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Heterocyclic Building Blocks

3724

  • 4-(4-Methylpiperazino)benzaldehyde

    Purity:
    ≥ 99%
    Synonym:
    1-(4-Formylphenyl)-4-methylpiperazine
    Catalog Number:
    17063
    CAS Number:
    27913-99-1
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00452233
    Molecular Formula:
    C12H16N2O
    Molecular Weight:
    204.27
    Specification Sheet SDS

  • 1-Cyclohexylpiperazine

    Purity:
    ≥ 95% (HPLC)
    Catalog Number:
    17050
    CAS Number:
    17766-28-8
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00044809
    Molecular Formula:
    C10H20N2
    Molecular Weight:
    168.28
    Specification Sheet SDS

  • 1-Methyl-1H-pyrazole-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    17051
    CAS Number:
    25016-20-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00464254
    Molecular Formula:
    C5H6N2O2
    Molecular Weight:
    126.11
    Specification Sheet SDS

  • 1-Boc-4-methylaminopiperidine

    Purity:
    ≥ 98%
    Synonym:
    4-Methylaminopiperidine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    17041
    CAS Number:
    147539-41-1
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD02259411
    Molecular Formula:
    C11H22N2O2
    Molecular Weight:
    214.31
    Specification Sheet SDS

  • 2-Amino-3-chloropyridine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-Chloropyridin-2-ylamine
    Catalog Number:
    17023
    CAS Number:
    39620-04-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03541052
    Molecular Formula:
    C5H5ClN2
    Molecular Weight:
    128.56
    Specification Sheet SDS

  • 2-Bromo-5-cyanopyridine

    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    5-Cyano-2-bromopyridine
    Catalog Number:
    17045
    CAS Number:
    139585-70-9
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD00234141
    Molecular Formula:
    C6H3BrN2
    Molecular Weight:
    183.01
    Specification Sheet SDS

  • 4-Bromo-2-methylpyridine

    Purity:
    ≥ 98%
    Synonym:
    2-Methyl-4-bromopyridine
    Catalog Number:
    17038
    CAS Number:
    22282-99-1
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD03788196
    Molecular Formula:
    C6H6BrN
    Molecular Weight:
    172.02
    Specification Sheet SDS

  • 3-Bromo-2-methylpyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Methyl-3-bromopyridine
    Catalog Number:
    17037
    CAS Number:
    38749-79-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00191224
    Molecular Formula:
    C6H6BrN
    Molecular Weight:
    172.02
    Specification Sheet SDS

  • 3-Bromo-1,3,4,5-tetrahydro-2H-1-benzazepin-2-one

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    A-Bromobenzocaprolactam
    Catalog Number:
    17036
    CAS Number:
    86499-96-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03085918
    Molecular Formula:
    C10H10BrNO
    Molecular Weight:
    240.1
    Specification Sheet SDS

  • 2-Methyl-2H-pyrazole-3-carboxylic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    1-Methyl-1H-pyrazole-5-carboxylic acid
    Catalog Number:
    17033
    CAS Number:
    16034-46-1
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00464253
    Molecular Formula:
    C5H6N2O2
    Molecular Weight:
    126.11
    Specification Sheet SDS

  • 3-Amino-4-chloropyridine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4-Chloro-3-amino pyridine
    Catalog Number:
    17040
    CAS Number:
    20511-15-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00235124
    Molecular Formula:
    C5H5ClN2
    Molecular Weight:
    128.56
    Specification Sheet SDS

  • Thiazole-4-carboxylic acid

    Purity:
    ≥ 97%
    Synonym:
    1,3-Thiazole-4-carboxylic acid
    Catalog Number:
    17027
    CAS Number:
    3973-08-8
    Purity Limit:
    ≥ 97%
    MDL NO:
    MFCD00623589
    Molecular Formula:
    C4H3NO2S
    Molecular Weight:
    129.14
    Specification Sheet SDS

  • tert-Butyl 3-(hydroxymethyl)tetrahydro-1(2H)pyridinecarboxylate

    Purity:
    ≥ 98%
    Synonym:
    DL-N-Boc-3-piperidine methanol
    Catalog Number:
    17014
    CAS Number:
    116574-71-1
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD03094733
    Molecular Formula:
    C11H21NO3
    Molecular Weight:
    215.29
    Specification Sheet SDS

