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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

  • Pyridazine

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    43661
    CAS Number:
    289-80-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006463
    Molecular Formula:
    C4H4N2
    Molecular Weight:
    80.09
    Specification Sheet SDS

  • Ethyl 6-methyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    6-Methyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid ethyl ester
    Catalog Number:
    43681
    CAS Number:
    5395-36-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00124778
    Molecular Formula:
    C14H16N2O3
    Molecular Weight:
    260.29
    Specification Sheet SDS

  • 6-Chloro-3(2H-pyridazinone

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Chloro-6-hydroxypyridazine
    Catalog Number:
    43660
    CAS Number:
    19064-67-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00233955
    Molecular Formula:
    C4H3ClN2O
    Molecular Weight:
    130.53
    Specification Sheet SDS

  • 2,4,6-Triamino-5-nitrosopyrimidine

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43677
    CAS Number:
    1006-23-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006096
    Molecular Formula:
    C4H6N6O
    Molecular Weight:
    154.13
    Specification Sheet SDS

  • Phthalazone

    Purity:
    ≥ 98% (GC)
    Synonym:
    Benzo[d]pyridazin-1(2Hone
    Catalog Number:
    43672
    CAS Number:
    119-39-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006892
    Molecular Formula:
    C8H6N2O
    Molecular Weight:
    146.15
    Specification Sheet SDS

  • 4,5-Dihydro-6-methyl-3(2H-pyridazinone

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43663
    CAS Number:
    5157-08-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006455
    Molecular Formula:
    C5H8N2O
    Molecular Weight:
    112.13
    Specification Sheet SDS

  • 1,4,5,6-Tetrahydro-6-oxopyridazine-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43668
    CAS Number:
    27372-38-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00052030
    Molecular Formula:
    C5H6N2O3
    Molecular Weight:
    142.11
    Specification Sheet SDS

  • Ethyl 2-amino-4-hydroxypyrimidine-5-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Amino-4-hydroxypyrimidine-5-carboxylic acid ethyl ester
    Catalog Number:
    43676
    CAS Number:
    15400-53-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00039708
    Molecular Formula:
    C7H9N3O3
    Molecular Weight:
    183.17
    Specification Sheet SDS

  • 6-Phenylisocytosine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Amino-6-phenyl-4(1H-pyrimidinone
    Catalog Number:
    43680
    CAS Number:
    56741-94-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00466412
    Molecular Formula:
    C10H9N3O
    Molecular Weight:
    187.2
    Specification Sheet SDS

  • 3-Methylpyridazine

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    43671
    CAS Number:
    1632-76-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00006469
    Molecular Formula:
    C5H6N2
    Molecular Weight:
    94.12
    Specification Sheet SDS

  • 3,5-Diisopropylpyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43655
    CAS Number:
    17536-00-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00671516
    Molecular Formula:
    C9H16N2
    Molecular Weight:
    152.24
    Specification Sheet SDS

  • 6-Methylphthalazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43666
    CAS Number:
    78032-05-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03844800
    Molecular Formula:
    C9H8N2
    Molecular Weight:
    144.18
    Specification Sheet SDS

  • Pyrimidine-5-carboxylic acid

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    43675
    CAS Number:
    4595-61-3
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00856162
    Molecular Formula:
    C5H4N2O2
    Molecular Weight:
    124.1
    Specification Sheet SDS

  • Methylmaleic hydrazide

    Purity:
    ≥ 98% (GC)
    Synonym:
    1,2-Dihydro-4-methyl-3,6-pyridazinedione
    Catalog Number:
    43664
    CAS Number:
    5754-18-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00067746
    Molecular Formula:
    C5H6N2O2
    Molecular Weight:
    126.12
    Specification Sheet SDS

  • 1-Methylpyrazole-4-carboxylic acid

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43649
    CAS Number:
    5952-92-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00159641
    Molecular Formula:
    C5H6N2O2
    Molecular Weight:
    126.12
    Specification Sheet SDS

  • 3-Aminopyridazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43659
    CAS Number:
    5469-70-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01529869
    Molecular Formula:
    C4H5N3
    Molecular Weight:
    95.11
    Specification Sheet SDS

  • 3-Methyl-1-p-tolyl-5-pyrazolone

    Purity:
    ≥ 99% (Assay)
    Catalog Number:
    43651
    CAS Number:
    86-92-0
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00035708
    Molecular Formula:
    C11H12N2O
    Molecular Weight:
    188.23
    Specification Sheet SDS

  • 3,5-Dimethyl-1-phenylpyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43642
    CAS Number:
    1131-16-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00020728
    Molecular Formula:
    C11H12N2
    Molecular Weight:
    172.23
    Specification Sheet SDS

  • 3(2H-Pyridazinone

    Purity:
    ≥ 96% (GC)
    Catalog Number:
    43665
    CAS Number:
    504-30-3
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00099605
    Molecular Formula:
    C4H4N2O
    Molecular Weight:
    96.09
    Specification Sheet SDS

