🌟 99% Happy customers

📦 Same-day shipping on in-stock items

Bloques de construcción heterocíclicos

3723
Filters

  • 1-Metil-2-pirrolidinona, destilada

    Hazmat
    Purity:
    ≥ 99,5 % (ensayo)
    Synonym:
    N -Metil-2-cetopirrolidina
    Hazmat
    Catalog Number:
    00741
    CAS Number:
    872-50-4
    Purity Limit:
    ≥ 99,5 % (ensayo)
    MDL NO:
    MFCD00003193
    Molecular Formula:
    C5H9NO
    Molecular Weight:
    99.13
  • 5-(Etiltio)-1 H -tetrazol

    Hazmat
    Purity:
    ≥ 99% (Ensayo por titulación)
    Synonym:
    5-Etilsulfanil-1 H -tetrazol
    Hazmat
    Catalog Number:
    01881
    CAS Number:
    89797-68-2
    Purity Limit:
    ≥ 99% (Ensayo por titulación)
    MDL NO:
    MFCD00068733
    Molecular Formula:
    C3H6N4S
    Molecular Weight:
    130.18
  • Imidazol

    Hazmat
    Purity:
    ≥ 99% (ensayo)
    Synonym:
    1,3-Diaza-2,4-ciclopentadieno
    Hazmat
    Catalog Number:
    00418
    CAS Number:
    288-32-4
    Purity Limit:
    ≥ 99% (ensayo)
    MDL NO:
    MFCD00005183
    Molecular Formula:
    C3H4N2
    Molecular Weight:
    68.08
  • 1-Metil-2-pirrolidinona, destilada

    Hazmat
    Grade:
    Reactivo ACS
    Purity:
    ≥ 99% (GC)
    Synonym:
    N -Metil-2-cetopirrolidina
    Hazmat
    Catalog Number:
    30063
    Grade:
    Reactivo ACS
    CAS Number:
    872-50-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00003193
    Molecular Formula:
    C5H9NO
    Molecular Weight:
    99.13
  • Piperazina anhidra

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    1,4-Diazaciclohexano
    Hazmat
    Catalog Number:
    06899
    CAS Number:
    110-85-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005953
    Molecular Formula:
    C4H10N2
    Molecular Weight:
    86.14
  • Pirrolidina

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Tetrametilenimina
    Hazmat
    Catalog Number:
    43864
    CAS Number:
    123-75-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005249
    Molecular Formula:
    C4H9N
    Molecular Weight:
    71.12
  • N -Metilmorfolina

    Hazmat
    Purity:
    ≥ 99% (ensayo)
    Synonym:
    4-Metilmorfolina
    Hazmat
    Catalog Number:
    02333
    CAS Number:
    109-02-4
    Purity Limit:
    ≥ 99% (ensayo)
    MDL NO:
    MFCD00006175
    Molecular Formula:
    C 5 H 11 NO
    Molecular Weight:
    101.15
  • Cloruro de 2,3,5-trifenil-2H-tetrazolio

    Hazmat
    Purity:
    ≥ 99% (ensayo)
    Synonym:
    Rojo tetrazolio
    Hazmat
    Catalog Number:
    01646
    CAS Number:
    298-96-4
    Purity Limit:
    ≥ 99% (ensayo)
    MDL NO:
    MFCD00011963
    Molecular Formula:
    C19H15N4Cl
    Molecular Weight:
    334.81
  • Tetrahidrofurano anhidro, estabilizado con 250-300 ppm de BHT

    Hazmat
    Purity:
    ≥ 99,9 % (GC)
    Synonym:
    Teoría de la relatividad
    Hazmat
    Catalog Number:
    00761
    CAS Number:
    109-99-9
    Purity Limit:
    ≥ 99,9 % (GC)
    MDL NO:
    MFCD00005356
    Molecular Formula:
    C4H8O
    Molecular Weight:
    72.11
  • 4-Metilpiperidina

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Pipecolina
    Hazmat
    Catalog Number:
    43450
    CAS Number:
    626-58-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006005
    Molecular Formula:
    C6H13N
    Molecular Weight:
    99.18
  • Triptamina

    Purity:
    ≥ 99 % (HPLC)
    Synonym:
    1 H -Indol-3-etanamina
    Catalog Number:
    21918
    CAS Number:
    61-54-1
    Purity Limit:
    ≥ 99 % (HPLC)
    MDL NO:
    MFCD00005661
    Molecular Formula:
    C10H12N2
    Molecular Weight:
    160.22
  • 1-Metilimidazol