  • 6,7-Dimethoxy-3H-quinazolin-4-one

    Purity:
    ≥ 96% (Assay on anhydrous basis)
    Synonym:
    6,7-Dimethoxy-4(3H)-quinazolinone
    Catalog Number:
    17024
    CAS Number:
    13794-72-4
    Purity Limit:
    ≥ 96% (Assay on anhydrous basis)
    MDL NO:
    MFCD01570147
    Molecular Formula:
    C10H10N2O3
    Molecular Weight:
    206.2
    Specification Sheet SDS

  • 3-Amino-2-bromopyridine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Bromo-3-pyridinamine
    Hazmat
    Catalog Number:
    17019
    CAS Number:
    39856-58-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00234064
    Molecular Formula:
    C5H5BrN2
    Molecular Weight:
    173.01
    Specification Sheet SDS

  • 2,3-Dihydrobenzo[b]furan-5-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,3-Dihydrobenzo[b]furan-5-carbaldehyde
    Catalog Number:
    17017
    CAS Number:
    55745-70-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00068058
    Molecular Formula:
    C9H8O2
    Molecular Weight:
    148.16
    Specification Sheet SDS

  • 2,3-Dihydro-1,4-benzodioxine-6-carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3,4-(Ethylenedioxy)benzoic acid
    Catalog Number:
    17009
    CAS Number:
    4442-54-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00463509
    Molecular Formula:
    C9H8O4
    Molecular Weight:
    180.16
    Specification Sheet SDS

  • 1-(4-Pyridyl)piperazine

    Purity:
    ≥ 97% (Assay)
    Synonym:
    4-(1-Piperazino)pyridine
    Catalog Number:
    17008
    CAS Number:
    1008-91-9
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD00040745
    Molecular Formula:
    C9H13N3
    Molecular Weight:
    163.22
    Specification Sheet SDS

  • 1-Cyclopentylpiperazine

    Purity:
    ≥ 98%
    Synonym:
    4-Cyclopentylpiperazine
    Catalog Number:
    17006
    CAS Number:
    21043-40-3
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00168029
    Molecular Formula:
    C9H18N2
    Molecular Weight:
    154.26
    Specification Sheet SDS

  • 6-Bromo-2-pyridine carboxaldehyde

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Bromo-6-formylpyridine
    Catalog Number:
    16982
    CAS Number:
    34160-40-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02683546
    Molecular Formula:
    C6H4BrNO
    Molecular Weight:
    186.01
    Specification Sheet SDS

  • 2-Chloro-4,6-dimethylpyrimidine

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    16985
    CAS Number:
    4472-44-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00023199
    Molecular Formula:
    C6H7ClN2
    Molecular Weight:
    142.59
    Specification Sheet SDS

  • 1-Aminohydantoin hydrochloride

    Purity:
    ≥ 99% (Assay)
    Synonym:
    1-Amino-2,4-imidazolidinedione hydrochloride
    Catalog Number:
    16997
    CAS Number:
    2827-56-7
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD02181047
    Molecular Formula:
    C3H5N3O2·HCl
    Molecular Weight:
    151.55
    Specification Sheet SDS

  • 1-(2-Pyridyl)piperazine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(1-Piperazino)pyridine
    Catalog Number:
    16991
    CAS Number:
    34803-66-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006216
    Molecular Formula:
    C9H13N3
    Molecular Weight:
    163.22
    Specification Sheet SDS

  • N-Boc-4-piperidinemethanol

    Purity:
    ≥ 99% (GC)
    Synonym:
    1-N-Boc-4-hydroxymethyl-piperidine
    Catalog Number:
    16989
    CAS Number:
    123855-51-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD02094488
    Molecular Formula:
    C11H21NO3
    Molecular Weight:
    215.29
    Specification Sheet SDS

  • 7-Hydroxy-3,4-Dihydro-2(1H)-quinolinone

    Purity:
    98.5 - 101.5% (HPLC)
    Synonym:
    3,4-Dihydro-7-hydroxycarbostyril
    Catalog Number:
    16988
    CAS Number:
    22246-18-0
    Purity Limit:
    98.5 - 101.5% (HPLC)
    MDL NO:
    MFCD06410891
    Molecular Formula:
    C9H9NO2
    Molecular Weight:
    163.18
    Specification Sheet SDS

