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25001

  • 4,5-Dibromo-3(2H)-pyridazinone

    Purity:
    ≥ 98% (GC)
    Synonym:
    4,5-Dibromo-3-hydroxypyridazine
    Catalog Number:
    44623
    CAS Number:
    5788-58-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00023641
    Molecular Formula:
    C4H2Br2N2O
    Molecular Weight:
    253.88
    Specification Sheet SDS

  • 4,5-Dibromo-N-methoxy-N-methyl-2-furancarboxamide

    Purity:
    ≥ 96% (GC)
    Synonym:
    Methyl 4,5-Dibromo-N-methyl-2-furohydroxamate
    Catalog Number:
    44451
    CAS Number:
    502639-02-3
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD08276337
    Molecular Formula:
    C7H7Br2NO3
    Molecular Weight:
    312.95
    Specification Sheet SDS

  • 4,5-Dibromobenzene-1,2-diol, suitable for Hematology & Histology

    Grade:
    Technical grade
    Purity:
    ≥ 88% (GC)
    Catalog Number:
    41851
    Grade:
    Technical grade
    CAS Number:
    2563-26-0
    Purity Limit:
    ≥ 88% (GC)
    MDL NO:
    MFCD00233157
    Molecular Formula:
    C6H4Br2O2
    Molecular Weight:
    267.9
    Specification Sheet SDS

  • 4,5-Dibromofluorescein

    Purity:
    ≥ 95% (Dye content)
    Synonym:
    Acid Orange II
    Catalog Number:
    22818
    CAS Number:
    596-03-2
    Purity Limit:
    ≥ 95% (Dye content)
    MDL NO:
    MFCD00005042
    Molecular Formula:
    C20H10Br2O5
    Molecular Weight:
    490.1
    Specification Sheet SDS

  • 4,5-Dichloro-2-methyl-3(2H)-pyridazinone

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44625
    CAS Number:
    933-76-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00051686
    Molecular Formula:
    C5H4Cl2N2O
    Molecular Weight:
    179.0
    Specification Sheet SDS

  • 4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44963
    CAS Number:
    64359-81-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04034673
    Molecular Formula:
    C11H17Cl2NOS
    Molecular Weight:
    282.22
    Specification Sheet SDS

  • 4,5-Dichloro-2-phenyl-3(2H)-pyridazinone

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44622
    CAS Number:
    1698-53-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006470
    Molecular Formula:
    C10H6Cl2N2O
    Molecular Weight:
    241.07
    Specification Sheet SDS

  • 4,5-Dichloro-3(2H)-pyridazinone

    Purity:
    ≥ 98% (GC)
    Synonym:
    4,5-Dichloro-3-hydroxypyridazine
    Catalog Number:
    44629
    CAS Number:
    932-22-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00051504
    Molecular Formula:
    C4H2Cl2N2O
    Molecular Weight:
    164.97
    Specification Sheet SDS

  • 4,5-Dichloroimidazole

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44494
    CAS Number:
    15965-30-7
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00005195
    Molecular Formula:
    C3H2Cl2N2
    Molecular Weight:
    136.96
    Specification Sheet SDS

  • 4,5-Dicyano-1,3-dithiol-2-one

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Oxo-1,3-dithiole-4,5-dicarbonitrile
    Hazmat
    Catalog Number:
    43275
    CAS Number:
    934-31-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00224014
    Molecular Formula:
    C5N2OS2
    Molecular Weight:
    168.19
    Specification Sheet SDS

  • 4,5-Dicyanoimidazole

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4,5-Imidazoledicarbonitrile
    Hazmat
    Catalog Number:
    31202
    CAS Number:
    1122-28-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005194
    Molecular Formula:
    C5H2N4
    Molecular Weight:
    118.1
    Specification Sheet SDS

  • 4,5-Diethoxy-2-nitro-benzoic acid ethyl ester

    Purity:
    ≥ 99% (GC)
    Synonym:
    Ethyl 4,5-diethoxy-2-nitrobenzoate
    Catalog Number:
    29300
    CAS Number:
    460750-26-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD11045615
    Molecular Formula:
    C13H17NO6
    Molecular Weight:
    283.28
    Specification Sheet SDS

