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Bloques de construcción heterocíclicos

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  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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-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

  • 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

  • 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

  • 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

  • 5-Metilpirazol-3-carboxilato de metilo

    Purity:
    ≥ 98% (GC)
    Synonym:
    Éster metílico del ácido 5-metilpirazol-3-carboxílico
    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

  • Hidrato de ácido 3-fenilpirazol-5-carboxílico

    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

  • Sal sódica de 3-carboxi-1-(4-sulfofenil)-5-pirazolona

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    Sal sódica del ácido 5-oxo-1-(4-sulfofenil)-2-pirazolina-3-carboxílico
    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

  • 1-Bencil- 1H- pirazol-4-carboxaldehído

    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

  • 3,5-Dimetilpirazol-1-carboxamida

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Carbamoil-3,5-dimetilpirazol
    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-(4-Nitrofenil)-3-metil-5-pirazolona

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Metil-1-(4-nitrofenil)-5-pirazolona
    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

  • 1-Etilpirazol

    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

  • 3-Amino-5- tert -butilpirazol

    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

  • 4-Metilpirazol

    Purity:
    ≥ 98% (RMN)
    Catalog Number:
    43636
    CAS Number:
    7554-65-6
    Purity Limit:
    ≥ 98% (RMN)
    MDL NO:
    MFCD00005245
    Molecular Formula:
    C4H6N2​​
    Molecular Weight:
    82.11
    Specification Sheet SDS

  • Ácido 1-fenil-5-pirazolona-3-carboxílico

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    Ácido 5-oxo-1-fenil-2-pirazolin-3-carboxílico
    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

  • 5-Amino-1-( p -tolil)pirazol-4-carbonitrilo

    Purity:
    ≥ 93% (GC)
    Synonym:
    5-Amino-1-(4-metilfenil)pirazol-4-carbonitrilo
    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-isopropilpirazol

    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

  • Tris(3,5-dimetilpirazol-1-il)borohidruro de potasio

    Hazmat
    Purity:
    ≥ 98% (Ensayo por titulación)
    Synonym:
    Hidrotris(3,5-dimetilpirazol-1-il)borato de potasio
    Hazmat
    Catalog Number:
    43623
    CAS Number:
    17567-17-8
    Purity Limit:
    ≥ 98% (Ensayo por titulación)
    MDL NO:
    MFCD00040342
    Molecular Formula:
    C 15 H 22 BKN 6
    Molecular Weight:
    336.29
    Specification Sheet SDS

  • 4-Formilaminoantipirina

    Purity:
    ≥ 98% (GC)
    Synonym:
    N- (1,5-Dimetil-3-oxo-2-fenil-2,3-dihidro- 1H- pirazol-4-il)formamida
    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-Fenilpirazol

    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

  • 3-Metil-1-(4-sulfofenil)-2-pirazolin-5-ona

    Purity:
    ≥ 97% (Ensayo por titulación)
    Synonym:
    1-(4'-Sulfofenil)-3-metil-5-pirazolona
    Catalog Number:
    43631
    CAS Number:
    89-36-1
    Purity Limit:
    ≥ 97% (Ensayo por titulación)
    MDL NO:
    MFCD00020756
    Molecular Formula:
    C10H10N2O4S​​​
    Molecular Weight:
    254.26
    Specification Sheet SDS

  • Ácido pirazol-3-carboxílico

    Purity:
    ≥ 98 % (HPLC)
    Catalog Number:
    43616
    CAS Number:
    1621-91-6
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD00077436
    Molecular Formula:
    C4H4N2O2​​​
    Molecular Weight:
    112.09
    Specification Sheet SDS
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