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Heterocyclic Building Blocks

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  • Isonipecotamide

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Piperidinecarboxamide
    Catalog Number:
    43411
    CAS Number:
    39546-32-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00038012
    Molecular Formula:
    C6H12N2O
    Molecular Weight:
    128.18
    Specification Sheet SDS

  • 1-(2-Thiazolyl)piperazine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(1-Piperazinyl)thiazole
    Catalog Number:
    43398
    CAS Number:
    42270-37-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00778419
    Molecular Formula:
    C7H11N3S
    Molecular Weight:
    169.25
    Specification Sheet SDS

  • Methyl pipecolinate hydrochloride

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    Pipecolinic acid methyl ester hydrochloride
    Catalog Number:
    43408
    CAS Number:
    32559-18-5
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD22123553
    Molecular Formula:
    C7H13NO2·HCl
    Molecular Weight:
    179.64
    Specification Sheet SDS

  • 1-(m-Tolyl)piperazine

    Hazmat
    Purity:
    ≥ 95% (GC)
    Synonym:
    1-(3-Methylphenyl)piperazine
    Hazmat
    Catalog Number:
    43392
    CAS Number:
    41186-03-2
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00040734
    Molecular Formula:
    C11H16N2
    Molecular Weight:
    176.26
    Specification Sheet SDS

  • cis-2,6-Dimethylpiperidine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    cis-Hexahydro-2,6-lutidine
    Hazmat
    Catalog Number:
    43400
    CAS Number:
    766-17-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00066304
    Molecular Formula:
    C7H15N
    Molecular Weight:
    113.2
    Specification Sheet SDS

  • 2,2'-Bipiperidine

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    43417
    CAS Number:
    531-67-9
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD01572939
    Molecular Formula:
    C10H20N2
    Molecular Weight:
    168.28
    Specification Sheet SDS

  • Methyl (4-piperidyl)acetate hydrochloride

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    (4-Piperidyl)acetic acid methyl ester hydrochloride
    Catalog Number:
    43406
    CAS Number:
    81270-37-3
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD09261419
    Molecular Formula:
    C8H15NO2·HCl
    Molecular Weight:
    193.67
    Specification Sheet SDS

  • 4-Piperidineethanol

    Purity:
    ≥ 96% (GC)
    Synonym:
    4-(2-Hydroxyethyl)piperidine
    Catalog Number:
    43409
    CAS Number:
    622-26-4
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00006008
    Molecular Formula:
    C7H15NO
    Molecular Weight:
    129.2
    Specification Sheet SDS

  • Methyl 1-(tert-butoxycarbonyl)-2-piperidinecarboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Methyl 1-Boc-2-piperidinecarboxylate
    Catalog Number:
    43407
    CAS Number:
    167423-93-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD06795925
    Molecular Formula:
    C12H21NO4
    Molecular Weight:
    243.3
    Specification Sheet SDS

  • 1-Phenylpiperidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43403
    CAS Number:
    4096-20-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00129777
    Molecular Formula:
    C11H15N
    Molecular Weight:
    161.25
    Specification Sheet SDS

  • 1-Methyl-2-piperidinemethanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Hydroxymethyl-1-methylpiperidine
    Catalog Number:
    43402
    CAS Number:
    20845-34-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006494
    Molecular Formula:
    C7H15NO
    Molecular Weight:
    129.2
    Specification Sheet SDS

  • 3-(Aminomethyl)piperidine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43401
    CAS Number:
    23099-21-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03427344
    Molecular Formula:
    C6H14N2
    Molecular Weight:
    114.19
    Specification Sheet SDS

  • Ethyl 4-piperidinecarboxylate

    Purity:
    ≥ 99% (GC)
    Synonym:
    Ethyl isonipecotate
    Catalog Number:
    43405
    CAS Number:
    1126-09-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006003
    Molecular Formula:
    C8H15NO2
    Molecular Weight:
    157.21
    Specification Sheet SDS

  • 4-(4-Methylpiperazinyl)benzoic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1-(4-Carboxyphenyl)-4-methylpiperazine
    Catalog Number:
    43391
    CAS Number:
    86620-62-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02682063
    Molecular Formula:
    C12H16N2O2
    Molecular Weight:
    220.27
    Specification Sheet SDS

  • 1-Acetyl-4-piperidinecarboxylic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Acetylisonipecotic acid
    Catalog Number:
    43404
    CAS Number:
    25503-90-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00023706
    Molecular Formula:
    C8H13NO3
    Molecular Weight:
    171.2
    Specification Sheet SDS

  • N-(2,6-Dimethylphenyl)-1-piperazineacetamide

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43394
    CAS Number:
    5294-61-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD06384973
    Molecular Formula:
    C14H21N3O
    Molecular Weight:
    247.34
    Specification Sheet SDS

