💛 99% Happy customers

📦 Same-day shipping on in-stock items

🌟 Join our Rewards Program

Bloques de construcción

7871
Sub Categories
Química > Bloques de construcción > Bloques de construcción fluorados 1631
Química > Bloques de construcción > Bloques de construcción heterocíclicos 3724
Química > Bloques de construcción > Bloques de construcción no heterocíclicos 2575

  • Ácido 6-hidroxi-4-pirimidincarboxílico

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    Ácido 1,6-dihidro-6-oxo-4-pirimidincarboxílico
    Catalog Number:
    43688
    CAS Number:
    6299-87-2
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD00023267
    Molecular Formula:
    C5H4N2O3​​​
    Molecular Weight:
    140.1
    Specification Sheet SDS

  • 4-Fenilpirimidina

    Purity:
    ≥ 96% (GC)
    Catalog Number:
    43682
    CAS Number:
    3438-48-0
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00006111
    Molecular Formula:
    C10H8N2​​
    Molecular Weight:
    156.19
    Specification Sheet SDS

  • Sulfato de 2,4,5,6-tetraaminopirimidina

    Purity:
    ≥ 98% (Ensayo por titulación)
    Catalog Number:
    43703
    CAS Number:
    5392-28-9
    Purity Limit:
    ≥ 98% (Ensayo por titulación)
    MDL NO:
    MFCD00012786
    Molecular Formula:
    C4H8N6H2SO4​​​​
    Molecular Weight:
    238.22
    Specification Sheet SDS

  • 4,6-Dihidroxi-2-metilpirimidina

    Purity:
    ≥ 96% (Ensayo por titulación)
    Synonym:
    2-Metil-4,6-pirimidinadiol
    Catalog Number:
    43693
    CAS Number:
    40497-30-1
    Purity Limit:
    ≥ 96% (Ensayo por titulación)
    MDL NO:
    MFCD00006104
    Molecular Formula:
    C5H6N2O2​​​
    Molecular Weight:
    126.12
    Specification Sheet SDS

  • Ácido 5-aminoorótico

    Purity:
    ≥ 97% (Ensayo por titulación)
    Synonym:
    Ácido 5-aminouracil-6-carboxílico
    Catalog Number:
    43692
    CAS Number:
    7164-43-4
    Purity Limit:
    ≥ 97% (Ensayo por titulación)
    MDL NO:
    MFCD00010563
    Molecular Formula:
    C5H5N3O4​​​
    Molecular Weight:
    171.11
    Specification Sheet SDS

  • 5,6-Dimetiluracilo

    Purity:
    ≥ 99 % (HPLC)
    Synonym:
    2,4-Dihidroxi-5,6-dimetilpirimidina
    Catalog Number:
    43695
    CAS Number:
    26305-13-5
    Purity Limit:
    ≥ 99 % (HPLC)
    MDL NO:
    MFCD00010708
    Molecular Formula:
    C6H8N2O2​​​
    Molecular Weight:
    140.14
    Specification Sheet SDS

  • 2-Aminopirimidina

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43690
    CAS Number:
    109-12-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006089
    Molecular Formula:
    C4H5N3​​
    Molecular Weight:
    95.11
    Specification Sheet SDS

  • 4-Amino-2,6-dihidroxi-5-nitrosopirimidina

    Purity:
    ≥ 93 % (HPLC)
    Synonym:
    4-Amino-5-nitro-2,6-pirimidinadiol
    Catalog Number:
    43687
    CAS Number:
    5442-24-0
    Purity Limit:
    ≥ 93 % (HPLC)
    MDL NO:
    MFCD00012340
    Molecular Formula:
    C4H4N4O3​​​
    Molecular Weight:
    156.1
    Specification Sheet SDS

  • 2-Amino-4-metilpirimidina

    Purity:
    ≥ 97% (Ensayo por titulación)
    Catalog Number:
    43691
    CAS Number:
    108-52-1
    Purity Limit:
    ≥ 97% (Ensayo por titulación)
    MDL NO:
    MFCD00006101
    Molecular Formula:
    C5H7N3​​
    Molecular Weight:
    109.13
    Specification Sheet SDS

  • Ftalazina

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,3-benzodiazina
    Catalog Number:
    43673
    CAS Number:
    253-52-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006908
    Molecular Formula:
    C8H6N2​​
    Molecular Weight:
    130.15
    Specification Sheet SDS

  • 3,5-Dimetil-4-nitropirazol

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43650
    CAS Number:
    14531-55-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00052513
    Molecular Formula:
    C5H7N3O2​​​
    Molecular Weight:
    141.13
    Specification Sheet SDS

  • (4,6-Dimetoxi-2-pirimidinil)carbamato de fenilo

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Éster fenílico del ácido (4,6-dimetoxi-2-pirimidinil)carbámico
    Hazmat
    Catalog Number:
    43686
    CAS Number:
    89392-03-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02947731
    Molecular Formula:
    C13H13N3O4​​​
    Molecular Weight:
    275.26
    Specification Sheet SDS

  • 6-Metil-3( 2H- piridazinona

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Hidroxi-6-metilpiridazina
    Catalog Number:
    43669
    CAS Number:
    13327-27-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00039720
    Molecular Formula:
    C5H6N2O​​
    Molecular Weight:
    110.12
    Specification Sheet SDS

