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Heterocyclic Building Blocks

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  • 6-Acetoxy-7-methoxy-3H-quinazolin-4-one

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    6-Acetoxy-7-methoxy-4(3H-quinazolinone
    Catalog Number:
    43885
    CAS Number:
    179688-53-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD09951978
    Molecular Formula:
    C11H10N2O4
    Molecular Weight:
    234.21
    Specification Sheet SDS

  • 2-Mercapto-4(3H)-quinazolinone

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Thio-4(3H)-quinazolinone
    Catalog Number:
    43880
    CAS Number:
    13906-09-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006885
    Molecular Formula:
    C8H6N2OS
    Molecular Weight:
    178.21
    Specification Sheet SDS

  • 4-Hydroxyquinazoline

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    4-Quinazolinol
    Catalog Number:
    43881
    CAS Number:
    491-36-1
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00511302
    Molecular Formula:
    C8H6N2O
    Molecular Weight:
    146.15
    Specification Sheet SDS

  • Quinaldic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Quinolinecarboxylic acid
    Catalog Number:
    43878
    CAS Number:
    93-10-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006752
    Molecular Formula:
    C10H7NO2
    Molecular Weight:
    173.17
    Specification Sheet SDS

  • 2-Methyl-8-quinolinol

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    8-Hydroxy-2-methylquinoline
    Hazmat
    Catalog Number:
    43879
    CAS Number:
    826-81-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006765
    Molecular Formula:
    C10H9NO
    Molecular Weight:
    159.19
    Specification Sheet SDS

  • 1,2,3,4-Tetrahydroquinaldine

    Purity:
    ≥ 97% (GC)
    Synonym:
    2-Methyl-1,2,3,4-tetrahydroquinoline
    Catalog Number:
    43875
    CAS Number:
    1780-19-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00023886
    Molecular Formula:
    C10H13N
    Molecular Weight:
    147.22
    Specification Sheet SDS

  • N,N'-Dibenzyl-3-aminopyrrolidine

    Hazmat
    Purity:
    ≥ 97% (Assay by titration)
    Synonym:
    N-Benzyl-3-(benzylamino)pyrrolidine
    Hazmat
    Catalog Number:
    43862
    CAS Number:
    108963-20-8
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00059060
    Molecular Formula:
    C18H22N2
    Molecular Weight:
    266.39
    Specification Sheet SDS

  • N-(p-Toluenesulfonyl)-3-pyrroline

    Purity:
    ≥ 98% (GC)
    Synonym:
    N-Tosyl-3-pyrroline
    Catalog Number:
    43868
    CAS Number:
    16851-72-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01321189
    Molecular Formula:
    C11H13NO2S
    Molecular Weight:
    223.29
    Specification Sheet SDS

  • N-(tert-Butoxycarbonyl)-3-pyrroline

    Purity:
    ≥ 98% (GC)
    Synonym:
    N-Boc-3-pyrroline
    Catalog Number:
    43866
    CAS Number:
    73286-70-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01863512
    Molecular Formula:
    C9H15NO2
    Molecular Weight:
    169.22
    Specification Sheet SDS

  • Quinaldine ethiodide

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    1-Ethylquinaldinium iodide
    Catalog Number:
    43876
    CAS Number:
    606-55-3
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00031829
    Molecular Formula:
    C12H14IN
    Molecular Weight:
    299.16
    Specification Sheet SDS

  • 2-Amino-1-pyrroline hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3,4-Dihydro-2H-pyrrol-5-amine hydrochloride
    Catalog Number:
    43871
    CAS Number:
    7544-75-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00790772
    Molecular Formula:
    C4H8N2·HCl
    Molecular Weight:
    120.58
    Specification Sheet SDS

  • 2-Methyl-8-nitroquinoline

    Purity:
    ≥ 98% (GC)
    Synonym:
    8-Nitroquinaldine
    Catalog Number:
    43873
    CAS Number:
    881-07-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006764
    Molecular Formula:
    C10H8N2O2
    Molecular Weight:
    188.19
    Specification Sheet SDS

