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Heterocyclic Building Blocks

3724

  • 3-Aminoquinuclidine dihydrochloride

    Purity:
    98 - 102% (Assay by titration)
    Synonym:
    3-Amino-1-azabicyclo[2.2.2]octane dihydrochloride
    Catalog Number:
    33514
    CAS Number:
    6530-09-2
    Purity Limit:
    98 - 102% (Assay by titration)
    MDL NO:
    MFCD00137395
    Molecular Formula:
    C7H14N2·2HCl
    Molecular Weight:
    199.12
    Specification Sheet SDS

  • Tetrahydro-2-(2-propynyloxy)-2H-pyran

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    2-(2-Propynyloxy)tetrahydropyran
    Hazmat
    Catalog Number:
    33402
    CAS Number:
    6089-04-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006604
    Molecular Formula:
    C8H12O2
    Molecular Weight:
    140.18
    Specification Sheet SDS

  • 3,4-Dimethoxythiophene

    Purity:
    ≥ 99% (GC)
    Synonym:
    DMOT
    Catalog Number:
    33420
    CAS Number:
    51792-34-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD01096546
    Molecular Formula:
    C6H8O2S
    Molecular Weight:
    144.19
    Specification Sheet SDS

  • 4-(2-Propyn-1-yl)morpholine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    4-Propargylmorpholine
    Hazmat
    Catalog Number:
    33410
    CAS Number:
    5799-76-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00510919
    Molecular Formula:
    C7H11NO
    Molecular Weight:
    125.17
    Specification Sheet SDS

  • 3-Methyl-7-propylxanthine

    Purity:
    ≥ 96% (AT)
    Catalog Number:
    32491
    CAS Number:
    55242-64-3
    Purity Limit:
    ≥ 96% (AT)
    MDL NO:
    MFCD02089337
    Molecular Formula:
    C9H12N4O2
    Molecular Weight:
    208.22
    Specification Sheet SDS

  • Histamine bisphosphate monohydrate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-(4-Imidazolyl)ethylamine diphosphate salt monohydrate
    Catalog Number:
    32474
    CAS Number:
    51-74-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00150816
    Molecular Formula:
    C5H9N3·2H3PO4·H2O
    Molecular Weight:
    325.15
    Specification Sheet SDS

  • Theophylline-7-acetic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    1,3-Dimethylxanthine-7-acetic acid
    Catalog Number:
    32538
    CAS Number:
    652-37-9
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00022832
    Molecular Formula:
    C9H10N4O4
    Molecular Weight:
    238.2
    Specification Sheet SDS

  • Glycoluril

    Purity:
    ≥ 98% (Nitrogen estimation)
    Synonym:
    Acetyleneurea
    Catalog Number:
    32069
    CAS Number:
    496-46-8
    Purity Limit:
    ≥ 98% (Nitrogen estimation)
    MDL NO:
    MFCD00005539
    Molecular Formula:
    C4H6N4O2
    Molecular Weight:
    142.12
    Specification Sheet SDS

  • 1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3-Hydroxytriazolo[4,3-a]pyridine
    Catalog Number:
    32071
    CAS Number:
    6969-71-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00022632
    Molecular Formula:
    C6H5N3O
    Molecular Weight:
    135.12
    Specification Sheet SDS

  • 2-Hydroxybenzimidazole

    Purity:
    ≥ 99.5% (HPLC)
    Synonym:
    2(1H)-Benzimidazolone
    Catalog Number:
    32064
    CAS Number:
    615-16-7
    Purity Limit:
    ≥ 99.5% (HPLC)
    MDL NO:
    MFCD00127894
    Molecular Formula:
    C7H6N2O
    Molecular Weight:
    134.14
    Specification Sheet SDS

  • 5-Chloro-8-quinolinol

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    5-Chloro-8-hydroxyquinoline
    Catalog Number:
    32053
    CAS Number:
    130-16-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00006788
    Molecular Formula:
    C9H6ClNO
    Molecular Weight:
    179.6
    Specification Sheet SDS

  • 4-(2-Aminoethyl)morpholine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    2-Morpholinoethylamine
    Hazmat
    Catalog Number:
    32062
    CAS Number:
    2038-03-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006182
    Molecular Formula:
    C6H14N2O
    Molecular Weight:
    130.19
    Specification Sheet SDS