  • 4,5-Difluoro-1,2-phenylenediamine

    Purity:
    ≥ 97% (GC)
    Synonym:
    1,2-Diamino-4,5-difluorobenzene
    Catalog Number:
    46025
    CAS Number:
    76179-40-3
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00061131
    Molecular Formula:
    C6H6F2N2
    Molecular Weight:
    144.12
    Specification Sheet SDS

  • 4,5-Difluoro-2-methoxybenzonitrile

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Cyano-4,5-difluoroanisole
    Hazmat
    Catalog Number:
    46131
    CAS Number:
    425702-28-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD06660346
    Molecular Formula:
    C8H5F2NO
    Molecular Weight:
    169.13
    Specification Sheet SDS

  • 4,5-Difluoro-2-nitroaniline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    46231
    CAS Number:
    78056-39-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00010876
    Molecular Formula:
    C6H4F2N2O2
    Molecular Weight:
    174.11
    Specification Sheet SDS

  • 4,5-Difluoro-2-nitrobenzoic acid

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45479
    CAS Number:
    20372-63-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00799521
    Molecular Formula:
    C7H3F2NO4
    Molecular Weight:
    203.1
    Specification Sheet SDS

  • 4,5-Difluoroindole

    Purity:
    ≥ 95% (Assay)
    Synonym:
    4,5-Difluoro-1H-indole
    Catalog Number:
    21152
    CAS Number:
    247564-63-2
    Purity Limit:
    ≥ 95% (Assay)
    MDL NO:
    MFCD01863154
    Molecular Formula:
    C8H5F2N
    Molecular Weight:
    153.13
    Specification Sheet SDS

  • 4,5-Dihydro-2,5-dimethyl-4-oxofuran-3-yl butyrate

    Purity:
    ≥ 96% (GC)
    Synonym:
    Butyric acid 4,5-dihydro-2,5-dimethyl-4-oxofuran-3-yl
    Catalog Number:
    42895
    CAS Number:
    114099-96-6
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD08457803
    Molecular Formula:
    C10H14O4
    Molecular Weight:
    198.22
    Specification Sheet SDS

  • 4,5-Dihydro-2-phenyloxazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    (4,5-Dihydro-2-oxazolyl)benzene
    Catalog Number:
    43317
    CAS Number:
    7127-19-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00075541
    Molecular Formula:
    C9H9NO
    Molecular Weight:
    147.18
    Specification Sheet SDS

  • 4,5-Dihydro-3(2H-thiophenone

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    3-Thiophanone
    Hazmat
    Catalog Number:
    29785
    CAS Number:
    1003-04-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005412
    Molecular Formula:
    C6H6OS
    Molecular Weight:
    102.15
    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

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

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    6-Phenyl-4,5-dihydro-2H-pyridazin-3-one
    Catalog Number:
    26065
    CAS Number:
    1011-46-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00099597
    Molecular Formula:
    C10H10N2O
    Molecular Weight:
    174.2
    Specification Sheet SDS

  • 4,5-Dihydroxy-1,3-benzenedisulfonic acid disodium salt monohydrate

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    Catechol-3,5-disulfonic acid disodium salt monohydrate
    Catalog Number:
    37390
    CAS Number:
    149-45-1
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00007473
    Molecular Formula:
    C6H4O8S2Na2·H2O
    Molecular Weight:
    332.21
    Specification Sheet SDS

  • 4,5-Dihydroxyanthraquinone-2-carboxylic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Rhein
    Catalog Number:
    42418
    CAS Number:
    478-43-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00009618
    Molecular Formula:
    C15H8O6
    Molecular Weight:
    284.22
    Specification Sheet SDS

  • 4,5-Dimethoxy-2-nitrobenzyl alcohol

    Purity:
    ≥ 99% (GC)
    Synonym:
    6-Nitroveratryl alcohol
    Catalog Number:
    12980
    CAS Number:
    1016-58-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00014701
    Molecular Formula:
    C9H11NO5
    Molecular Weight:
    213.19
    Specification Sheet SDS

