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Building Blocks

8717
Sub Categories
Fluorinated Building Blocks 1834
Heterocyclic Building Blocks 3772
Non-Heterocyclic Building Blocks 3171

  • 1-Methylpyrrolidine-2-thione

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    43861
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    10441-57-3
    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-butylester
    Catalog Number:
    43859
    Purity Limit:
    ≥ 95% (GC)
    CAS Number:
    114214-49-2
    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
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    186550-13-0
    MDL NO:
    MFCD01861220
    Molecular Formula:
    C9H18N2O2
    Molecular Weight:
    186.26
    Specification Sheet SDS

  • 1-Benzyl-3-aminopyrrolidine

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

  • 1-Acetylpyrrolidine

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

  • 1-Cyclohexyl-2-pyrrolidone

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    43863
    Purity Limit:
    ≥ 99% (GC)
    CAS Number:
    6837-24-7
    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
    Purity Limit:
    ≥ 96% (GC)
    CAS Number:
    775-15-5
    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
    Purity Limit:
    ≥ 97% (HPLC)
    CAS Number:
    334981-10-1
    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
    Purity Limit:
    ≥ 95% (GC)
    CAS Number:
    35543-25-0
    MDL NO:
    MFCD00003183
    Molecular Formula:
    C8H14N2
    Molecular Weight:
    138.21
    Specification Sheet SDS

  • 3-(Dimethylamino)pyrrolidine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43845
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    69478-75-7
    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
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    26116-12-1
    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
    Purity Limit:
    ≥ 95% (GC)
    CAS Number:
    25747-41-5
    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
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    5733-86-8
    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
    Purity Limit:
    ≥ 96% (GC)
    CAS Number:
    64021-83-6
    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
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    69478-77-9
    MDL NO:
    MFCD00191304
    Molecular Formula:
    C13H20N2
    Molecular Weight:
    204.32
    Specification Sheet SDS

  • 3-Acetamidopyrrolidine

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

  • 3-(Ethylamino)pyrrolidine

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

  • 3-(Diethylamino)pyrrolidine

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

  • 4-Phenyl-2-pyrrolidone

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Phenylpyrrolidin-2-one
    Catalog Number:
    43842
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    1198-97-6
    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
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    122684-33-7
    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
    Purity Limit:
    ≥ 95% (GC)
    CAS Number:
    701-13-3
    MDL NO:
    MFCD00135118
    Molecular Formula:
    C8H13NS2
    Molecular Weight:
    187.32
    Specification Sheet SDS

  • Methyl 2-oxo-1-pyrrolidineacetate

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

  • 3-(Methylamino)pyrrolidine

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

  • 1-(2-Aminoethyl)pyrrolidine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43832
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    7154-73-6
    MDL NO:
    MFCD00003182
    Molecular Formula:
    C6H14N2
    Molecular Weight:
    114.19
    Specification Sheet SDS

  • 1-Carbobenzoxy-3-pyrrolidone

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Cbz-3-pyrrolidinone
    Catalog Number:
    43848
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    130312-02-6
    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
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    2687-94-7
    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-butylester
    Catalog Number:
    43827
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    122684-34-8
    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
    Purity Limit:
    ≥ 98% (Assay by titration)
    CAS Number:
    115445-29-9
    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
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    40611-85-6
    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
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    86953-79-9
    MDL NO:
    MFCD00216581
    Molecular Formula:
    C9H17NO2
    Molecular Weight:
    171.24
    Specification Sheet SDS

  • 3-Aminopyrrolidine

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

  • 1-Methylpyrrolidine

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

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

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

  • 1-Ethyl-3-pyrrolidinol

    Purity:
    ≥ 95% (GC)
    Synonym:
    1-Ethyl-3-hydroxypyrrolidine
    Catalog Number:
    43818
    Purity Limit:
    ≥ 95% (GC)
    CAS Number:
    30727-14-1
    MDL NO:
    MFCD00003179
    Molecular Formula:
    C6H13NO
    Molecular Weight:
    115.18
    Specification Sheet SDS

  • 1-Acetyl-2-pyrrolidone

    Purity:
    99 - 100% (GC)
    Catalog Number:
    43819
    Purity Limit:
    99 - 100% (GC)
    CAS Number:
    932-17-2
    MDL NO:
    MFCD00014101
    Molecular Formula:
    C6H9NO2
    Molecular Weight:
    127.14
    Specification Sheet SDS

  • 1-Benzyl-3-(methylamino)pyrrolidine

    Hazmat
    Purity:
    ≥ 96% (GC)
    Hazmat
    Catalog Number:
    43826
    Purity Limit:
    ≥ 96% (GC)
    CAS Number:
    96568-35-3
    MDL NO:
    MFCD00191308
    Molecular Formula:
    C12H18N2
    Molecular Weight:
    190.29
    Specification Sheet SDS

  • 3-Aminopyrrolidine dihydrochloride

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43831
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    103831-11-4
    MDL NO:
    MFCD00060176
    Molecular Formula:
    C4H10N2·2HCl
    Molecular Weight:
    159.05
    Specification Sheet SDS