  • 1-Benzyl-3-(ethylamino)pyrrolidine

    Hazmat
    Purity:
    ≥ 96% (GC)
    Hazmat
    Catalog Number:
    43853
    CAS Number:
    115445-21-1
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00191305
    Molecular Formula:
    C13H20N2
    Molecular Weight:
    204.32
    Specification Sheet SDS

  • N-(4-Aminophenyl)maleimide

    Purity:
    ≥ 93% (Assay by titration)
    Catalog Number:
    43869
    CAS Number:
    29753-26-2
    Purity Limit:
    ≥ 93% (Assay by titration)
    MDL NO:
    MFCD00051191
    Molecular Formula:
    C10H8N2O2
    Molecular Weight:
    188.19
    Specification Sheet SDS

  • 1-tert-Butoxycarbonyl-3-cyano-4-pyrrolidone

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Boc-3-cyano-4-pyrrolidone
    Catalog Number:
    43860
    CAS Number:
    175463-32-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01318456
    Molecular Formula:
    C10H14N2O3
    Molecular Weight:
    210.23
    Specification Sheet SDS

  • 3-Ethyl-4-methyl-3-pyrrolin-2-one

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43867
    CAS Number:
    766-36-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00173861
    Molecular Formula:
    C7H11NO
    Molecular Weight:
    125.17
    Specification Sheet SDS

  • 3-Pyrroline hydrochloride

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    2,5-Dihydro-1H-pyrrole hydrochloride
    Hazmat
    Catalog Number:
    43865
    CAS Number:
    63468-63-3
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD09991892
    Molecular Formula:
    C4H7N·HCl
    Molecular Weight:
    105.57
    Specification Sheet SDS

  • 3-(tert-Butoxycarbonylamino)pyrrolidine

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-(Boc-amino)pyrrolidine
    Catalog Number:
    43858
    CAS Number:
    99724-19-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00059040
    Molecular Formula:
    C9H18N2O2
    Molecular Weight:
    186.26
    Specification Sheet SDS

  • 1-Methylpyrrolidine-2-thione

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    43861
    CAS Number:
    10441-57-3
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00966332
    Molecular Formula:
    C5H9NS
    Molecular Weight:
    115.19
    Specification Sheet SDS

  • tert-Butyl 6-oxa-3-azabicyclo[3.1.0]hexane-3-carboxylate

    Purity:
    ≥ 95% (GC)
    Synonym:
    6-Oxa-3-azabicyclo[3.1.0]hexane-3-carboxylic acid tert-butyl ester
    Catalog Number:
    43859
    CAS Number:
    114214-49-2
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD08691407
    Molecular Formula:
    C9H15NO3
    Molecular Weight:
    185.22
    Specification Sheet SDS

  • 3-Amino-1-(tert-butoxycarbonyl)pyrrolidine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Boc-3-aminopyrrolidine
    Hazmat
    Catalog Number:
    43856
    CAS Number:
    186550-13-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01861220
    Molecular Formula:
    C9H18N2O2
    Molecular Weight:
    186.26
    Specification Sheet SDS

  • 1-Acetylpyrrolidine

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    43855
    CAS Number:
    4030-18-6
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00014096
    Molecular Formula:
    C6H11NO
    Molecular Weight:
    113.16
    Specification Sheet SDS

  • 1-Benzyl-3-aminopyrrolidine

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    3-Amino-1-benzylpyrrolidine
    Hazmat
    Catalog Number:
    43846
    CAS Number:
    18471-40-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00059036
    Molecular Formula:
    C11H16N2
    Molecular Weight:
    176.26
    Specification Sheet SDS

  • 1-Cyclohexyl-2-pyrrolidone

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    43863
    CAS Number:
    6837-24-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00003191
    Molecular Formula:
    C10H17NO
    Molecular Weight:
    167.25
    Specification Sheet SDS