  • 4,5-Dimethyl-3-hydroxy-2,5-dihydrofuran-2-one

    Grade:
    FG, KOSHER, FEMA 3634
    Purity:
    97 - 100% (GC)
    Synonym:
    Caramel furanone, Sotolon
    Catalog Number:
    34225
    Grade:
    FG, KOSHER, FEMA 3634
    CAS Number:
    28664-35-9
    Purity Limit:
    97 - 100% (GC)
    MDL NO:
    MFCD00059957
    Molecular Formula:
    C6H8O3
    Molecular Weight:
    128.13
    Specification Sheet SDS

  • 4,5-Dimethylfurfural

    Purity:
    ≥ 97% (GC)
    Synonym:
    4,5-Dimethyl-2-furaldehyde
    Catalog Number:
    42876
    CAS Number:
    52480-43-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00085030
    Molecular Formula:
    C7H8O2
    Molecular Weight:
    124.14
    Specification Sheet SDS

  • 4,5-Dimethylthiazole

    Hazmat
    Grade:
    meets FG specifications, KOSHER, FEMA 3274
    Purity:
    99 - 100% (GC)
    Hazmat
    Catalog Number:
    34123
    Grade:
    meets FG specifications, KOSHER, FEMA 3274
    CAS Number:
    3581-91-7
    Purity Limit:
    99 - 100% (GC)
    MDL NO:
    MFCD00005336
    Molecular Formula:
    C5H7NS
    Molecular Weight:
    113.18
    Specification Sheet SDS

  • 4,5-Diphenyl-2-oxazolethiol

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4,5-Diphenyl-2-mercaptooxazole
    Catalog Number:
    43289
    CAS Number:
    6670-13-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00173660
    Molecular Formula:
    C15H11NOS
    Molecular Weight:
    253.32
    Specification Sheet SDS

  • 4,5-Diphenylimidazole

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4,5-Diphenyl-1H-imidazole
    Catalog Number:
    24646
    CAS Number:
    668-94-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00005198
    Molecular Formula:
    C15H12N2
    Molecular Weight:
    220.27
    Specification Sheet SDS

  • 4,5-Diphenylimidazolin-2-one

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4,5-Diphenylimidazolone
    Catalog Number:
    25700
    CAS Number:
    642-36-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00022393
    Molecular Formula:
    C15H12N2O
    Molecular Weight:
    236.27
    Specification Sheet SDS

  • 4,5-Ethylenedithio-1,3-dithiol-2-one

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43190
    CAS Number:
    74962-29-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00137883
    Molecular Formula:
    C5H4OS4
    Molecular Weight:
    208.33
    Specification Sheet SDS

  • 4,5-Ethylenedithio-1,3-dithiole-2-thione

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43187
    CAS Number:
    59089-89-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00137882
    Molecular Formula:
    C5H4S5
    Molecular Weight:
    224.39
    Specification Sheet SDS

  • 4,5-Imidazoledicarboxylic acid

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    36492
    CAS Number:
    570-22-9
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00005200
    Molecular Formula:
    C5H4N2O4
    Molecular Weight:
    156.1
    Specification Sheet SDS

  • 4,5-Methylenedioxy-1,2-phenylenediamine dihydrochloride

    Grade:
    suitable for Hematology & Histology
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1,2-Diamino-4,5-methylenedioxybenzene dihydrochloride
    Catalog Number:
    41852
    Grade:
    suitable for Hematology & Histology
    CAS Number:
    81864-15-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037497
    Molecular Formula:
    C7H8N2O2·2HCl
    Molecular Weight:
    225.07
    Specification Sheet SDS

  • 4,5-Methylenedithio-1,3-dithiol-2-one

    Purity:
    ≥ 95% (HPLC)
    Catalog Number:
    43162
    CAS Number:
    85720-62-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00137885
    Molecular Formula:
    C4H2OS4
    Molecular Weight:
    194.3
    Specification Sheet SDS

  • 4,5-Methylenedithio-1,3-dithiole-2-thione

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43233
    CAS Number:
    70800-59-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00137884
    Molecular Formula:
    C4H2S5
    Molecular Weight:
    210.36
    Specification Sheet SDS

