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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.


  • (2-Mercapto-4-methyl-5-thiazolyl)acetic acid

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    5-(Carboxymethyl)-2-mercapto-4-methylthiazole
    Hazmat
    Catalog Number:
    44040
    CAS Number:
    34272-64-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01750430
    Molecular Formula:
    C6H7NO2S2
    Molecular Weight:
    189.25
  • 2-Methylthiophenothiazine

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44036
    CAS Number:
    7643-08-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00799974
    Molecular Formula:
    C13H11NS2
    Molecular Weight:
    245.36
  • 7-Methoxy-1,4-benzothiazin-3-one

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44038
    CAS Number:
    22726-30-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02660686
    Molecular Formula:
    C9H9NO2S
    Molecular Weight:
    195.24
  • Sodium 2-mercaptobenzothiazole

    Hazmat
    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Sodium 2-benzothiazolethiolate
    Hazmat
    Catalog Number:
    44044
    CAS Number:
    2492-26-4
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00065334
    Molecular Formula:
    C7H4NNaS2
    Molecular Weight:
    189.23
  • 10-[2-(2-Methoxyethoxy)ethyl]-10H-phenothiazine

    Purity:
    ≥ 98% (GC)
    Synonym:
    MEEPT
    Catalog Number:
    44037
    CAS Number:
    2098786-35-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD31618147
    Molecular Formula:
    C17H19NO2S
    Molecular Weight:
    301.4
  • Catalog Number:
    44039
    CAS Number:
    40004-69-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01760300
    Molecular Formula:
    C5H5NO2S
    Molecular Weight:
    143.16
  • Catalog Number:
    44027
    CAS Number:
    1254353-37-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD19440987
    Molecular Formula:
    C22H36N2O2S
    Molecular Weight:
    392.6
  • 10-Methylphenothiazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44034
    CAS Number:
    1207-72-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00041836
    Molecular Formula:
    C13H11NS
    Molecular Weight:
    213.3
  • Bismuthiol II

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Mercapto-3-phenyl-1,3,4-thiadiazole-2-thione potassium salt
    Catalog Number:
    44029
    CAS Number:
    6336-51-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00014092
    Molecular Formula:
    C8H5KN2S3
    Molecular Weight:
    264.42
  • 2-Ethylthiophenothiazine

    Purity:
    ≥ 97%
    Catalog Number:
    44033
    CAS Number:
    46815-10-5
    Purity Limit:
    ≥ 97%
    MDL NO:
    MFCD00191362
    Molecular Formula:
    C14H13NS2
    Molecular Weight:
    259.39
  • 2-Methoxyphenothiazine

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44032
    CAS Number:
    1771-18-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037838
    Molecular Formula:
    C13H11NOS
    Molecular Weight:
    229.3
  • 7-Methyl-1,4-benzothiazin-3-one

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    44035
    CAS Number:
    30322-02-2
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD02660690
    Molecular Formula:
    C9H9NOS
    Molecular Weight:
    179.24
  • 2-Amino-5-methyl-1,3,4-thiadiazole

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    44026
    CAS Number:
    108-33-8
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00003110
    Molecular Formula:
    C3H5N3S
    Molecular Weight:
    115.15
  • 2-Amino-1,3,4-thiadiazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44030
    CAS Number:
    4005-51-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00003107
    Molecular Formula:
    C2H3N3S
    Molecular Weight:
    101.13
  • 4-Methyl-1,2,3-thiadiazole-5-carbohydrazide

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Methyl-1,2,3-thiadiazole-5-carboxylic acid hydrazide
    Catalog Number:
    44031
    CAS Number:
    75423-15-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00052212
    Molecular Formula:
    C4H6N4OS
    Molecular Weight:
    158.18
  • Catalog Number:
    44023
    CAS Number:
    1293389-29-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD31560771
    Molecular Formula:
    C6F2I2N2S
    Molecular Weight:
    423.95
  • 4-Amino-2,1,3-benzothiadiazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Aminopiazthiole
    Catalog Number:
    44025
    CAS Number:
    767-64-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005810
    Molecular Formula:
    C6H5N3S
    Molecular Weight:
    151.19
  • 1,3,4-Thiadiazole-2,5-diamine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2,5-Diamino-1,3,4-thiadiazole
    Catalog Number:
    44028
    CAS Number:
    2937-81-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00043511
    Molecular Formula:
    C2H4N4S
    Molecular Weight:
    116.14
  • 5-Amino-1,2,3-thiadiazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44020
    CAS Number:
    4100-41-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00082810
    Molecular Formula:
    C2H3N3S
    Molecular Weight:
    101.13
  • 2-Amino-5-(benzylthio)-1,3,4-thiadiazole

