Découvrez le nouveau Chem-Impex : là où l'innovation commence par une liaison.

Blocs de construction hétérocycliques

3766
Filters

  • 1-méthyl-2-pyrrolidinone, distillée

    Hazmat
    Purity:
    ≥ 99,5 % (dosage)
    Synonym:
    N -méthyl-2-cétopyrrolidine
    Hazmat
    Catalog Number:
    00741
    CAS Number:
    872-50-4
    Purity Limit:
    ≥ 99,5 % (dosage)
    MDL NO:
    MFCD00003193
    Molecular Formula:
    C 5 H 9 NON
    Molecular Weight:
    0
  • 5-(éthylthio)-1 H -tétrazole

    Hazmat
    Purity:
    ≥ 99 % (dosage par titration)
    Synonym:
    5-Éthylsulfanyl-1 H -tétrazole
    Hazmat
    Catalog Number:
    01881
    CAS Number:
    89797-68-2
    Purity Limit:
    ≥ 99 % (dosage par titration)
    MDL NO:
    MFCD00068733
    Molecular Formula:
    C3H6N4S
    Molecular Weight:
    0
  • Imidazole

    Hazmat
    Purity:
    ≥ 99 % (dosage)
    Synonym:
    1,3-Diaza-2,4-cyclopentadiène
    Hazmat
    Catalog Number:
    00418
    CAS Number:
    288-32-4
    Purity Limit:
    ≥ 99 % (dosage)
    MDL NO:
    MFCD00005183
    Molecular Formula:
    C3H4N2
    Molecular Weight:
    0
  • 1-méthyl-2-pyrrolidinone, distillée

    Hazmat
    Grade:
    Réactif ACS
    Purity:
    ≥ 99% (GC)
    Synonym:
    N -méthyl-2-cétopyrrolidine
    Hazmat
    Catalog Number:
    30063
    Grade:
    Réactif ACS
    CAS Number:
    872-50-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00003193
    Molecular Formula:
    C 5 H 9 NON
    Molecular Weight:
    0
  • Chlorure de 2,3,5-triphényl-2H-tétrazolium

    Hazmat
    Purity:
    ≥ 99 % (dosage)
    Synonym:
    Rouge de tétrazolium
    Hazmat
    Catalog Number:
    01646
    CAS Number:
    298-96-4
    Purity Limit:
    ≥ 99 % (dosage)
    MDL NO:
    MFCD00011963
    Molecular Formula:
    C 19 H 15 N 4 Cl
    Molecular Weight:
    0
  • Violet de 4-iodonitrotétrazolium

    Purity:
    ≥ 99 % (HPLC)
    Synonym:
    Chlorure de 2-(4-iodophényl)-3-(4-nitrophényl)-5-phényltétrazolium
    Catalog Number:
    00193
    CAS Number:
    146-68-9
    Purity Limit:
    ≥ 99 % (HPLC)
    MDL NO:
    MFCD00011961
    Molecular Formula:
    C 19 H 13 ClIN 5 O 2
    Molecular Weight:
    505.7
  • N -Acétyl-5-méthoxytryptamine

    Grade:
    Meets USP Specification
    Purity:
    ≥ 99 % (HPLC)
    Synonym:
    Mélatonine
    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
  • Pipérazine anhydre

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

    Hazmat
    Purity:
    ≥ 99 % (dosage)
    Synonym:
    4-Méthylmorpholine
    Hazmat
    Catalog Number:
    02333
    CAS Number:
    109-02-4
    Purity Limit:
    ≥ 99 % (dosage)
    MDL NO:
    MFCD00006175
    Molecular Formula:
    C 5 H 11 NON
    Molecular Weight:
    0
  • Hexaméthylènetétramine

    Hazmat
    Purity:
    99 - 100%
    Synonym:
    Hexamine
    Hazmat
    Catalog Number:
    01234
    CAS Number:
    100-97-0
    Purity Limit:
    99 - 100%
    MDL NO:
    MFCD00006895
    Molecular Formula:
    C6H12N4
    Molecular Weight:
    0
  • Acide indole-3-acétique

    Purity:
    ≥ 98%
    Synonym:
    AAI
    Catalog Number:
    00188
    CAS Number:
    87-51-4
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00005636
    Molecular Formula:
    C 10 H 9 NO 2
    Molecular Weight:
    175.19
  • Chlorhydrate d'adénine

