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25001

  • 4,5,6-Tricloropirimidina

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44851
    CAS Number:
    27 de abril de 1780
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08458457
    Molecular Formula:
    C4HCl3N2​​
    Molecular Weight:
    183.42
    Specification Sheet SDS

  • 4,5-Bis(2-cianoetiltio)-1,3-ditiol-2-ona

    Hazmat
    Purity:
    ≥ 98 % (HPLC)
    Hazmat
    Catalog Number:
    43169
    CAS Number:
    158871-28-4
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD01142888
    Molecular Formula:
    C9H8N2OS4​​​
    Molecular Weight:
    288.42
    Specification Sheet SDS

  • 4,5-Bis(2-cianoetiltio)-1,3-ditiol-2-tiona

    Hazmat
    Purity:
    ≥ 98 % (HPLC)
    Hazmat
    Catalog Number:
    43175
    CAS Number:
    132765-35-6
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD01096160
    Molecular Formula:
    C9H8N2S5​​​
    Molecular Weight:
    304.48
    Specification Sheet SDS

  • 4,5-Bis(benzoiltio)-1,3-ditiol-2-tiona

    Purity:
    ≥ 98 % (HPLC)
    Catalog Number:
    43197
    CAS Number:
    68494-08-6
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD00059894
    Molecular Formula:
    C17H10O2S5​​​
    Molecular Weight:
    406.57
    Specification Sheet SDS

  • 4,5-Bis(hidroximetil)-2-fenilimidazol

    Purity:
    ≥ 95 % (HPLC)
    Catalog Number:
    42956
    CAS Number:
    61698-32-6
    Purity Limit:
    ≥ 95 % (HPLC)
    MDL NO:
    MFCD00047017
    Molecular Formula:
    C11H12N2O2​​​
    Molecular Weight:
    204.23
    Specification Sheet SDS

  • 4,5-Bis(hidroximetil)imidazol

    Purity:
    ≥ 98% (Ensayo por titulación)
    Synonym:
    1 H -Imidazol-4,5-dimetanol
    Catalog Number:
    42898
    CAS Number:
    33457-48-6
    Purity Limit:
    ≥ 98% (Ensayo por titulación)
    MDL NO:
    MFCD00191661
    Molecular Formula:
    C5H8N2O2​​​
    Molecular Weight:
    128.13
    Specification Sheet SDS

  • 4,5-Bis(metiltio)-1,3-ditiol-2-ona

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43177
    CAS Number:
    61485-46-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00137889
    Molecular Formula:
    C 5 H 6 O 4
    Molecular Weight:
    210.34
    Specification Sheet SDS

  • 4,5-Bis(metiltio)-1,3-ditiol-2-tiona

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43181
    CAS Number:
    49638-64-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00137888
    Molecular Formula:
    C5H6S5​​
    Molecular Weight:
    226.4
    Specification Sheet SDS

  • 4,5-Dehidro-L-leucina

    Purity:
    ≥ 99 % (HPLC)
    Synonym:
    H-Leu(4,5-deshidro)-OH
    Catalog Number:
    05807
    CAS Number:
    87392-13-0
    Purity Limit:
    ≥ 99 % (HPLC)
    MDL NO:
    MFCD00237695
    Molecular Formula:
    C6H11NO2​​
    Molecular Weight:
    129.18
    Specification Sheet SDS

  • 4,5-Diamino-6-hidroxipirimidina

    Purity:
    ≥ 96 % (HPLC)
    Synonym:
    5,6-Diamino-4( 1H- pirimidinona
    Catalog Number:
    43751
    CAS Number:
    1672-50-0
    Purity Limit:
    ≥ 96 % (HPLC)
    MDL NO:
    MFCD00006114
    Molecular Formula:
    C4H6N4O​​
    Molecular Weight:
    126.12
    Specification Sheet SDS

  • 4,5-Diaminopirimidina

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43744
    CAS Number:
    13754-19-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006113
    Molecular Formula:
    C4H6N4​​
    Molecular Weight:
    110.12
    Specification Sheet SDS