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-(Benzylthio)-1,3,4-thiadiazole-2-amine
    Catalog Number:
    44021
    CAS Number:
    25660-71-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00184237
    Molecular Formula:
    C9H9N3S2
    Molecular Weight:
    223.31
  • 4-Nitro-2,1,3-benzothiadiazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Nitropiazthiole
    Catalog Number:
    44019
    CAS Number:
    6583-06-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00068050
    Molecular Formula:
    C6H3N3O2S
    Molecular Weight:
    181.17
  • Catalog Number:
    44024
    CAS Number:
    53723-88-9
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00129970
    Molecular Formula:
    C4H4N2O2S3
    Molecular Weight:
    208.27
  • 1H-Tetrazole-5-acetic acid

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44011
    CAS Number:
    21743-75-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03094010
    Molecular Formula:
    C3H4N4O2
    Molecular Weight:
    128.09
  • 2,3,5-Triphenyltetrazolium bromide

    Purity:
    ≥ 97% (Assay by titration)
    Catalog Number:
    44014
    CAS Number:
    1096-80-6
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00031797
    Molecular Formula:
    C19H15BrN4
    Molecular Weight:
    379.26
  • 2,1,3-Benzothiadiazole

    Purity:
    ≥ 99% (GC)
    Synonym:
    Piazthiole
    Catalog Number:
    44022
    CAS Number:
    273-13-2
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005809
    Molecular Formula:
    C6H4N2S
    Molecular Weight:
    136.17
  • 5-Methyl-1,3,4-thiadiazole-2-thiol

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    2-Mercapto-5-methyl-1,3,4-thiadiazole
    Catalog Number:
    44018
    CAS Number:
    29490-19-5
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00038349
    Molecular Formula:
    C3H4N2S2
    Molecular Weight:
    132.2
  • o-Tolyltetrazolium red

    Purity:
    ≥ 80% (Assay by titration)
    Synonym:
    2,5-Diphenyl-3-(o-tolyl)tetrazolium chloride
    Catalog Number:
    44016
    CAS Number:
    33926-00-0
    Purity Limit:
    ≥ 80% (Assay by titration)
    MDL NO:
    MFCD00059995
    Molecular Formula:
    C20H17ClN4
    Molecular Weight:
    348.83
  • p-Tolyltetrazolium red

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    2,5-Diphenyl-3-(p-tolyl)tetrazolium chloride
    Catalog Number:
    44015
    CAS Number:
    71658-33-8
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00060004
    Molecular Formula:
    C20H17ClN4
    Molecular Weight:
    348.83
  • Catalog Number:
    44010
    CAS Number:
    104497-79-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00060012
    Molecular Formula:
    C21H19ClN4O2
    Molecular Weight:
    394.86
  • 5-Mercapto-1-(4-methoxyphenyl)-1H-tetrazole

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1-(4-Methoxyphenyl)-1H-tetrazole-5-thiol
    Hazmat
    Catalog Number:
    44017
    CAS Number:
    13980-76-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01321180
    Molecular Formula:
    C8H8N4OS
    Molecular Weight:
    208.24
  • 2,3,5-Triphenyltetrazolium iodide

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44003
    CAS Number:
    13014-90-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00060028
    Molecular Formula:
    C19H15IN4
    Molecular Weight:
    426.26
  • Catalog Number:
    44006
    CAS Number:
    376591-03-6
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00060130
    Molecular Formula:
    C22H18ClN5
    Molecular Weight:
    387.87
  • Catalog Number:
    44013
    CAS Number:
    104497-78-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00060006
    Molecular Formula:
    C23H23ClN4
    Molecular Weight:
    390.92
  • 2,3-Bis(4-nitrophenyl)-5-phenyltetrazolium chloride

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Hazmat
    Catalog Number:
    44008
    CAS Number:
    69231-13-6
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00060010
    Molecular Formula:
    C19H13ClN6O4
    Molecular Weight:
    424.8
  • 1-(2-Dimethylaminoethyl)-5-mercaptotetrazole