  • 1-Methyl-1H-pyrazole-4-carbaldehyde

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    16984
    CAS Number:
    25016-11-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00460465
    Molecular Formula:
    C5H6N2O
    Molecular Weight:
    110.12
    Specification Sheet SDS

  • 4-Amino-1-methylpiperidine

    Purity:
    ≥ 99% (GC)
    Synonym:
    1-Methyl-piperidin-4-ylamine
    Catalog Number:
    16986
    CAS Number:
    41838-46-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD01570549
    Molecular Formula:
    C6H14N2
    Molecular Weight:
    114.19
    Specification Sheet SDS

  • 5-Bromo-2-methylpyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Methyl-5-bromopyridine
    Catalog Number:
    16976
    CAS Number:
    3430-13-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00661170
    Molecular Formula:
    C6H6BrN
    Molecular Weight:
    172.02
    Specification Sheet SDS

  • 3-Amino-2-chloropyridine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-Chloro-3-aminopyridine
    Catalog Number:
    16971
    CAS Number:
    6298-19-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00006238
    Molecular Formula:
    C5H5ClN2
    Molecular Weight:
    128.56
    Specification Sheet SDS

  • 4-Amino-2-chloropyridine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-Chloro-4-aminopyridine
    Catalog Number:
    16972
    CAS Number:
    14432-12-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00060089
    Molecular Formula:
    C5H5ClN2
    Molecular Weight:
    128.56
    Specification Sheet SDS

  • N-Boc-3-pyrrolidinone

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Oxo-1-pyrrolidinecarboxylic acid 1,1-dimethylethyl ester
    Catalog Number:
    16511
    CAS Number:
    101385-93-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01631194
    Molecular Formula:
    C9H15NO3
    Molecular Weight:
    185.22
    Specification Sheet SDS

  • Boc-homopiperazine

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    Boc-HomoPiz
    Catalog Number:
    16143
    CAS Number:
    112275-50-0
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00276987
    Molecular Formula:
    C10H20N2O2
    Molecular Weight:
    200.28
    Specification Sheet SDS

  • Boc-(R,S)-(3-aminomethyl)piperidine

    Purity:
    ≥ 96%
    Synonym:
    3-Aminomethyl-piperidine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    15025
    CAS Number:
    162167-97-7
    Purity Limit:
    ≥ 96%
    MDL NO:
    MFCD01317792
    Molecular Formula:
    C11H22N2O2
    Molecular Weight:
    214.3
    Specification Sheet SDS

  • 1-Boc-3-piperidone

    Purity:
    ≥ 98%
    Synonym:
    3-Oxo-piperidine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    14333
    CAS Number:
    98977-36-7
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01631193
    Molecular Formula:
    C10H17NO3
    Molecular Weight:
    199.22
    Specification Sheet SDS

  • 5'-O-(4,4'-dimethoxytrityl) thymidine (synthetic)

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    DMT-T (synthetic)
    Catalog Number:
    14096
    CAS Number:
    40615-39-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00010113
    Molecular Formula:
    C31H32N2O7
    Molecular Weight:
    544.61
    Specification Sheet SDS

  • 2-Thiophenemethanol

    Purity:
    ≥ 99% (GC)
    Synonym:
    2-(Hydroxymethyl)thiophene
    Catalog Number:
    14033
    CAS Number:
    636-72-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005454
    Molecular Formula:
    C5H6OS
    Molecular Weight:
    114.17
    Specification Sheet SDS

  • 2-Chloro-4,6-dimethoxy-1,3,5-triazine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    CDMT
    Catalog Number:
    12999
    CAS Number:
    3140-73-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00075607
    Molecular Formula:
    C5H6ClN3O2
    Molecular Weight:
    175.57
    Specification Sheet SDS

  • 3,4-Dihydro-2H-pyran-2-methanol

    Purity:
    ≥ 99% (GC)
    Synonym:
    3,4-Dihydro-2H-pyran-2-ylmethanol
    Catalog Number:
    12987
    CAS Number:
    3749-36-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00051507
    Molecular Formula:
    C6H10O2
    Molecular Weight:
    114.14
    Specification Sheet SDS