    Purity:
    ≥ 99 % (dosage)
    Synonym:
    Chlorhydrate de 6-aminopurine
    Catalog Number:
    00005
    CAS Number:
    2922-28-3, 6055-72-7
    Purity Limit:
    ≥ 99 % (dosage)
    MDL NO:
    MFCD00075782
    Molecular Formula:
    C5H5N5 · HCl
    Molecular Weight:
    171.6
  • 5-Iodouracile

    Purity:
    ≥ 98 % (dosage)
    Catalog Number:
    44839
    CAS Number:
    696-07-1
    Purity Limit:
    ≥ 98 % (dosage)
    MDL NO:
    MFCD00006020
    Molecular Formula:
    C 4 H 3 DANS 2 O 2
    Molecular Weight:
    237.98
  • Catalog Number:
    44838
    CAS Number:
    145783-15-9
    Purity Limit:
    ≥ 98% (CG)
    MDL NO:
    MFCD16875503
    Molecular Formula:
    C7H9Cl2N3S
    Molecular Weight:
    238.13
  • Pyrrolidine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Tétraméthylèneimine
    Hazmat
    Catalog Number:
    43864
    CAS Number:
    123-75-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005249
    Molecular Formula:
    C4H9N
    Molecular Weight:
    0
  • Catalog Number:
    43704
    CAS Number:
    113583-35-0
    Purity Limit:
    ≥ 98% (CG)
    MDL NO:
    MFCD00672151
    Molecular Formula:
    C7H10N2O4S
    Molecular Weight:
    218.23
  • Catalog Number:
    43353
    CAS Number:
    142-64-3
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00012754
    Molecular Formula:
    C4H10N2 · 2HCl · H2O
    Molecular Weight:
    177.07
  • 5,7-Dichloro-8-quinolinol

    Purity:
    ≥ 98% (CG)
    Synonym:
    5,7-Dichloro-8-hydroxyquinoléine
    Catalog Number:
    32052
    CAS Number:
    773-76-2
    Purity Limit:
    ≥ 98% (CG)
    MDL NO:
    MFCD00006786
    Molecular Formula:
    C9H5Cl2NO
    Molecular Weight:
    214.05
  • Oxyde de trimorpholinophosphine

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    Acide phosphorique trimorpholide
    Catalog Number:
    31287
    CAS Number:
    4441-12-7
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD00047406
    Molecular Formula:
    C12H24N3O4P
    Molecular Weight:
    305.31
  • Allantoïne

    Grade:
    répond aux spécifications USP
    Purity:
    98,5-101,0 % (dosage)
    Synonym:
    5-Uréidohydantoïne
    Catalog Number:
    30702
    Grade:
    répond aux spécifications USP
    CAS Number:
    97-59-6
    Purity Limit:
    98,5-101,0 % (dosage)
    MDL NO:
    MFCD00005260
    Molecular Formula:
    C4H6N4O3
    Molecular Weight:
    158.12
  • 2-Éthyl-4-méthyl-1 H -imidazole-1-propanenitrile

    Purity:
    ≥ 95% (CG)
    Synonym:
    1-(2-cyanoéthyl)-2-éthyl-4-méthylimidazole
    Catalog Number:
    27687
    CAS Number:
    23996-25-0
    Purity Limit:
    ≥ 95% (CG)
    MDL NO:
    MFCD00051492
    Molecular Formula:
    C9H13N3
    Molecular Weight:
    163.22
  • 2-Amino- 1H -benzimidazole

    Purity:
    ≥ 99 % (HPLC)
    Synonym:
    2-Aminobenzimidazole
    Catalog Number:
    26960
    CAS Number:
    934-32-7
    Purity Limit:
    ≥ 99 % (HPLC)
    MDL NO:
    MFCD00005596
    Molecular Formula:
    C7H7N3
    Molecular Weight:
    133.15
  • 2,2,6,6-tétraméthylpipéridine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Norpempidine
    Hazmat
    Catalog Number:
    24504
    CAS Number:
    768-66-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005985
    Molecular Formula:
    C9H19N
    Molecular Weight:
    0
  • Tryptamine