  • 1-Benzyl-3-pyrrolidinol

    Hazmat
    Purity:
    ≥ 96% (GC)
    Hazmat
    Catalog Number:
    43857
    CAS Number:
    775-15-5
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00012132
    Molecular Formula:
    C11H15NO
    Molecular Weight:
    177.25
    Specification Sheet SDS

  • 4-[(1-Pyrrolidinylsulfonyl)methyl]aniline

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    1-[(4-Aminobenzyl)sulfonyl]pyrrolidine
    Catalog Number:
    43850
    CAS Number:
    334981-10-1
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD06795500
    Molecular Formula:
    C11H16N2O2S
    Molecular Weight:
    240.32
    Specification Sheet SDS

  • 1-(3-Cyanopropyl)pyrrolidine

    Purity:
    ≥ 95% (GC)
    Synonym:
    4-Pyrrolidinobutyronitrile
    Catalog Number:
    43837
    CAS Number:
    35543-25-0
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00003183
    Molecular Formula:
    C8H14N2
    Molecular Weight:
    138.21
    Specification Sheet SDS

  • 3-(Dimethylamino)pyrrolidine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43845
    CAS Number:
    69478-75-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01569246
    Molecular Formula:
    C6H14N2
    Molecular Weight:
    114.19
    Specification Sheet SDS

  • 2-(Aminomethyl)-1-ethylpyrrolidine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43854
    CAS Number:
    26116-12-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00003178
    Molecular Formula:
    C7H16N2
    Molecular Weight:
    128.22
    Specification Sheet SDS

  • 4-Hydroxy-2-pyrrolidone

    Purity:
    ≥ 95% (GC)
    Synonym:
    4-Hydroxy-2-pyrrolidinone
    Catalog Number:
    43836
    CAS Number:
    25747-41-5
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD01687254
    Molecular Formula:
    C4H7NO2
    Molecular Weight:
    101.11
    Specification Sheet SDS

  • 1-Benzyl-5-oxopyrrolidine-3-carboxylic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Benzyl-4-carboxy-2-pyrrolidinone
    Catalog Number:
    43852
    CAS Number:
    5733-86-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00085749
    Molecular Formula:
    C12H13NO3
    Molecular Weight:
    219.24
    Specification Sheet SDS

  • N,N-Dimethyl-3-aminopyrrolidine

    Hazmat
    Purity:
    ≥ 96% (GC)
    Hazmat
    Catalog Number:
    43828
    CAS Number:
    64021-83-6
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00059061
    Molecular Formula:
    C6H14N2
    Molecular Weight:
    114.19
    Specification Sheet SDS

  • 1-Benzyl-3-(dimethylamino)pyrrolidine

    Hazmat
    Purity:
    ≥ 97% (GC)
    Hazmat
    Catalog Number:
    43851
    CAS Number:
    69478-77-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00191304
    Molecular Formula:
    C13H20N2
    Molecular Weight:
    204.32
    Specification Sheet SDS

  • 3-(Diethylamino)pyrrolidine

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Hazmat
    Catalog Number:
    43833
    CAS Number:
    20984-81-0
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD02184351
    Molecular Formula:
    C8H18N2
    Molecular Weight:
    142.25
    Specification Sheet SDS

  • 3-(Ethylamino)pyrrolidine

    Hazmat
    Purity:
    ≥ 97% (GC)
    Hazmat
    Catalog Number:
    43847
    CAS Number:
    111390-22-8
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00191357
    Molecular Formula:
    C6H14N2
    Molecular Weight:
    114.19
    Specification Sheet SDS

  • 3-Acetamidopyrrolidine

    Purity:
    ≥ 97% (Assay by titration)
    Catalog Number:
    43844
    CAS Number:
    79286-74-1
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00059019
    Molecular Formula:
    C6H12N2O
    Molecular Weight:
    128.18
    Specification Sheet SDS

  • Methyl 2-oxo-1-pyrrolidineacetate

    Purity:
    ≥ 97% (GC)
    Synonym:
    2-Oxo-1-pyrrolidineacetic acid methyl ester
    Catalog Number:
    43835
    CAS Number:
    59776-88-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00003198
    Molecular Formula:
    C7H11NO3
    Molecular Weight:
    157.17
    Specification Sheet SDS