  • 4,5-Diazafluoren-9-ona

    Purity:
    ≥ 96 % (HPLC)
    Catalog Number:
    40951
    CAS Number:
    50890-67-0
    Purity Limit:
    ≥ 96 % (HPLC)
    MDL NO:
    MFCD00046892
    Molecular Formula:
    C11H6N2O​​
    Molecular Weight:
    182.18
    Specification Sheet SDS

  • 4,5-Diazafluoreno-9-ona O- ( p -Toluensulfonil)oxima

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    4,5-Diazafluoreno-9-ona O -tosiloxima
    Catalog Number:
    40942
    CAS Number:
    1655490-79-1
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD28976163
    Molecular Formula:
    C18H13N3O3S​​​
    Molecular Weight:
    351.38
    Specification Sheet SDS

  • 4,5-Dibromo-1 H -1,2,3-triazol

    Purity:
    ≥ 98% (Ensayo por titulación)
    Catalog Number:
    45044
    CAS Number:
    15294-81-2
    Purity Limit:
    ≥ 98% (Ensayo por titulación)
    MDL NO:
    MFCD08062401
    Molecular Formula:
    C2HBr2N3​​
    Molecular Weight:
    226.86
    Specification Sheet SDS

  • 4,5-Dibromo-2-(1-Metiletil)-1H-Imidazol

    Catalog Number:
    24295
    CAS Number:
    885266-63-7
    MDL NO:
    MFCD03844701
    Molecular Formula:
    C6H8Br2N2​​​
    Molecular Weight:
    267.95
    SDS

  • 4,5-Dibromo-3( 2H )-piridazinona

    Purity:
    ≥ 98% (GC)
    Synonym:
    4,5-Dibromo-3-hidroxipiridazina
    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 -metoxi- N -metil-2-furancarboxamida

    Purity:
    ≥ 96% (GC)
    Synonym:
    4,5-Dibromo- N -metil-2-furohidroxamato de metilo
    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-Dibromobenceno-1,2-diol, adecuado para hematología e histología

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

  • 4,5-Dibromofluoresceína

    Purity:
    ≥ 95% (Contenido de colorante)
    Synonym:
    Naranja ácida II
    Catalog Number:
    22818
    CAS Number:
    596-03-2
    Purity Limit:
    ≥ 95% (Contenido de colorante)
    MDL NO:
    MFCD00005042
    Molecular Formula:
    C20H10Br2O5​​​
    Molecular Weight:
    490.1
    Specification Sheet SDS

  • 4,5-Dicloro-2-metil-3(2 H )-piridazinona

    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-Dicloro-2- n -octil-4-isotiazolin-3-ona

    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-Dicloro-2-fenil-3(2 H )-piridazinona

    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-Dicloro-3(2 H )-piridazinona

    Purity:
    ≥ 98% (GC)
    Synonym:
    4,5-Dicloro-3-hidroxipiridazina
    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-Dicloroimidazol

    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-diciano-1,3-ditiol-2-ona

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

  • 4,5-Dicianoimidazol

    Hazmat
    Purity:
    ≥ 99 % (HPLC)
    Synonym:
    4,5-imidazoledicarbonitrilo
    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

  • Éster etílico del ácido 4,5-dietoxi-2-nitro-benzoico

    Purity:
    ≥ 99% (GC)
    Synonym:
    4,5-Dietoxi-2-nitrobenzoato de etilo
    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-fenilendiamina

    Purity:
    ≥ 97% (GC)
    Synonym:
    1,2-Diamino-4,5-difluorobenceno
    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-metoxibenzonitrilo

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-ciano-4,5-difluoroanisol
    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-nitroanilina

    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

  • Ácido 4,5-difluoro-2-nitrobenzoico

    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-Difluoroindol

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

  • Butirato de 4,5-dihidro-2,5-dimetil-4-oxofuran-3-ilo

    Purity:
    ≥ 96% (GC)
    Synonym:
    Ácido butírico 4,5-dihidro-2,5-dimetil-4-oxofuran-3-ilo
    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-Dihidro-2-feniloxazol

