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Building Blocks

7868
Sub Categories
Fluorinated Building Blocks 1630
Heterocyclic Building Blocks 3724
Non-Heterocyclic Building Blocks 2573

  • N-(3-Aminopropyl)morpholine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    3-Morpholinopropylamine
    Hazmat
    Catalog Number:
    43103
    CAS Number:
    123-00-2
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006184
    Molecular Formula:
    C7H16N2O
    Molecular Weight:
    144.22
    Specification Sheet SDS

  • 4-(2-Morpholinoethoxy)aniline

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-[2-(4-Morpholinyl)ethoxy]aniline
    Catalog Number:
    43099
    CAS Number:
    52481-41-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04970981
    Molecular Formula:
    C12H18N2O2
    Molecular Weight:
    222.29
    Specification Sheet SDS

  • 4-(2-Hydroxyethyl)morpholine

    Purity:
    ≥ 99% (GC)
    Synonym:
    2-Morpholinoethanol
    Catalog Number:
    43095
    CAS Number:
    622-40-2
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006180
    Molecular Formula:
    C6H13NO2
    Molecular Weight:
    131.18
    Specification Sheet SDS

  • 2-Morpholinoaniline

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-(2-Aminophenyl)morpholine
    Catalog Number:
    43100
    CAS Number:
    5585-33-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00047408
    Molecular Formula:
    C10H14N2O
    Molecular Weight:
    178.24
    Specification Sheet SDS

  • 4-Aminomorpholine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43102
    CAS Number:
    4319-49-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006174
    Molecular Formula:
    C4H10N2O
    Molecular Weight:
    102.14
    Specification Sheet SDS

  • 4-(4-Aminophenyl)thiomorpholine 1,1-dioxide

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-(1,1-Dioxothiomorpholino)aniline
    Catalog Number:
    43098
    CAS Number:
    105297-10-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD06797046
    Molecular Formula:
    C10H14N2O2S
    Molecular Weight:
    226.29
    Specification Sheet SDS

  • 1-Morpholino-1-cyclopentene

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    N-(1-Cyclopenten-1-yl)morpholine
    Hazmat
    Catalog Number:
    43092
    CAS Number:
    936-52-7
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00006162
    Molecular Formula:
    C9H15NO
    Molecular Weight:
    153.23
    Specification Sheet SDS

  • 5-Methyl-3-phenylisoxazole-4-carbonyl chloride

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43073
    CAS Number:
    16883-16-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00052205
    Molecular Formula:
    C11H8ClNO2
    Molecular Weight:
    221.64
    Specification Sheet SDS

  • 3-Amino-5-methylisoxazole

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    43084
    CAS Number:
    1072-67-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00003155
    Molecular Formula:
    C4H6N2O
    Molecular Weight:
    98.11
    Specification Sheet SDS

  • Methyl 3-hydroxyisoxazole-5-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Hydroxyisoxazole-5-carboxylic acid methyl ester
    Catalog Number:
    43079
    CAS Number:
    10068-07-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00062870
    Molecular Formula:
    C5H5NO4
    Molecular Weight:
    143.1
    Specification Sheet SDS

  • 4-Allylmorpholine

    Hazmat
    Purity:
    ≥ 97% (GC)
    Hazmat
    Catalog Number:
    43091
    CAS Number:
    696-57-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00038034
    Molecular Formula:
    C7H13NO
    Molecular Weight:
    127.19
    Specification Sheet SDS

  • 4-(2-Hydroxyethyl)thiomorpholine 1,1-dioxide

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(1,1-Dioxothiomorpholino)ethanol
    Catalog Number:
    43088
    CAS Number:
    26475-62-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00106415
    Molecular Formula:
    C6H13NO3S
    Molecular Weight:
    179.23
    Specification Sheet SDS

  • 3-Amino-5-tert-butylisoxazole

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    43086
    CAS Number:
    55809-36-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00055620
    Molecular Formula:
    C7H12N2O
    Molecular Weight:
    140.19
    Specification Sheet SDS

  • 1,2-Benzisoxazole

    Purity:
    ≥ 96% (GC)
    Synonym:
    Indoxazene
    Catalog Number:
    43083
    CAS Number:
    271-95-4
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00005852
    Molecular Formula:
    C7H5NO
    Molecular Weight:
    119.12
    Specification Sheet SDS

  • 1,2-Benzisoxazole-3-acetic acid

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43085
    CAS Number:
    4865-84-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02180388
    Molecular Formula:
    C9H7NO3
    Molecular Weight:
    177.16
    Specification Sheet SDS

  • 4-(1,1-Dioxothiomorpholino)benzaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-(4-Formylphenyl)thiomorpholine 1,1-dioxide
    Catalog Number:
    43089
    CAS Number:
    27913-96-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08276340
    Molecular Formula:
    C11H13NO3S
    Molecular Weight:
    239.29
    Specification Sheet SDS