  • 4-Nitrophthalic hydrazide

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Nitrophthalhydrazide
    Catalog Number:
    43658
    CAS Number:
    3682-19-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006891
    Molecular Formula:
    C8H5N3O4
    Molecular Weight:
    207.15
    Specification Sheet SDS

  • 6-Phenyl-3(2H-pyridazinone

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Hydroxy-6-phenylpyridazine
    Catalog Number:
    43657
    CAS Number:
    2166-31-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00114953
    Molecular Formula:
    C10H8N2O
    Molecular Weight:
    172.19
    Specification Sheet SDS

  • 4-Methylpyridazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43662
    CAS Number:
    1120-88-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00011594
    Molecular Formula:
    C5H6N2
    Molecular Weight:
    94.12
    Specification Sheet SDS

  • 6-Hydroxypyridazine-3-carboxylic acid monohydrate

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43667
    CAS Number:
    306934-80-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD09064936
    Molecular Formula:
    C5H4N2O3·H2O
    Molecular Weight:
    158.12
    Specification Sheet SDS

  • 4-Benzoyl-3-methyl-1-phenyl-5-pyrazolone

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43641
    CAS Number:
    4551-69-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00003136
    Molecular Formula:
    C17H14N2O2
    Molecular Weight:
    278.31
    Specification Sheet SDS

  • Pyridazine-4-carboxylic acid

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43656
    CAS Number:
    50681-25-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00011576
    Molecular Formula:
    C5H4N2O2
    Molecular Weight:
    124.1
    Specification Sheet SDS

  • 4-Methyl-1-phenyl-3-pyrazolidone

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-methyl-3-oxo-1-phenylpyrazolidine
    Catalog Number:
    43630
    CAS Number:
    2654-57-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00044800
    Molecular Formula:
    C10H12N2O
    Molecular Weight:
    176.22
    Specification Sheet SDS

  • 3-Methyl-5-pyrazolone

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    43652
    CAS Number:
    108-26-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00020699
    Molecular Formula:
    C4H6N2O
    Molecular Weight:
    98.11
    Specification Sheet SDS

  • 2-(1-Pyrazolyl)pyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43645
    CAS Number:
    25700-11-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09033534
    Molecular Formula:
    C8H7N3
    Molecular Weight:
    145.17
    Specification Sheet SDS

  • 3-Amino-1-phenyl-2-pyrazolin-5-one

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43637
    CAS Number:
    4149-06-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00003137
    Molecular Formula:
    C9H9N3O
    Molecular Weight:
    175.19
    Specification Sheet SDS

  • Methyl pyrazole-3-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Pyrazole-3-carboxylic acid methyl ester
    Catalog Number:
    43646
    CAS Number:
    15366-34-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00649381
    Molecular Formula:
    C5H6N2O2
    Molecular Weight:
    126.12
    Specification Sheet SDS

  • 3-Methyl-1-(3'-sulfoamidophenyl)-5-pyrazolone

    Purity:
    ≥ 95% (Assay by titration)
    Catalog Number:
    43653
    CAS Number:
    89-29-2
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD00035707
    Molecular Formula:
    C10H11N3O3S
    Molecular Weight:
    253.28
    Specification Sheet SDS

  • Methyl 5-methylpyrazole-3-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Methylpyrazole-3-carboxylic acid methyl ester
    Catalog Number:
    43647
    CAS Number:
    25016-17-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03778987
    Molecular Formula:
    C6H8N2O2
    Molecular Weight:
    140.14
    Specification Sheet SDS

  • 3-Phenylpyrazole-5-carboxylic acid hydrate

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    43638
    CAS Number:
    5071-61-4
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD01248821
    Molecular Formula:
    C10H8N2O2·xH2O
    Molecular Weight:
    188.19
    Specification Sheet SDS

  • 3-Carboxy-1-(4-sulfophenyl)-5-pyrazolone sodium salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Oxo-1-(4-sulfophenyl)-2-pyrazoline-3-carboxylic acid sodium salt
    Catalog Number:
    43640
    CAS Number:
    52126-51-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00059720
    Molecular Formula:
    C10H7N2NaO6S
    Molecular Weight:
    306.22
    Specification Sheet SDS

  • 3,5-Dimethylpyrazole-1-carboxamide

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Carbamoyl-3,5-dimethylpyrazole
    Catalog Number:
    43648
    CAS Number:
    934-48-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00003126
    Molecular Formula:
    C6H9N3O
    Molecular Weight:
    139.16
    Specification Sheet SDS

  • 1-Benzyl-1H-pyrazole-4-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43632
    CAS Number:
    63874-95-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02179567
    Molecular Formula:
    C11H10N2O
    Molecular Weight:
    186.21
    Specification Sheet SDS

  • 1-(4-Nitrophenyl)-3-methyl-5-pyrazolone

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Methyl-1-(4-nitrophenyl)-5-pyrazolone
    Catalog Number:
    43644
    CAS Number:
    6402-09-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00020751
    Molecular Formula:
    C10H9N3O3
    Molecular Weight:
    219.2
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS
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