  • L-β-Homoproline hydrochloride

    Purity:
    ≥ 98%
    Synonym:
    L-β-HomoPro-OH·HCl
    Catalog Number:
    12754
    CAS Number:
    53912-85-9
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD07363484
    Molecular Formula:
    C6H11NO2·HCl
    Molecular Weight:
    165.66
    Specification Sheet SDS

  • Sieber linker

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3-Hydroxy-xanthen-9-one
    Catalog Number:
    12651
    CAS Number:
    3722-51-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00604748
    Molecular Formula:
    C13H8O3
    Molecular Weight:
    212.2
    Specification Sheet SDS

  • 1-Boc-4-(aminomethyl)piperidine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Boc-4-(aminomethyl)piperidine
    Catalog Number:
    11811
    CAS Number:
    144222-22-0
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD01631214
    Molecular Formula:
    C11H22N2O2
    Molecular Weight:
    214.28
    Specification Sheet SDS

  • Acetyl-5-hydroxy-tryptamine

    Synonym:
    Acetyl-serotonine
    Catalog Number:
    11792
    CAS Number:
    1210-83-9
    MDL NO:
    MFCD00005656
    Molecular Formula:
    C12H14N2O2
    Molecular Weight:
    218.3
    SDS

  • Boc-(4-hydroxy)piperidine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    1-Boc-4-piperidinol
    Catalog Number:
    07364
    CAS Number:
    109384-19-2
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD01075174
    Molecular Formula:
    C10H19NO3
    Molecular Weight:
    201.27
    Specification Sheet SDS

  • Ethylenesulfate

    Purity:
    ≥ 99% (GC)
    Synonym:
    1,3,2-Dioxathiolane 2,2-dioxide
    Catalog Number:
    08037
    CAS Number:
    1072-53-3
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00221769
    Molecular Formula:
    C2H4O4S
    Molecular Weight:
    124.12
    Specification Sheet SDS

  • Boc-azetidine-3-carboxylic acid

    Purity:
    ≥ 98%
    Synonym:
    Azetidine-1,3-dicarboxylic acid 1-tert-butyl ester
    Catalog Number:
    07425
    CAS Number:
    142253-55-2
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01860897
    Molecular Formula:
    C9H15NO4
    Molecular Weight:
    201.22
    Specification Sheet SDS

  • Boc-(R,S)-3-hydroxypiperidine

    Synonym:
    1-Boc-3-piperidinol
    Catalog Number:
    07365
    CAS Number:
    85275-45-2
    MDL NO:
    MFCD02093938
    Molecular Formula:
    C10H19NO3
    Molecular Weight:
    201.27
    SDS

  • Azetidine-3-carboxylic acid

    Purity:
    > 97%
    Synonym:
    3-Carboxyazetidine
    Catalog Number:
    07009
    CAS Number:
    36476-78-5
    Purity Limit:
    > 97%
    MDL NO:
    MFCD00191763
    Molecular Formula:
    C4H7NO2
    Molecular Weight:
    101.11
    Specification Sheet SDS

  • 3-Picolyl chloride hydrochloride

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-(Chloromethyl)pyridine hydrochloride
    Hazmat
    Catalog Number:
    06928
    CAS Number:
    6959-48-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00012818
    Molecular Formula:
    C6H6NCl·HCl
    Molecular Weight:
    164.04
    Specification Sheet SDS

  • 4-Picolyl chloride hydrochloride

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    4-(Chloromethyl)pyridine hydrochloride
    Hazmat
    Catalog Number:
    06929
    CAS Number:
    1822-51-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00012826
    Molecular Formula:
    C6H6NCl·HCl
    Molecular Weight:
    164.04
    Specification Sheet SDS

  • DL-Nipecotic acid

    Purity:
    ≥ 98.5% (by perchloric acid ), ≥ 98.5% (by NaOH)
    Synonym:
    DL-Nip-OH
    Catalog Number:
    06902
    CAS Number:
    498-95-3
    Purity Limit:
    ≥ 98.5% (by perchloric acid ), ≥ 98.5% (by NaOH)
    MDL NO:
    MFCD00005992
    Molecular Formula:
    C6H11NO2
    Molecular Weight:
    129.16
    Specification Sheet SDS
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