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

    Purity:
    ≥ 99 % (HPLC)
    Synonym:
    5-Benzyloxy-1H-indole
    Catalog Number:
    21882
    CAS Number:
    1215-59-4
    Purity Limit:
    ≥ 99 % (HPLC)
    MDL NO:
    MFCD00005676
    Molecular Formula:
    C 15 H 13 NON
    Molecular Weight:
    223.27
  • Acide kojique

    Purity:
    ≥ 99 % (dosage)
    Synonym:
    2-hydroxyméthyl-5-hydroxy-1,4-pyrone
    Catalog Number:
    21857
    CAS Number:
    501-30-4
    Purity Limit:
    ≥ 99 % (dosage)
    MDL NO:
    MFCD00006580
    Molecular Formula:
    C6H6O4
    Molecular Weight:
    142.11
  • Morpholine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    14091
    CAS Number:
    110-91-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005972
    Molecular Formula:
    C 4 H 9 NON
    Molecular Weight:
    0
  • 1-Phénylpipérazine

    Hazmat
    Purity:
    ≥ 98 % (dosage)
    Synonym:
    N -Phénylpipérazine
    Hazmat
    Catalog Number:
    06901
    CAS Number:
    92-54-6
    Purity Limit:
    ≥ 98 % (dosage)
    MDL NO:
    MFCD00005957
    Molecular Formula:
    C 10 H 14 N 2
    Molecular Weight:
    0
  • 1-méthylimidazole

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    N -méthylimidazole
    Hazmat
    Catalog Number:
    00526
    CAS Number:
    616-47-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005292
    Molecular Formula:
    C4H6N2
    Molecular Weight:
    0
  • Guanine

    Purity:
    ≥ 98 % (dosage)
    Synonym:
    2-Amino-6-hydroxypurine
    Catalog Number:
    00388
    CAS Number:
    73-40-5
    Purity Limit:
    ≥ 98 % (dosage)
    MDL NO:
    MFCD00071533
    Molecular Formula:
    C5H5N5O
    Molecular Weight:
    151.13
  • N 6 -Benzyladénine

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    6-Benzylaminopurine
    Catalog Number:
    00031
    CAS Number:
    1214-39-7
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD00005572
    Molecular Formula:
    C 12 H 11 N 5
    Molecular Weight:
    225.26
  • 1-méthyl-2-pyrrolidinone, distillée

    Hazmat
    Grade:
    Réactif ACS
    Purity:
    ≥ 99% (GC)
    Synonym:
    N -méthyl-2-cétopyrrolidine
    Hazmat
    Catalog Number:
    49520
    Grade:
    Réactif ACS
    CAS Number:
    872-50-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00003193
    Molecular Formula:
    C 5 H 9 NON
    Molecular Weight:
    99.13
  • Sel de sodium de 4-méthylumbelliférone

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    7-hydroxy-4-méthylcoumarine
    Catalog Number:
    49326
    CAS Number:
    5980-33-6
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD00069856
    Molecular Formula:
    C10H7NaO3
    Molecular Weight:
    198.15
  • 3-Aminopyridine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    3-Pyridinamine
    Hazmat
    Catalog Number:
    49318
    CAS Number:
    462-08-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006400
    Molecular Formula:
    C5H6N2
    Molecular Weight:
    0
  • Acide 3-hydroxybenzoïque

    Purity:
    ≥ 98% (CG)
    Synonym:
    Acide m -salicylique
    Catalog Number:
    49319
    CAS Number:
    99-06-9
    Purity Limit:
    ≥ 98% (CG)
    MDL NO:
    MFCD00002506
    Molecular Formula:
    C7H6O3
    Molecular Weight:
    138.12
  • 3-Cyanopyridine

    Purity:
    ≥ 99% (GC)
    Synonym:
    3-Pyridinecarbonitrile
    Catalog Number:
    46568
    CAS Number:
    100-54-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006372
    Molecular Formula:
    C6H4N2
    Molecular Weight:
    104.11
  • 2-Cyanopyridine

    Purity:
    ≥ 99% (GC)
    Synonym:
    2-Pyridinecarbonitrile
    Catalog Number:
    46569
    CAS Number:
    100-70-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006218
    Molecular Formula:
    C6H4N2
    Molecular Weight:
    104.11
  • 3-bromothiophène-2-carboxylate de méthyle