  • Ácido orótico monohidrato

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    Monohidrato de 6-carboxiuracilo
    Catalog Number:
    43678
    CAS Number:
    50887-69-9
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD00006027
    Molecular Formula:
    C5H4N2O4 · H2O​​
    Molecular Weight:
    174.12
    Specification Sheet SDS

  • Clorhidrato de 2-hidroxi-4-metilpirimidina

    Purity:
    ≥ 98% (Ensayo por titulación)
    Catalog Number:
    43684
    CAS Number:
    5348-51-6
    Purity Limit:
    ≥ 98% (Ensayo por titulación)
    MDL NO:
    MFCD00151347
    Molecular Formula:
    C5H6N2O · HCl
    Molecular Weight:
    146.57
    Specification Sheet SDS

  • 1-Metilpirazol

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43654
    CAS Number:
    930-36-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00144943
    Molecular Formula:
    C4H6N2​​
    Molecular Weight:
    82.11
    Specification Sheet SDS

  • 2,4-Diamino-6-hidroxipirimidina

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    2,4-Diamino-6-pirimidinol
    Catalog Number:
    43679
    CAS Number:
    56-06-4
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD00006098
    Molecular Formula:
    C4H6N4O​​
    Molecular Weight:
    126.12
    Specification Sheet SDS

  • Hidrato de 4-amino-6-hidroxi-2-mercaptopirimidina

    Purity:
    ≥ 98% (Ensayo por titulación)
    Synonym:
    Hidrato de 6-amino-2-tiouracilo
    Catalog Number:
    43685
    CAS Number:
    65802-56-4
    Purity Limit:
    ≥ 98% (Ensayo por titulación)
    MDL NO:
    MFCD00052384
    Molecular Formula:
    C4H5N3OS · xH2O​
    Molecular Weight:
    143.16
    Specification Sheet SDS

  • 3-Metoxipiridazina

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    43674
    CAS Number:
    19064-65-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00234098
    Molecular Formula:
    C5H6N2O​​
    Molecular Weight:
    110.12
    Specification Sheet SDS

  • Piridazina

    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

  • 6-Metil-2-oxo-4-fenil-1,2,3,4-tetrahidropirimidina-5-carboxilato de etilo

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    Éster etílico del ácido 6-metil-2-oxo-4-fenil-1,2,3,4-tetrahidropirimidina-5-carboxílico
    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-Cloro-3( 2H- piridazinona

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Cloro-6-hidroxipiridazina
    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-nitrosopirimidina

    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

  • Ftalazona

    Purity:
    ≥ 98% (GC)
    Synonym:
    Benzo[ d ]piridazina-1(2 H uno
    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-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

  • Ácido 1,4,5,6-tetrahidro-6-oxopiridazina-3-carboxílico

    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

  • 2-Amino-4-hidroxipirimidina-5-carboxilato de etilo

    Purity:
    ≥ 98% (GC)
    Synonym:
    Éster etílico del ácido 2-amino-4-hidroxipirimidina-5-carboxílico
    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-Fenilisocitosina

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    2-Amino-6-fenil-4( 1H- pirimidinona
    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-Metilpiridazina

    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-Diisopropilpirazol

    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-Metilftalazina

    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

  • Hidrazida metilmaleica

    Purity:
    ≥ 98% (GC)
    Synonym:
    1,2-Dihidro-4-metil-3,6-piridazindiona
    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

  • Ácido pirimidina-5-carboxílico

    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

  • Ácido 1-metilpirazol-4-carboxílico

    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-Aminopiridazina

    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-Metil-1- p -tolil-5-pirazolona

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

  • 3,5-Dimetil-1-fenilpirazol

    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

  • Hidrazida 4-nitroftálica

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    4-Nitroftalhidrazida
    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

  • 3(2 H -piridazinona

    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

  • 6-Fenil-3( 2H- piridazinona

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Hidroxi-6-fenilpiridazina
    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

  • Ácido 6-hidroxipiridazina-3-carboxílico monohidrato

    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-Metilpiridazina

    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

  • 4-Benzoil-3-metil-1-fenil-5-pirazolona

    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

  • Ácido piridazina-4-carboxílico

    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-Metil-1-fenil-3-pirazolidona

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    4-metil-3-oxo-1-fenilpirazolidina
    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-Metil-5-pirazolona

    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-pirazolil)piridina

    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-fenil-2-pirazolin-5-ona

    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

  • Metilpirazol-3-carboxilato

    Purity:
    ≥ 98% (GC)
    Synonym:
    Éster metílico del ácido pirazol-3-carboxílico
    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-Metil-1-(3'-sulfoamidofenil)-5-pirazolona

    Purity:
    ≥ 95% (Ensayo por titulación)
    Catalog Number:
    43653
    CAS Number:
    89-29-2
    Purity Limit:
    ≥ 95% (Ensayo por titulación)
    MDL NO:
    MFCD00035707
    Molecular Formula:
    C10H11N3O3S​​​
    Molecular Weight:
    253.28
    Specification Sheet SDS
Volver al principio