  • 5-Methyl-2-pyrrolidone

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Methyl-2-pyrrolidinone
    Catalog Number:
    43830
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    108-27-0
    MDL NO:
    MFCD00005273
    Molecular Formula:
    C5H9NO
    Molecular Weight:
    99.13
    Specification Sheet SDS

  • Methyl 1-benzylpyrrolidine-3-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Benzylpyrrolidine-3-carboxylic acid methyl ester
    Catalog Number:
    43829
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    17012-21-4
    MDL NO:
    MFCD04038678
    Molecular Formula:
    C13H17NO2
    Molecular Weight:
    219.28
    Specification Sheet SDS

  • 1-Pyrrolidino-1-cyclohexene

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    1-(1-Cyclohexen-1-yl)pyrrolidine
    Hazmat
    Catalog Number:
    43816
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    1125-99-1
    MDL NO:
    MFCD00003163
    Molecular Formula:
    C10H17N
    Molecular Weight:
    151.25
    Specification Sheet SDS

  • 1-(2-Hydroxyethyl)-2-pyrrolidone

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43820
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    3445-11-2
    MDL NO:
    MFCD00014103
    Molecular Formula:
    C6H11NO2
    Molecular Weight:
    129.16
    Specification Sheet SDS

  • 3,6-Diphenyl-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione

    Purity:
    ≥ 98%
    Synonym:
    Pigment red 255
    Catalog Number:
    43800
    Purity Limit:
    ≥ 98%
    CAS Number:
    54660-00-3
    MDL NO:
    MFCD11870113
    Molecular Formula:
    C18H12N2O2
    Molecular Weight:
    288.31
    Specification Sheet SDS

  • 1-(tert-Butoxycarbonyl)-3-pyrrolidinol

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Boc-3-pyrrolidinol
    Hazmat
    Catalog Number:
    43815
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    103057-44-9
    MDL NO:
    MFCD04038535
    Molecular Formula:
    C9H17NO3
    Molecular Weight:
    187.24
    Specification Sheet SDS

  • 4,4-Pentamethylene-2-pyrrolidone

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Azaspiro[4.5]decan-2-one
    Catalog Number:
    43823
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    64744-50-9
    MDL NO:
    MFCD00177938
    Molecular Formula:
    C9H15NO
    Molecular Weight:
    153.23
    Specification Sheet SDS

  • Pyrrolidine-1-carbonitrile

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Cyanopyrrolidine
    Hazmat
    Catalog Number:
    43821
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    1530-88-7
    MDL NO:
    MFCD00003165
    Molecular Formula:
    C5H8N2
    Molecular Weight:
    96.13
    Specification Sheet SDS

  • 2-(2-Aminoethyl)-1-methylpyrrolidine

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    2-(1-Methyl-2-pyrrolidinyl)ethylamine
    Hazmat
    Catalog Number:
    43822
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    51387-90-7
    MDL NO:
    MFCD00003175
    Molecular Formula:
    C7H16N2
    Molecular Weight:
    128.22
    Specification Sheet SDS

  • 4-(1-Pyrrolidinyl)benzonitrile

    Hazmat
    Purity:
    ≥ 96% (GC)
    Synonym:
    1-(4-Cyanophenyl)pyrrolidine
    Hazmat
    Catalog Number:
    43817
    Purity Limit:
    ≥ 96% (GC)
    CAS Number:
    10282-30-1
    MDL NO:
    MFCD07368512
    Molecular Formula:
    C11H12N2
    Molecular Weight:
    172.23
    Specification Sheet SDS

  • N-(tert-Butoxycarbonyl)-DL-prolinol

    Purity:
    ≥ 98% (GC)
    Synonym:
    N-Boc-DL-prolinol
    Catalog Number:
    43814
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    170491-63-1
    MDL NO:
    MFCD01456556
    Molecular Formula:
    C10H19NO3
    Molecular Weight:
    201.27
    Specification Sheet SDS

  • 1-Isopropyl-3-pyrrolidinol

    Purity:
    ≥ 96% (GC)
    Synonym:
    1-Isopropyl-3-hydroxypyrrolidine
    Catalog Number:
    43805
    Purity Limit:
    ≥ 96% (GC)
    CAS Number:
    42729-56-6
    MDL NO:
    MFCD00191525
    Molecular Formula:
    C7H15NO
    Molecular Weight:
    129.2
    Specification Sheet SDS

  • 3-(N-tert-Butoxycarbonyl-N-methylamino)pyrrolidine

    Purity:
    ≥ 96% (GC)
    Synonym:
    3-(N-Boc-N-methylamino)pyrrolidine
    Catalog Number:
    43810
    Purity Limit:
    ≥ 96% (GC)
    CAS Number:
    172478-00-1
    MDL NO:
    MFCD00191665
    Molecular Formula:
    C10H20N2O2
    Molecular Weight:
    200.28
    Specification Sheet SDS
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