    Purity:
    ≥ 98% (CG)
    Synonym:
    Ester méthylique de l'acide 3-bromothiophène-2-carboxylique
    Catalog Number:
    45009
    CAS Number:
    26137-08-6
    Purity Limit:
    ≥ 98% (CG)
    MDL NO:
    MFCD00173839
    Molecular Formula:
    C6H5BrO2S
    Molecular Weight:
    221.07
  • 2-Amino-4-chloro-5-formyl-3-thiophènecarbonitrile

    Hazmat
    Purity:
    ≥ 98% (CG)
    Synonym:
    2-Amino-4-chloro-3-cyano-5-formylthiophène
    Hazmat
    Catalog Number:
    45007
    CAS Number:
    104366-23-6
    Purity Limit:
    ≥ 98% (CG)
    MDL NO:
    MFCD03788265
    Molecular Formula:
    C6H3ClN2OS
    Molecular Weight:
    0
  • 2,5-diiodothiophène

    Purity:
    ≥ 97% (CG)
    Catalog Number:
    45018
    CAS Number:
    625-88-7
    Purity Limit:
    ≥ 97% (CG)
    MDL NO:
    MFCD00014525
    Molecular Formula:
    C4H2I2S
    Molecular Weight:
    335.93
  • 5-chlorothiophène-2-carboxylate de méthyle

    Purity:
    ≥ 98% (CG)
    Synonym:
    Ester méthylique de l'acide 5-chlorothiophène-2-carboxylique
    Catalog Number:
    45019
    CAS Number:
    35475-03-7
    Purity Limit:
    ≥ 98% (CG)
    MDL NO:
    MFCD06203698
    Molecular Formula:
    C6H5ClO2S
    Molecular Weight:
    176.61
  • 4,6-dichloro-1,3,5-triazine-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
  • 3-Acétyl-2-(aminosulfonyl)-5-chlorothiophène

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    3-Acétyl-5-chloro-2-thiophènesulfonamide
    Catalog Number:
    45004
    CAS Number:
    160982-10-5
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD09033309
    Molecular Formula:
    C6H6ClNO3S2
    Molecular Weight:
    239.69
  • Catalog Number:
    45021
    CAS Number:
    52819-14-4
    Purity Limit:
    ≥ 96% (CG)
    MDL NO:
    MFCD00187130
    Molecular Formula:
    C4H2Cl2O2S
    Molecular Weight:
    185.02
  • carbamate de tert -butyle (4-bromothiophén-2-yl)

    Purity:
    ≥ 98 % (HPLC)
    Synonym:
    carbamate de tert -butyle (4-bromo-2-thiényle)
    Catalog Number:
    45026
    CAS Number:
    868387-45-5
    Purity Limit:
    ≥ 98 % (HPLC)
    MDL NO:
    MFCD13195314
    Molecular Formula:
    C9H12BrNO2S
    Molecular Weight:
    278.16
  • 2-chloro-3-méthylthiophène

    Purity:
    ≥ 98% (CG)
    Catalog Number:
    45010
    CAS Number:
    14345-97-2
    Purity Limit:
    ≥ 98% (CG)
    MDL NO:
    MFCD00130083
    Molecular Formula:
    C 5 H 5 ClS
    Molecular Weight:
    132.61
  • Catalog Number:
    45015
    CAS Number:
    52431-30-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00015537
    Molecular Formula:
    C4Br2N2O4S
    Molecular Weight:
    331.92
  • 2,5-Dibromothiophène

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    45024
    CAS Number:
    3141-27-3
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005420
    Molecular Formula:
    C4H2Br2S
    Molecular Weight:
    241.93
  • Catalog Number:
    45037
    CAS Number:
    949-42-8
    Purity Limit:
    ≥ 98% (CG)
    MDL NO:
    MFCD00023178
    Molecular Formula:
    C6H3Cl6N3
    Molecular Weight:
    329.81
  • Catalog Number:
    45040
    CAS Number:
    1700-02-3
    Purity Limit:
    ≥ 98% (CG)
    MDL NO:
    MFCD00047340
    Molecular Formula:
    C9H5Cl2N3
    Molecular Weight:
    226.06