    Purity:
    ≥ 98% (GC)
    Synonym:
    (4,5-Dihidro-2-oxazolil)benceno
    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-Dihidro-3(2 H -tiofenona

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    3-tiofanona
    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-Dihidro-6-metil-3( 2H- piridazinona

    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-Dihidro-6-fenil-3( 2H- piridazinona

    Purity:
    ≥ 99 % (HPLC)
    Synonym:
    6-Fenil-4,5-dihidro- 2H -piridazin-3-ona
    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

  • Sal disódica del ácido 4,5-dihidroxi-1,3-bencenodisulfónico monohidrato

    Purity:
    ≥ 98% (Ensayo por titulación)
    Synonym:
    Sal disódica monohidrato del ácido catecol-3,5-disulfónico
    Catalog Number:
    37390
    CAS Number:
    149-45-1
    Purity Limit:
    ≥ 98% (Ensayo por titulación)
    MDL NO:
    MFCD00007473
    Molecular Formula:
    C6H4O8S2Na2H2O​​​​​
    Molecular Weight:
    332.21
    Specification Sheet SDS

  • Ácido 4,5-dihidroxiantraquinona-2-carboxílico

    Purity:
    ≥ 95 % (HPLC)
    Synonym:
    Rin
    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

  • Alcohol 4,5-dimetoxi-2-nitrobencílico

    Purity:
    ≥ 99% (GC)
    Synonym:
    Alcohol 6-nitroveratrílico
    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-Dimetil-3-hidroxi-2,5-dihidrofuran-2-ona

    Grade:
    Cumple con las especificaciones FG, KOSHER, FEMA 3634
    Purity:
    97 - 100% (GC)
    Synonym:
    Furanona de caramelo
    Catalog Number:
    34225
    Grade:
    Cumple con las especificaciones 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-Dimetilfurfural

    Purity:
    ≥ 97% (GC)
    Synonym:
    4,5-Dimetil-2-furaldehído
    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-Dimetiltiazol

    Hazmat
    Grade:
    Cumple con las especificaciones FG, KOSHER, FEMA 3274
    Purity:
    99 - 100% (GC)
    Hazmat
    Catalog Number:
    34123
    Grade:
    Cumple con las especificaciones FG, 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-Difenil-2-oxazoletiol

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    4,5-Difenil-2-mercaptooxazol
    Catalog Number:
    43289
    CAS Number:
    6670-13-9
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD00173660
    Molecular Formula:
    C 15 H 11 NÚMEROS
    Molecular Weight:
    253.32
    Specification Sheet SDS

  • 4,5-Difenilimidazol

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    4,5-Difenil- 1H- imidazol
    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-Difenilimidazolin-2-ona

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    4,5-Difenilimidazolona
    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-Etilenditio-1,3-ditiol-2-ona

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43190
    CAS Number:
    74962-29-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00137883
    Molecular Formula:
    C 5 H 4 O 4
    Molecular Weight:
    208.33
    Specification Sheet SDS

  • 4,5-Etilenditio-1,3-ditiol-2-tiona

    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

  • Ácido 4,5-imidazoledicarboxílico

    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

  • Dihidrocloruro de 4,5-metilendioxi-1,2-fenilendiamina

    Grade:
    Adecuado para hematología e histología.
    Purity:
    ≥ 90 % (HPLC)
    Synonym:
    Dihidrocloruro de 1,2-diamino-4,5-metilendioxibenceno
    Catalog Number:
    41852
    Grade:
    Adecuado para hematología e histología.
    CAS Number:
    81864-15-5
    Purity Limit:
    ≥ 90 % (HPLC)
    MDL NO:
    MFCD00037497
    Molecular Formula:
    C7H8N2O2 · 2HCl​
    Molecular Weight:
    225.07
    Specification Sheet SDS
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