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    N -metilimidazol
    Hazmat
    Catalog Number:
    00526
    CAS Number:
    616-47-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005292
    Molecular Formula:
    C4H6N2
    Molecular Weight:
    82.11
  • N -acetil-5-metoxitriptamina

    Grade:
    Meets USP Specification
    Purity:
    ≥ 99 % (HPLC)
    Synonym:
    Melatonina
    Catalog Number:
    09492
    Grade:
    Meets USP Specification
    CAS Number:
    73-31-4
    Purity Limit:
    ≥ 99 % (HPLC)
    MDL NO:
    MFCD00005655
    Molecular Formula:
    C13H16N2O2
    Molecular Weight:
    232.28
  • Hexametilentetramina

    Hazmat
    Purity:
    99 - 100%
    Synonym:
    Hexamina
    Hazmat
    Catalog Number:
    01234
    CAS Number:
    100-97-0
    Purity Limit:
    99 - 100%
    MDL NO:
    MFCD00006895
    Molecular Formula:
    C6H12N4
    Molecular Weight:
    140.2
  • N -óxido de 5,5-dimetil-1-pirrolina

    Purity:
    ≥ 97% (RMN)
    Synonym:
    5,5-Dimetil-1-pirrolina-1-óxido
    Catalog Number:
    37375
    CAS Number:
    3317-61-1
    Purity Limit:
    ≥ 97% (RMN)
    MDL NO:
    MFCD00005279
    Molecular Formula:
    C6H11NO
    Molecular Weight:
    113.16
  • Uracilo

    Purity:
    ≥ 99 % (HPLC)
    Synonym:
    2,4(1 H ,3 H )-pirimidindiona
    Catalog Number:
    31792
    CAS Number:
    66-22-8
    Purity Limit:
    ≥ 99 % (HPLC)
    MDL NO:
    MFCD00068245
    Molecular Formula:
    C4H4N2O2
    Molecular Weight:
    112.09
  • 2,3,3-Trimetil-4,5-benzo-3 H -indol

    Purity:
    ≥ 99 % (HPLC)
    Synonym:
    1,1,2-Trimetil- 1H -benzo[e]indol
    Catalog Number:
    22010
    CAS Number:
    41532-84-7
    Purity Limit:
    ≥ 99 % (HPLC)
    MDL NO:
    MFCD00082627
    Molecular Formula:
    C15H15N
    Molecular Weight:
    209.29
  • Imidazol

    Hazmat
    Grade:
    Reactivo ACS
    Purity:
    ≥ 99% (titulación)
    Synonym:
    1,3-Diaza-2,4-ciclopentadieno
    Hazmat
    Catalog Number:
    01546
    Grade:
    Reactivo ACS
    CAS Number:
    288-32-4
    Purity Limit:
    ≥ 99% (titulación)
    MDL NO:
    MFCD00005183
    Molecular Formula:
    C3H4N2
    Molecular Weight:
    68.08
  • Ácido indol-3-acético

    Purity:
    ≥ 98%
    Synonym:
    Asociación Internacional de Automatización (IAA)
    Catalog Number:
    00188
    CAS Number:
    87-51-4
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00005636
    Molecular Formula:
    C10H9NO2
    Molecular Weight:
    175.19
  • N 6 -Benciladenina

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    6-bencilaminopurina
    Catalog Number:
    00031
    CAS Number:
    1214-39-7
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD00005572
    Molecular Formula:
    C12H11N5
    Molecular Weight:
    225.26
  • Antipirina

    Purity:
    ≥ 99% (ensayo por titulación, GC)
    Synonym:
    2,3-Dimetil-1-fenil-5-pirazolona
    Catalog Number:
    37783
    CAS Number:
    60-80-0
    Purity Limit:
    ≥ 99% (ensayo por titulación, GC)
    MDL NO:
    MFCD00003146
    Molecular Formula:
    C11H12N2O
    Molecular Weight:
    188.23
  • Creatinina

    Grade:
    Cumple con las especificaciones USP
    Purity:
    98,5 - 102,0 % (ensayo en base seca)
    Synonym:
    1-Metilglicociamidina
    Catalog Number:
    21878
    Grade:
    Cumple con las especificaciones USP
    CAS Number:
    60-27-5
    Purity Limit:
    98,5 - 102,0 % (ensayo en base seca)
    MDL NO:
    MFCD00059730
    Molecular Formula:
    C4H7N3O
    Molecular Weight:
    113.12
  • 5-Metoxitriptamina

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    3-(2-aminoetil)-5-metoxiindol
    Catalog Number:
    11759
    CAS Number:
    608-07-1
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD00005662
    Molecular Formula:
    C11H14N2O
    Molecular Weight:
    190.24
  • Yoduro de 2-cloro-1-metilpiridinio