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1-(2-Dimethylaminoethyl)-1H-tetrazole-5-thiol
    Catalog Number:
    44004
    CAS Number:
    61607-68-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00082923
    Molecular Formula:
    C5H11N5S
    Molecular Weight:
    173.24
  • 2-(2-Benzothiazolyl)-3,5-diphenyltetrazolium bromide

    Purity:
    ≥ 95% (Assay by titration)
    Catalog Number:
    44012
    CAS Number:
    55699-64-4
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD00135111
    Molecular Formula:
    C20H14BrN5S
    Molecular Weight:
    436.33
  • Catalog Number:
    44009
    CAS Number:
    104497-77-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00060002
    Molecular Formula:
    C21H19ClN4
    Molecular Weight:
    362.86
  • 2,3-Diphenyl-5-(2-thienyl)tetrazolium chloride

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    STC
    Catalog Number:
    43998
    CAS Number:
    38800-20-3
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00060088
    Molecular Formula:
    C17H13ClN4S
    Molecular Weight:
    340.83
  • 2,3-Diphenyl-5-ethyltetrazolium chloride

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    43997
    CAS Number:
    66138-05-4
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00060026
    Molecular Formula:
    C15H15ClN4
    Molecular Weight:
    286.76
  • Catalog Number:
    44007
    CAS Number:
    151390-91-9
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00060131
    Molecular Formula:
    C22H18ClN5O2
    Molecular Weight:
    419.87
  • 1-(4-Ethoxyphenyl)-5-mercapto-1H-tetrazole

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1-(4-Ethoxyphenyl)-1H-tetrazole-5-thiol
    Hazmat
    Catalog Number:
    44001
    CAS Number:
    15182-68-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02252889
    Molecular Formula:
    C9H10N4OS
    Molecular Weight:
    222.27
  • 3-(4-Nitrophenyl)-5-methyl-2-phenyltetrazolium chloride

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Phenyl-3-(4-nitrophenyl)-5-methyltetrazolium chloride
    Hazmat
    Catalog Number:
    43996
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00060011
    Molecular Formula:
    C14H12ClN5O2
    Molecular Weight:
    317.73
  • 1,5-Pentamethylenetetrazole

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Cardiazole
    Hazmat
    Catalog Number:
    44005
    CAS Number:
    54-95-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005939
    Molecular Formula:
    C6H10N4
    Molecular Weight:
    138.17
  • 2,3-Diphenyl-5-methyltetrazolium chloride

    Purity:
    ≥ 95% (Assay by titration)
    Catalog Number:
    44002
    CAS Number:
    6275-01-0
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD00060025
    Molecular Formula:
    C14H13ClN4
    Molecular Weight:
    272.74
  • 2-Hydroxyquinoxaline

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Quinoxalinol
    Catalog Number:
    43984
    CAS Number:
    1196-57-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006722
    Molecular Formula:
    C8H6N2O
    Molecular Weight:
    146.15
  • 2,3-Diphenyl-5-carboxytetrazolium chloride

    Purity:
    ≥ 96% (Assay by titration)
    Catalog Number:
    44000
    CAS Number:
    2118-40-3
    Purity Limit:
    ≥ 96% (Assay by titration)
    MDL NO:
    MFCD00060087
    Molecular Formula:
    C14H11ClN4O2
    Molecular Weight:
    302.72
  • Ethyl 1H-tetrazole-5-acetate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1H-Tetrazole-5-acetic acid ethyl ester
    Catalog Number:
    43999
    CAS Number:
    13616-37-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00274213
    Molecular Formula:
    C5H8N4O2
    Molecular Weight:
    156.15
  • 2,3-Diphenyl-5-(4-methoxyphenyl)tetrazolium chloride

    Purity:
    ≥ 80% (Assay by titration)
    Catalog Number:
    43995
    CAS Number:
    10560-45-9
    Purity Limit:
    ≥ 80% (Assay by titration)
    MDL NO:
    MFCD00060032
    Molecular Formula:
    C20H17ClN4O
    Molecular Weight:
    364.83
  • Catalog Number:
    43994
    CAS Number:
    106629-90-7
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00060036
    Molecular Formula:
    C46H44Cl2N8O6
    Molecular Weight:
    875.81
  • Quinoxaline 1-oxide

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    Quinoxaline N-Oxide
    Hazmat
    Catalog Number:
    43978
    CAS Number:
    6935-29-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00054593
    Molecular Formula:
    C8H6N2O
    Molecular Weight:
    146.15