  • 1-[2-(2-Hydroxyethoxy)ethyl]piperazine

    Purity:
    ≥ 99.0% (HPLC)
    Synonym:
    2-[2-(1-Piperazinyl)ethoxy]ethanol
    Catalog Number:
    31911
    CAS Number:
    13349-82-1
    Purity Limit:
    ≥ 99.0% (HPLC)
    MDL NO:
    MFCD00074931
    Molecular Formula:
    C8H18N2O2
    Molecular Weight:
    174.24
    Specification Sheet SDS

  • 2-Chloropyridine-3-carboxylic acid

    Purity:
    ≥ 99.0% (HPLC)
    Synonym:
    2-Chloronicotinic acid
    Catalog Number:
    31902
    CAS Number:
    2942-59-8
    Purity Limit:
    ≥ 99.0% (HPLC)
    MDL NO:
    MFCD00006236
    Molecular Formula:
    C6H4ClNO2
    Molecular Weight:
    157.55
    Specification Sheet SDS

  • Oxetane-3-methanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Oxetanemethanol
    Catalog Number:
    31941
    CAS Number:
    6246-06-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD17015894
    Molecular Formula:
    C4H8O2
    Molecular Weight:
    88.11
    Specification Sheet SDS

  • Dimethyl furan-2,5-dicarboxylate

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    31919
    CAS Number:
    4282-32-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00092317
    Molecular Formula:
    C8H8O5
    Molecular Weight:
    184.15
    Specification Sheet SDS

  • 3-Iodooxetane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    1,3-Epoxy-2-iodopropane
    Hazmat
    Catalog Number:
    31868
    CAS Number:
    26272-85-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD08544403
    Molecular Formula:
    C3H5IO
    Molecular Weight:
    183.98
    Specification Sheet SDS

  • 5-Hydroxymethyl-2-furancarboxylic acid

    Purity:
    ≥ 98.0% (HPLC)
    Synonym:
    5-(Hydroxymethyl)furan-2-carboxylic acid
    Catalog Number:
    31899
    CAS Number:
    6338-41-6
    Purity Limit:
    ≥ 98.0% (HPLC)
    MDL NO:
    MFCD03274472
    Molecular Formula:
    C6H6O4
    Molecular Weight:
    142.11
    Specification Sheet SDS

  • 1-Methylindazole-3-carboxylic acid

    Purity:
    ≥ 98.0% (HPLC)
    Synonym:
    1-Methyl-3-indazolecarboxylic acid
    Catalog Number:
    31900
    CAS Number:
    50890-83-0
    Purity Limit:
    ≥ 98.0% (HPLC)
    MDL NO:
    MFCD00272569
    Molecular Formula:
    C9H8N2O2
    Molecular Weight:
    176.17
    Specification Sheet SDS

  • 4,4'-Dibromo-2,2'-bipyridyl

    Purity:
    ≥ 97% (GC)
    Synonym:
    4,4'-Dibromo-2,2'-bipyridine
    Catalog Number:
    31816
    CAS Number:
    18511-71-2
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00667763
    Molecular Formula:
    C10H6Br2N2
    Molecular Weight:
    313.98
    Specification Sheet SDS

  • 5-Bromo-5-nitro-1,3-dioxane

    Hazmat
    Purity:
    ≥ 99%(GC)
    Synonym:
    5-Bromo-5-nitro-m-dioxane
    Hazmat
    Catalog Number:
    31769
    CAS Number:
    30007-47-7
    Purity Limit:
    ≥ 99%(GC)
    MDL NO:
    MFCD00101855
    Molecular Formula:
    C4H6BrNO4
    Molecular Weight:
    212.0
    SDS

  • 2,2'-Biquinoline

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2,2'-Diquinolyl
    Catalog Number:
    31811
    CAS Number:
    119-91-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00006740
    Molecular Formula:
    C18H12N2
    Molecular Weight:
    256.3
    Specification Sheet SDS

  • 5-Amino-1-methyltetrazole

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1-Methyltetrazol-5-amine
    Hazmat
    Catalog Number:
    31734
    CAS Number:
    5422-44-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00186454
    Molecular Formula:
    C2H5N5
    Molecular Weight:
    99.1
    Specification Sheet SDS

  • 5,5'-Dibromo-2,2'-bipyridyl

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5,5'-Dibromo-2,2'-bipyridine
    Catalog Number:
    31824
    CAS Number:
    15862-18-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06657883
    Molecular Formula:
    C10H6Br2N2
    Molecular Weight:
    313.98
    Specification Sheet SDS