  • 4-Phenyl-2-pyrrolidone

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Phenylpyrrolidin-2-one
    Catalog Number:
    43842
    CAS Number:
    1198-97-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01687226
    Molecular Formula:
    C10H11NO
    Molecular Weight:
    161.2
    Specification Sheet SDS

  • Methyl 1-(tert-butoxycarbonyl)-3-pyrrolidinecarboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Methyl 1-Boc-3-pyrrolidinecarboxylate
    Catalog Number:
    43849
    CAS Number:
    122684-33-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04038683
    Molecular Formula:
    C11H19NO4
    Molecular Weight:
    229.28
    Specification Sheet SDS

  • Allyl 1-pyrrolidinecarbodithioate

    Purity:
    ≥ 95% (GC)
    Synonym:
    Pyrrolidinodithiocarbamic acid allyl ester
    Catalog Number:
    43843
    CAS Number:
    701-13-3
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00135118
    Molecular Formula:
    C8H13NS2
    Molecular Weight:
    187.32
    Specification Sheet SDS

  • 3-(Methylamino)pyrrolidine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43834
    CAS Number:
    83030-08-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00191460
    Molecular Formula:
    C5H12N2
    Molecular Weight:
    100.17
    Specification Sheet SDS

  • 1-Carbobenzoxy-3-pyrrolidone

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Cbz-3-pyrrolidinone
    Catalog Number:
    43848
    CAS Number:
    130312-02-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03001711
    Molecular Formula:
    C12H13NO3
    Molecular Weight:
    219.24
    Specification Sheet SDS

  • 1-n-Octyl-2-pyrrolidone

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43841
    CAS Number:
    2687-94-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00074965
    Molecular Formula:
    C12H23NO
    Molecular Weight:
    197.32
    Specification Sheet SDS

  • tert-Butyl 3-carbamoylpyrrolidine-1-carboxylate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-Carbamoylpyrrolidine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    43827
    CAS Number:
    122684-34-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD04116210
    Molecular Formula:
    C10H18N2O3
    Molecular Weight:
    214.27
    Specification Sheet SDS

  • 3-(N-Acetyl-N-ethylamino)pyrrolidine

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    43839
    CAS Number:
    115445-29-9
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00059021
    Molecular Formula:
    C8H16N2O
    Molecular Weight:
    156.23
    Specification Sheet SDS

  • Ethyl 4-methyl-2-pyrrolecarboxylate

    Purity:
    ≥ 97% (GC)
    Synonym:
    4-Methyl-2-pyrrolecarboxylic acid ethyl ester
    Catalog Number:
    43797
    CAS Number:
    40611-85-6
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00191668
    Molecular Formula:
    C8H11NO2
    Molecular Weight:
    153.18
    Specification Sheet SDS

  • 1-tert-Butoxycarbonylpyrrolidine

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Boc-pyrrolidine
    Catalog Number:
    43825
    CAS Number:
    86953-79-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00216581
    Molecular Formula:
    C9H17NO2
    Molecular Weight:
    171.24
    Specification Sheet SDS

  • 2-(2-Hydroxyethyl)-1-methylpyrrolidine

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Methyl-2-pyrrolidineethanol
    Catalog Number:
    43840
    CAS Number:
    67004-64-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00003174
    Molecular Formula:
    C7H15NO
    Molecular Weight:
    129.2
    Specification Sheet SDS

  • 3-Aminopyrrolidine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    43824
    CAS Number:
    79286-79-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00059018
    Molecular Formula:
    C4H10N2
    Molecular Weight:
    86.14
    Specification Sheet SDS

  • 1-Methylpyrrolidine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43838
    CAS Number:
    120-94-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00003173
    Molecular Formula:
    C5H11N
    Molecular Weight:
    85.15
    Specification Sheet SDS
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