  • 4,6,8-Trimethylquinoline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43934
    CAS Number:
    88565-88-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00191505
    Molecular Formula:
    C12H13N
    Molecular Weight:
    171.24
    Specification Sheet SDS

  • 4,6-Bis(diphenylphosphino)phenoxazine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4,6-Bis(diphenylphosphino)-10H-phenoxazine
    Catalog Number:
    31921
    CAS Number:
    261733-18-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03788937
    Molecular Formula:
    C36H27NOP2
    Molecular Weight:
    551.55
    Specification Sheet SDS

  • 4,6-Diacetylresorcinol

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    1,1'-(4,6-Dihydroxy-1,3-phenylene)bisethanone
    Catalog Number:
    26012
    CAS Number:
    2161-85-5
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00017655
    Molecular Formula:
    C10H10O4
    Molecular Weight:
    194.19
    Specification Sheet SDS

  • 4,6-Diamino-2-mercaptopyrimidine

    Purity:
    ≥ 95% (Assay by titration)
    Catalog Number:
    43718
    CAS Number:
    1004-39-3
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD00006078
    Molecular Formula:
    C4H6N4S
    Molecular Weight:
    142.18
    Specification Sheet SDS

  • 4,6-Diaminopyrimidine

    Purity:
    ≥ 98% (GC)
    Synonym:
    4,6-Pyrimidinediamine
    Catalog Number:
    43715
    CAS Number:
    2434-56-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00044572
    Molecular Formula:
    C4H6N4
    Molecular Weight:
    110.12
    Specification Sheet SDS

  • 4,6-Dibromodibenzofuran

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    31061
    CAS Number:
    201138-91-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00185686
    Molecular Formula:
    C12H6Br2O
    Molecular Weight:
    325.99
    SDS

  • 4,6-Dibromodibenzothiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    31053
    CAS Number:
    669773-34-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD18451473
    Molecular Formula:
    C12H6Br2S
    Molecular Weight:
    342.05
    SDS

  • 4,6-Dichloro-1,3,5-triazin-2-amine

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    2-Amino-4,6-dichloro-1,3,5-triazine
    Catalog Number:
    45041
    CAS Number:
    933-20-0
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00078331
    Molecular Formula:
    C3H2Cl2N4
    Molecular Weight:
    164.98
    Specification Sheet SDS

  • 4,6-Dichloro-1H-indole-2-carboxylic acid ethyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Ethyl 4,6-dichloro-1H-indole-2-carboxylate
    Catalog Number:
    17303
    CAS Number:
    53995-82-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00800654
    Molecular Formula:
    C11H9Cl2NO2
    Molecular Weight:
    258.1
    Specification Sheet SDS

  • 4,6-Dichloro-2-(4-chlorophenyl)quinazoline

    Catalog Number:
    20206
    CAS Number:
    144924-32-3
    MDL NO:
    MFCD04115252
    Molecular Formula:
    C14H7Cl3N2
    Molecular Weight:
    309.58
    SDS

  • 4,6-Dichloro-2-(methylsulfonyl)pyrimidine

    Purity:
    ≥ 98% (GC)
    Synonym:
    4,6-Dichloro-2-(methanesulfonyl)pyrimidine
    Catalog Number:
    44858
    CAS Number:
    4489-34-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00672147
    Molecular Formula:
    C5H4Cl2N2O2S
    Molecular Weight:
    227.06
    Specification Sheet SDS

  • 4,6-Dichloro-2-methylpyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44817
    CAS Number:
    1780-26-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00090472
    Molecular Formula:
    C5H4Cl2N2
    Molecular Weight:
    163.0
    Specification Sheet SDS

  • 4,6-Dichloro-2-methylquinoline

    Purity:
    ≥ 98% (GC)
    Synonym:
    4,6-Dichloroquinaldine
    Catalog Number:
    44923
    CAS Number:
    53342-53-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00272372
    Molecular Formula:
    C10H7Cl2N
    Molecular Weight:
    212.07
    Specification Sheet SDS
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