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    Reactivo de Mukaiyama
    Catalog Number:
    04881
    CAS Number:
    14338-32-0
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD00011984
    Molecular Formula:
    C6H7NClI
    Molecular Weight:
    255.49
  • Violeta de 4-yodonitrotetrazolio

    Purity:
    ≥ 99 % (HPLC)
    Synonym:
    Cloruro de 2-(4-yodofenil)-3-(4-nitrofenil)-5-feniltetrazolio
    Catalog Number:
    00193
    CAS Number:
    146-68-9
    Purity Limit:
    ≥ 99 % (HPLC)
    MDL NO:
    MFCD00011961
    Molecular Formula:
    C19H13ClIN5O2
    Molecular Weight:
    505.7
  • 2-Yodopirazina

    Purity:
    ≥ 97% (GC)
    Synonym:
    Yodopirazina
    Catalog Number:
    44596
    CAS Number:
    32111-21-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD01319019
    Molecular Formula:
    C 4 H 3 EN 2
    Molecular Weight:
    205.99
  • 2-Metil-2-imidazolina

    Purity:
    ≥ 97% (RMN)
    Catalog Number:
    42979
    CAS Number:
    534-26-9
    Purity Limit:
    ≥ 97% (RMN)
    MDL NO:
    MFCD00051490
    Molecular Formula:
    C4H8N2
    Molecular Weight:
    84.12
  • 3-Fenillumbeliferona

    Purity:
    ≥ 98% (GC)
    Synonym:
    7-Hidroxi-3-fenilcumarina
    Catalog Number:
    42781
    CAS Number:
    6468-96-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00037574
    Molecular Formula:
    C15H10O3
    Molecular Weight:
    238.24
  • 3-Hidroxi-5-metilisoxazol

    Purity:
    ≥ 98% (GC)
    Synonym:
    Himexazol
    Catalog Number:
    38423
    CAS Number:
    10004-44-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00144468
    Molecular Formula:
    C4H5NO2
    Molecular Weight:
    99.09
  • Alcohol furfurílico

    Hazmat
    Grade:
    Cumple con las especificaciones FG, KOSHER, FEMA 2491
    Purity:
    98 - 100% (GC)
    Synonym:
    Furano-2-metanol
    Hazmat
    Catalog Number:
    34254
    Grade:
    Cumple con las especificaciones FG, KOSHER, FEMA 2491
    CAS Number:
    98-00-0
    Purity Limit:
    98 - 100% (GC)
    MDL NO:
    MFCD00003252
    Molecular Formula:
    C5H6O2
    Molecular Weight:
    98.1
  • 1-Metil-4-(metilamino)piperidina

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    26717
    CAS Number:
    73579-08-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006498
    Molecular Formula:
    C7H16N2
    Molecular Weight:
    128.22
  • 4-Bromo-7-azaindol

    Hazmat
    Purity:
    ≥ 97%
    Synonym:
    4-Bromo-1H-pyrrolo[2,3-b]pyridine    
    Hazmat
    Catalog Number:
    24732
    CAS Number:
    348640-06-2
    Purity Limit:
    ≥ 97%
    MDL NO:
    MFCD08272233
    Molecular Formula:
    C7H5BrN2
    Molecular Weight:
    197.04
  • Morfolina

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    14091
    CAS Number:
    110-91-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005972
    Molecular Formula:
    C4H9NO
    Molecular Weight:
    87.12
  • 2-Metilindol

    Purity:
    ≥ 99% (ensayo)
    Synonym:
    α-Metilindol
    Catalog Number:
    12992
    CAS Number:
    95-20-5
    Purity Limit:
    ≥ 99% (ensayo)
    MDL NO:
    MFCD00005616
    Molecular Formula:
    C9H9N
    Molecular Weight:
    131.18
  • 5-(Metiltio)-1H-tetrazol

    Purity:
    ≥ 99 % (HPLC)
    Catalog Number:
    01399
    CAS Number:
    29515-99-9
    Purity Limit:
    ≥ 99 % (HPLC)
    MDL NO:
    MFCD00068726
    Molecular Formula:
    C2H4N4S
    Molecular Weight:
    116.15
  • 8-Hidroxiquinolina

    Grade:
    Reactivo ACS
    Purity:
    ≥ 99% (Ensayo por titulación)
    Synonym:
    8-Quinolinol
    Catalog Number:
    00372
    Grade:
    Reactivo ACS
    CAS Number:
    148-24-3
    Purity Limit:
    ≥ 99% (Ensayo por titulación)
    MDL NO:
    MFCD00006807
    Molecular Formula:
    C9H7NO
    Molecular Weight:
    145.16
  • Clorhidrato de adenina