  • 5-Bromo-2,4-dichloropyrimidine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    2,4-Dichloro-5-bromo pyrimidine
    Hazmat
    Catalog Number:
    31768
    CAS Number:
    36082-50-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00127818
    Molecular Formula:
    C4HBrCl2N2
    Molecular Weight:
    227.87
    Specification Sheet SDS

  • 1-(3-Acetamidophenyl)-5-mercaptotetrazole

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Hazmat
    Catalog Number:
    31726
    CAS Number:
    14070-48-5
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00603728
    Molecular Formula:
    C9H9N5OS
    Molecular Weight:
    235.27
    Specification Sheet SDS

  • Butadiene sulfone

    Hazmat
    Purity:
    ≥ 27% (Sulfur content)
    Synonym:
    3-Sulfolene
    Hazmat
    Catalog Number:
    31557
    CAS Number:
    77-79-2
    Purity Limit:
    ≥ 27% (Sulfur content)
    MDL NO:
    MFCD00005481
    Molecular Formula:
    C4H6O2S
    Molecular Weight:
    118.15
    Specification Sheet SDS

  • 3,4,6-Trichloropyridazine

    Purity:
    ≥ 98%
    Catalog Number:
    31465
    CAS Number:
    6082-66-2
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00834957
    Molecular Formula:
    C4HCl3N2
    Molecular Weight:
    183.42
    SDS

  • Oxetan-3-ol

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Hydroxyoxetane
    Catalog Number:
    31486
    CAS Number:
    7748-36-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09056790
    Molecular Formula:
    C3H6O2
    Molecular Weight:
    74.08
    Specification Sheet SDS

  • 3-Aminooxetane

    Hazmat
    Purity:
    ≥ 96% (Assay)
    Synonym:
    3-Oxetanamine
    Hazmat
    Catalog Number:
    31466
    CAS Number:
    21635-88-1
    Purity Limit:
    ≥ 96% (Assay)
    MDL NO:
    MFCD08544363
    Molecular Formula:
    C3H7NO
    Molecular Weight:
    73.09
    Specification Sheet SDS

  • 3-Oxetanone

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    1,3-Epoxy-2-propanone
    Hazmat
    Catalog Number:
    31468
    CAS Number:
    6704-31-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09263255
    Molecular Formula:
    C3H4O2
    Molecular Weight:
    72.06
    Specification Sheet SDS

  • 1-Benzyl-3-pyrrolidone

    Purity:
    ≥ 99% (GC)
    Synonym:
    N-Benzyl-3-pyrrolidone
    Catalog Number:
    31373
    CAS Number:
    775-16-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005342
    Molecular Formula:
    C11H13NO
    Molecular Weight:
    175.2
    Specification Sheet SDS

  • 3,5-Dichloropyridazine

    Purity:
    ≥ 98%
    Catalog Number:
    31470
    CAS Number:
    1837-55-4
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD10698048
    Molecular Formula:
    C4H2Cl2N2
    Molecular Weight:
    148.98
    SDS

  • 2-Bromothiazole-5-carboxylic acid ethyl ester

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Ethyl 2-bromothiazole-5-carboxylate
    Catalog Number:
    31450
    CAS Number:
    41731-83-3
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00463837
    Molecular Formula:
    C6H6BrNO2S
    Molecular Weight:
    236.08
    Specification Sheet SDS

  • 2-Butyl-5-chloro-1H-imidazole-4-carboxaldehyde

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    2-Butyl-4-chloro-5-formylimidazole
    Hazmat
    Catalog Number:
    31423
    CAS Number:
    83857-96-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD01934396
    Molecular Formula:
    C8H11ClN2O
    Molecular Weight:
    186.64
    Specification Sheet SDS

  • N-Benzylmaleimide

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Hazmat
    Catalog Number:
    31376
    CAS Number:
    1631-26-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00014540
    Molecular Formula:
    C11H9NO2
    Molecular Weight:
    187.2
    Specification Sheet SDS

  • 2,4-Dichlorothieno[3,2-d]pyrimidine

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    31350
    CAS Number:
    16234-14-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD08448158
    Molecular Formula:
    C6H2Cl2N2S
    Molecular Weight:
    205.06
    Specification Sheet SDS

  • 2,3-Dihydroisoindol-1-one

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1-Isoindolinone
    Catalog Number:
    31367
    CAS Number:
    480-91-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03085939
    Molecular Formula:
    C8H7NO
    Molecular Weight:
    133.15
    Specification Sheet SDS