  • 4-(4-Methyl-1-piperazinyl)aniline

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    1-(4-Aminophenyl)-4-methylpiperazine
    Hazmat
    Catalog Number:
    43379
    CAS Number:
    16153-81-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00172703
    Molecular Formula:
    C11H17N3
    Molecular Weight:
    191.28
    Specification Sheet SDS

  • N-(2-Aminoethyl)piperazine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    43399
    CAS Number:
    140-31-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005971
    Molecular Formula:
    C6H15N3
    Molecular Weight:
    129.21
    Specification Sheet SDS

  • 1-Methyl-4-[1-(4-piperidyl)-4-piperidyl]piperazine

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Methyl-4-(1,4'-bipiperidin-4-yl)piperazine
    Catalog Number:
    43380
    CAS Number:
    1629218-99-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD20257913
    Molecular Formula:
    C15H30N4
    Molecular Weight:
    266.43
    Specification Sheet SDS

  • 1-Methyl-3-phenylpiperazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43397
    CAS Number:
    5271-27-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03411603
    Molecular Formula:
    C11H16N2
    Molecular Weight:
    176.26
    Specification Sheet SDS

  • 1-(4-Methoxyphenyl)piperazine dihydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-(1-Piperazinyl)anisole dihydrochloride
    Catalog Number:
    43377
    CAS Number:
    38869-47-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00012767
    Molecular Formula:
    C11H16N2O·2HCl
    Molecular Weight:
    265.18
    Specification Sheet SDS

  • 5-(4-Methylpiperazin-1-yl)pyridin-2-amine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Methyl-4-(6-aminopyridin-3-yl)piperazine
    Hazmat
    Catalog Number:
    43396
    CAS Number:
    571189-49-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD10009563
    Molecular Formula:
    C10H16N4
    Molecular Weight:
    192.27
    Specification Sheet SDS

  • cis-2,6-Dimethylpiperazine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43386
    CAS Number:
    21655-48-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005956
    Molecular Formula:
    C6H14N2
    Molecular Weight:
    114.19
    Specification Sheet SDS

  • 1-(Tetrahydro-2-furoyl)piperazine

    Purity:
    ≥ 97% (GC)
    Synonym:
    1-[(Tetrahydrofuran-2-yl)carbonyl]piperazine
    Catalog Number:
    43393
    CAS Number:
    63074-07-7
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00190247
    Molecular Formula:
    C9H16N2O2
    Molecular Weight:
    184.24
    Specification Sheet SDS

  • 1-(o-Tolyl)piperazine hydrochloride

    Purity:
    ≥ 97% (Assay by titration)
    Synonym:
    1-(o-Tolyl)piperazine hydrochloride
    Catalog Number:
    43390
    CAS Number:
    95356-15-3
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00039030
    Molecular Formula:
    C11H16N2·HCl
    Molecular Weight:
    212.72
    Specification Sheet SDS

  • 1-(p-Tolyl)piperazine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    1-(4-Methylphenyl)piperazine
    Hazmat
    Catalog Number:
    43389
    CAS Number:
    39593-08-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00040737
    Molecular Formula:
    C11H16N2
    Molecular Weight:
    176.26
    Specification Sheet SDS

  • 1-(o-Tolyl)piperazine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    1-(2-Methylphenyl)piperazine
    Hazmat
    Catalog Number:
    43388
    CAS Number:
    39512-51-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00040729
    Molecular Formula:
    C11H16N2
    Molecular Weight:
    176.26
    Specification Sheet SDS

  • 3-(4-Methyl-1-piperazinyl)aniline

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    3-(4-Methyl-1-piperazinyl)aniline
    Hazmat
    Catalog Number:
    43373
    CAS Number:
    148546-99-0
    Purity Limit:
    ≥ 98% (GC)
    Molecular Formula:
    C11H17N3
    Molecular Weight:
    191.28
    Specification Sheet SDS

  • 2-(1-Piperazinyl)benzonitrile

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    1-(2-Cyanophenyl)piperazine
    Hazmat
    Catalog Number:
    43374
    CAS Number:
    111373-03-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00040793
    Molecular Formula:
    C11H13N3
    Molecular Weight:
    187.25
    Specification Sheet SDS

  • 1-(3-Methoxyphenyl)piperazine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    3-(1-Piperazinyl)anisole
    Hazmat
    Catalog Number:
    43383
    CAS Number:
    16015-71-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00040733
    Molecular Formula:
    C11H16N2O
    Molecular Weight:
    192.26
    Specification Sheet SDS

  • 1-Formylpiperazine

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Piperazinecarboxaldehyde
    Catalog Number:
    43375
    CAS Number:
    7755-92-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005963
    Molecular Formula:
    C5H10N2O
    Molecular Weight:
    114.15
    Specification Sheet SDS

  • 1-Methylpiperazine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43385
    CAS Number:
    109-01-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005966
    Molecular Formula:
    C5H12N2
    Molecular Weight:
    100.17
    Specification Sheet SDS