    Purity:
    ≥ 99% (ensayo)
    Synonym:
    Clorhidrato de 6-aminopurina
    Catalog Number:
    00005
    CAS Number:
    2922-28-3, 6055-72-7
    Purity Limit:
    ≥ 99% (ensayo)
    MDL NO:
    MFCD00075782
    Molecular Formula:
    C5H5N5 · HCl
    Molecular Weight:
    171.6
  • 3-cianopiridina

    Purity:
    ≥ 99% (GC)
    Synonym:
    3-piridinacarbonitrilo
    Catalog Number:
    46568
    CAS Number:
    100-54-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006372
    Molecular Formula:
    C6H4N2
    Molecular Weight:
    104.11
  • 5,7-Diyodo-8-hidroxiquinolina

    Grade:
    cumple con la especificación USP
    Purity:
    96,0 - 100,5 % (ensayo por titulación)
    Synonym:
    5,7-Diyodooxina
    Catalog Number:
    44903
    Grade:
    cumple con la especificación USP
    CAS Number:
    83-73-8
    Purity Limit:
    96,0 - 100,5 % (ensayo por titulación)
    MDL NO:
    MFCD00006789
    Molecular Formula:
    C9H5I2NO
    Molecular Weight:
    396.95
  • 5-Yodouracilo

    Purity:
    ≥ 98% (ensayo)
    Catalog Number:
    44839
    CAS Number:
    696-07-1
    Purity Limit:
    ≥ 98% (ensayo)
    MDL NO:
    MFCD00006020
    Molecular Formula:
    C4H3IN2O2
    Molecular Weight:
    237.98
  • Catalog Number:
    44838
    CAS Number:
    145783-15-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD16875503
    Molecular Formula:
    C7H9Cl2N3S
    Molecular Weight:
    238.13
  • 4-Cloro-7-clorosulfonil-2,1,3-benzoxadiazol [Reactivo fluorescente bifuncional]

    Hazmat
    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    Cloruro de 4-cloro-2,1,3-benzoxadiazol-7-sulfonilo
    Hazmat
    Catalog Number:
    44554
    CAS Number:
    142246-48-8
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD00191405
    Molecular Formula:
    C6H2Cl2N2O3S
    Molecular Weight:
    253.05
  • Ácido 8-hidroxiquinolina-5-sulfónico monohidrato

    Purity:
    ≥ 98% (ensayo)
    Synonym:
    Ácido oxino-5-sulfónico monohidrato
    Catalog Number:
    43909
    CAS Number:
    283158-18-9
    Purity Limit:
    ≥ 98% (ensayo)
    MDL NO:
    MFCD00006795
    Molecular Formula:
    C9H7NO4S · H2O
    Molecular Weight:
    243.24
  • Catalog Number:
    43704
    CAS Number:
    113583-35-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00672151
    Molecular Formula:
    C7H10N2O4S
    Molecular Weight:
    218.23
  • 2,6-Dimetil-g-pirona

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,6-Dimetil- 4H- piran-4-ona
    Catalog Number:
    43548
    CAS Number:
    1004-36-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006579
    Molecular Formula:
    C7H8O2
    Molecular Weight:
    124.14
  • 4-Piperidinametanol

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    4-(Hidroximetil)piperidina
    Hazmat
    Catalog Number:
    43479
    CAS Number:
    6457-49-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00174228
    Molecular Formula:
    C6H13NO
    Molecular Weight:
    115.18
  • Catalog Number:
    43353
    CAS Number:
    142-64-3
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00012754
    Molecular Formula:
    C4H10N2 · 2HCl · H2O
    Molecular Weight:
    177.07
  • Catalog Number:
    43199
    CAS Number:
    115473-15-9
    Purity Limit:
    ≥ 97% (Ensayo por titulación)
    MDL NO:
    MFCD11111130
    Molecular Formula:
    C7H9NOS · HCl
    Molecular Weight:
    191.67
  • 1-Metil-2-fenilindol

    Purity:
    ≥ 99%
    Catalog Number:
    43003
    CAS Number:
    3558-24-5
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00022892
    Molecular Formula:
    C15H13N
    Molecular Weight:
    207.28
  • Alcohol tetrahidrofurfurílico

    Purity:
    ≥ 98% (GC)
    Synonym:
    TFA
    Catalog Number:
    42871
    CAS Number:
    97-99-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005372
    Molecular Formula:
    C5H10O2
    Molecular Weight:
    102.13