  • 8-Quinolinesulfonyl chloride

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Quinoline-8-sulfonyl chloride
    Hazmat
    Catalog Number:
    31291
    CAS Number:
    18704-37-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00006808
    Molecular Formula:
    C9H6ClNO2S
    Molecular Weight:
    227.67
    Specification Sheet SDS

  • 2-Oxazolidinone

    Purity:
    ≥ 99% (GC)
    Synonym:
    2-Oxazolidone
    Catalog Number:
    31325
    CAS Number:
    497-25-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005268
    Molecular Formula:
    C3H5NO2
    Molecular Weight:
    87.08
    Specification Sheet SDS

  • 1-(Cyclohexylcarbonyl)piperazine

    Purity:
    ≥ 97%(GC)
    Synonym:
    Cyclohexyl-1-piperazinylmethanone
    Catalog Number:
    31347
    CAS Number:
    27561-62-2
    Purity Limit:
    ≥ 97%(GC)
    MDL NO:
    MFCD06798113
    Molecular Formula:
    C11H20N2O
    Molecular Weight:
    196.3
    SDS

  • O-(Tetrahydropyran-2-yl)hydroxylamine

    Purity:
    ≥ 99% (GC)
    Synonym:
    O-(Tetrahydro-2H-pyran-2-yl)hydroxylamine
    Catalog Number:
    31337
    CAS Number:
    6723-30-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD01321374
    Molecular Formula:
    C5H11NO2
    Molecular Weight:
    117.15
    Specification Sheet SDS

  • N-(Carbobenzoxy)-1H-pyrazole-1-carboxamidine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-1H-pyrazole-1-carboxamidine
    Catalog Number:
    31242
    CAS Number:
    152120-62-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00274657
    Molecular Formula:
    C12H12N4O2
    Molecular Weight:
    244.08
    Specification Sheet SDS

  • 6-Chloropyridine-3-carboxaldehyde

    Purity:
    ≥ 98% (NMR)
    Synonym:
    2-Chloro-5-pyridinecarboxaldehyde
    Catalog Number:
    31273
    CAS Number:
    23100-12-1
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD03095223
    Molecular Formula:
    C6H4ClNO
    Molecular Weight:
    141.56
    Specification Sheet SDS

  • 6-Bromo-3-pyridinecarboxaldehyde

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-Bromopyridine-5-carboxaldehyde
    Catalog Number:
    31251
    CAS Number:
    149806-06-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD04115419
    Molecular Formula:
    C6H4BrNO
    Molecular Weight:
    186.01
    Specification Sheet SDS

  • Ethyl 1,3-dimethyl-1H-pyrazole-5-carboxylate

    Purity:
    ≥ 98%(GC)
    Catalog Number:
    31266
    CAS Number:
    5744-40-1
    Purity Limit:
    ≥ 98%(GC)
    MDL NO:
    MFCD00233452
    Molecular Formula:
    C8H12N2O2
    Molecular Weight:
    168.19
    SDS

  • 5-Bromoisoindolin-1-one

    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    5-Bromo-2,3-dihydro-1H-isoindol-1-one
    Catalog Number:
    31315
    CAS Number:
    552330-86-6
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD09701292
    Molecular Formula:
    C8H6BrNO
    Molecular Weight:
    212.05
    Specification Sheet SDS

  • N-Boc-imidazole

    Purity:
    ≥ 99% (GC)
    Synonym:
    1-(tert-Butoxycarbonyl)imidazole
    Catalog Number:
    31296
    CAS Number:
    49761-82-2
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00014497
    Molecular Formula:
    C8H12N2O2
    Molecular Weight:
    168.19
    Specification Sheet SDS

  • 1-tert-Butyl 3-ethyl 4-oxopyrrolidine-1,3-dicarboxylate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Ethyl N-Boc-4-oxopyrrolidine-3-carboxylate
    Catalog Number:
    31314
    CAS Number:
    146256-98-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06656201
    Molecular Formula:
    C12H19NO5
    Molecular Weight:
    257.28
    Specification Sheet SDS

  • 6-Hydroxy-3-coumaranone

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    6-Hydroxy-2H-benzofuran-3-one
    Catalog Number:
    31269
    CAS Number:
    6272-26-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00068174
    Molecular Formula:
    C8H6O3
    Molecular Weight:
    150.13
    Specification Sheet SDS
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