrine

    Purity:
    ≥ 98% (GC)
    Synonym:
    N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)formamide
    Catalog Number:
    43614
    CAS Number:
    1672-58-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00085457
    Molecular Formula:
    C12H13N3O2
    Molecular Weight:
    231.26
  • 1-Phenylpyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43609
    CAS Number:
    1126-00-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00003112
    Molecular Formula:
    C9H8N2
    Molecular Weight:
    144.18
  • Potassium tris(3,5-dimethylpyrazol-1-yl)borohydride

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    Potassium hydrotris(3,5-dimethylpyrazol-1-yl)borate
    Hazmat
    Catalog Number:
    43623
    CAS Number:
    17567-17-8
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00040342
    Molecular Formula:
    C15H22BKN6
    Molecular Weight:
    336.29
  • 3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one

    Purity:
    ≥ 97% (Assay by titration)
    Synonym:
    1-(4'-Sulfophenyl)-3-methyl-5-pyrazolone
    Catalog Number:
    43631
    CAS Number:
    89-36-1
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00020756
    Molecular Formula:
    C10H10N2O4S
    Molecular Weight:
    254.26
  • 1,3,5-Trimethylpyrazole

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43629
    CAS Number:
    1072-91-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00015536
    Molecular Formula:
    C6H10N2
    Molecular Weight:
    110.16
  • 1-Phenyl-3-pyrazolidone

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    Phenidone
    Hazmat
    Catalog Number:
    43628
    CAS Number:
    92-43-3
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00003094
    Molecular Formula:
    C9H10N2O
    Molecular Weight:
    162.19
  • Pyrazole-4-carboxylic acid

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    43635
    CAS Number:
    37718-11-9
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00077436
    Molecular Formula:
    C4H4N2O2
    Molecular Weight:
    112.09
  • 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
  • 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
  • 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
  • 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
  • 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
  • Catalog Number:
    43625
    CAS Number:
    19652-13-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00197061
    Molecular Formula:
    C16H15N3O
    Molecular Weight:
    265.32
  • 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
  • 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
  • 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
  • 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
  • 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
  • Catalog Number:
    43606
    CAS Number:
    139756-02-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02927682
    Molecular Formula:
    C8H14N4O
    Molecular Weight:
    182.23
  • 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
  • Catalog Number:
    43617
    CAS Number:
    116856-18-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD09744040
    Molecular Formula:
    C7H9N3O3
    Molecular Weight:
    183.17
  • 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
  • Catalog Number:
    43612
    CAS Number:
    449758-17-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD11044692
    Molecular Formula:
    C8H12N2O
    Molecular Weight:
    152.2
  • 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
  • 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
  • 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
  • 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
  • Catalog Number:
    43605
    CAS Number:
    73616-27-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD08063809
    Molecular Formula:
    C5H9N3O
    Molecular Weight:
    127.15
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Catalog Number:
    43597
    CAS Number:
    62535-60-8
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00020725
    Molecular Formula:
    C11H13N3
    Molecular Weight:
    187.25