  • 1,4-Di(2-pyridyl)piperazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43395
    CAS Number:
    64728-49-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00230326
    Molecular Formula:
    C14H16N4
    Molecular Weight:
    240.31
    Specification Sheet SDS

  • 1-(2-Methoxyethyl)piperazine

    Purity:
    ≥ 98% (GC)
    Synonym:
    Methyl 2-(1-Piperazinyl)ethyl ether
    Catalog Number:
    43378
    CAS Number:
    13484-40-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00191214
    Molecular Formula:
    C7H16N2O
    Molecular Weight:
    144.22
    Specification Sheet SDS

  • 1-(2,5-Dimethylphenyl)piperazine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43381
    CAS Number:
    1013-25-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00038378
    Molecular Formula:
    C12H18N2
    Molecular Weight:
    190.29
    Specification Sheet SDS

  • 4-(1-Piperazinyl)benzonitrile

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-(4-Cyanophenyl)piperazine
    Catalog Number:
    43358
    CAS Number:
    68104-63-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01320890
    Molecular Formula:
    C11H13N3
    Molecular Weight:
    187.25
    Specification Sheet SDS

  • 1-(4-Hydroxyphenyl)piperazine

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-(1-Piperazinyl)phenol
    Catalog Number:
    43359
    CAS Number:
    56621-48-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00066156
    Molecular Formula:
    C10H14N2O
    Molecular Weight:
    178.24
    Specification Sheet SDS

  • Piperazine DL-malate

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    43357
    CAS Number:
    14852-14-3
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00060185
    Molecular Formula:
    C4H10N2·C4H6O5
    Molecular Weight:
    220.23
    Specification Sheet SDS

  • 1-(Cyclopropylcarbonyl)piperazine hydrochloride

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    43372
    CAS Number:
    1021298-67-8
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD03428576
    Molecular Formula:
    C8H14N2O·HCl
    Molecular Weight:
    190.67
    Specification Sheet SDS

  • N-(m-Tolyl)piperazine dihydrochloride

    Purity:
    ≥ 96% (Assay by titration)
    Catalog Number:
    43384
    CAS Number:
    13078-13-2
    Purity Limit:
    ≥ 96% (Assay by titration)
    MDL NO:
    MFCD00035284
    Molecular Formula:
    C11H16N2·2HCl
    Molecular Weight:
    249.18
    Specification Sheet SDS

  • 1-(2-Aminoethyl)-4-methylpiperazine hydrochloride

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    2-(4-Methyl-1-piperazino)ethylamine hydrochloride
    Catalog Number:
    43371
    CAS Number:
    646051-17-4
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD20483879
    Molecular Formula:
    C7H17N3·xHCl
    Molecular Weight:
    179.69
    Specification Sheet SDS

  • 1-Acetylpiperazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43376
    CAS Number:
    13889-98-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00058676
    Molecular Formula:
    C6H12N2O
    Molecular Weight:
    128.18
    Specification Sheet SDS

  • 1-(2-Dimethylaminoethyl)-4-methylpiperazine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43382
    CAS Number:
    104-19-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00059773
    Molecular Formula:
    C9H21N3
    Molecular Weight:
    171.29
    Specification Sheet SDS

  • Piperazine adipate

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    43366
    CAS Number:
    142-88-1
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00050650
    Molecular Formula:
    C4H10N2·C6H10O4
    Molecular Weight:
    232.28
    Specification Sheet SDS

  • Piperazine citrate hydrate

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    43368
    CAS Number:
    144-29-6
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00038961
    Molecular Formula:
    C12H30N6·C12H16O14·xH2O
    Molecular Weight:
    642.66
    Specification Sheet SDS

  • N,N'-Dimethylpiperazine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43370
    CAS Number:
    106-58-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006156
    Molecular Formula:
    C6H14N2
    Molecular Weight:
    114.19
    Specification Sheet SDS

  • 1-Propylpiperazine dihydrobromide

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    43367
    CAS Number:
    64262-23-3
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00051992
    Molecular Formula:
    C7H16N2·2HBr
    Molecular Weight:
    290.04
    Specification Sheet SDS

  • 1-(2-Nitrophenyl)piperazine

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Nitro-2-(1-piperazinyl)benzene
    Catalog Number:
    43361
    CAS Number:
    59084-06-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00040728
    Molecular Formula:
    C10H13N3O2
    Molecular Weight:
    207.23
    Specification Sheet SDS

  • N,N-Diacetylglycine anhydride

    Purity:
    ≥ 98% (GC)
    Synonym:
    1,4-Diacetyl-2,5-diketopiperazine
    Catalog Number:
    43343
    CAS Number:
    3027-05-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00059789
    Molecular Formula:
    C8H10N2O4
    Molecular Weight:
    198.18
    Specification Sheet SDS

  • 2-Piperazinecarboxylic acid dihydrochloride

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    43362
    CAS Number:
    3022-15-9
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00044803
    Molecular Formula:
    C5H10N2O2·2HCl
    Molecular Weight:
    203.06
    Specification Sheet SDS
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