  • N-(2-Hydroxypropyl)morpholine

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Morpholino-2-propanol
    Catalog Number:
    43093
    CAS Number:
    2109-66-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00023378
    Molecular Formula:
    C7H15NO2
    Molecular Weight:
    145.2
    Specification Sheet SDS

  • Anthranil

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,1-Benzisoxazole
    Catalog Number:
    43081
    CAS Number:
    271-58-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005806
    Molecular Formula:
    C7H5NO
    Molecular Weight:
    119.12
    Specification Sheet SDS

  • Ethyl 1,2-benzisoxazole-3-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    1,2-Benzisoxazole-3-carboxylic acid ethyl ester
    Catalog Number:
    43080
    CAS Number:
    57764-49-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD06659787
    Molecular Formula:
    C10H9NO3
    Molecular Weight:
    191.19
    Specification Sheet SDS

  • Ethyl 4-methyloxazole-5-carboxylate

    Purity:
    ≥ 96% (GC)
    Synonym:
    4-Methyloxazole-5-carboxylic acid ethyl ester
    Catalog Number:
    43072
    CAS Number:
    20485-39-6
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00062573
    Molecular Formula:
    C7H9NO3
    Molecular Weight:
    155.15
    Specification Sheet SDS

  • 4-(4-Hydroxyphenyl)thiomorpholine 1,1-dioxide

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-(1,1-Dioxothiomorpholino)phenol
    Catalog Number:
    43087
    CAS Number:
    103661-13-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD06797109
    Molecular Formula:
    C10H13NO3S
    Molecular Weight:
    227.28
    Specification Sheet SDS

  • 3-Methylisoxazole-5-carboxylic acid

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43078
    CAS Number:
    4857-42-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00464222
    Molecular Formula:
    C5H5NO3
    Molecular Weight:
    127.1
    Specification Sheet SDS

  • 3,5-Dimethylisoxazole

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    43074
    CAS Number:
    300-87-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00003156
    Molecular Formula:
    C5H7NO
    Molecular Weight:
    97.12
    Specification Sheet SDS

  • 6,7-Dimethoxy-3,4-dihydroisoquinoline hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43062
    CAS Number:
    20232-39-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00143492
    Molecular Formula:
    C11H13NO2·HCl
    Molecular Weight:
    227.69
    Specification Sheet SDS

  • Ethyl 5-(thiophen-2-yl)isoxazole-3-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-(Thiophen-2-yl)isoxazole-3-carboxylic acid ethyl ester
    Catalog Number:
    43076
    CAS Number:
    90924-54-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02090509
    Molecular Formula:
    C10H9NO3S
    Molecular Weight:
    223.25
    Specification Sheet SDS

  • 3,5-Dimethylisoxazole-4-carbonyl chloride

    Hazmat
    Purity:
    ≥ 96% (GC)
    Hazmat
    Catalog Number:
    43070
    CAS Number:
    31301-45-8
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00052555
    Molecular Formula:
    C6H6ClNO2
    Molecular Weight:
    159.57
    Specification Sheet SDS

  • 3,5-Dimethylisoxazole-4-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43077
    CAS Number:
    54593-26-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02681977
    Molecular Formula:
    C6H7NO2
    Molecular Weight:
    125.13
    Specification Sheet SDS

  • 5-Amino-3,4-dimethylisoxazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    3,4-Dimethylisoxazol-5-amine
    Catalog Number:
    43071
    CAS Number:
    19947-75-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00046081
    Molecular Formula:
    C5H8N2O
    Molecular Weight:
    112.13
    Specification Sheet SDS

  • Isoquinoline N-oxide

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    43053
    CAS Number:
    1532-72-5
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00006903
    Molecular Formula:
    C9H7NO
    Molecular Weight:
    145.16
    Specification Sheet SDS

  • 5-Methyl-3,4-diphenylisoxazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43075
    CAS Number:
    37928-17-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD18449672
    Molecular Formula:
    C16H13NO
    Molecular Weight:
    235.29
    Specification Sheet SDS

  • Isothiazole

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    1,2-Thiazol
    Hazmat
    Catalog Number:
    43067
    CAS Number:
    288-16-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00020818
    Molecular Formula:
    C3H3NS
    Molecular Weight:
    85.12
    Specification Sheet SDS

  • 3,5-Dimethyl-4-nitroisoxazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43069
    CAS Number:
    1123-49-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00051656
    Molecular Formula:
    C5H6N2O3
    Molecular Weight:
    142.11
    Specification Sheet SDS

  • 3-Amino-5-nitrobenz[d]isothiazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43066
    CAS Number:
    84387-89-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00270828
    Molecular Formula:
    C7H5N3O2S
    Molecular Weight:
    195.2
    Specification Sheet SDS

  • 6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    43063
    CAS Number:
    2328-12-3
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00012744
    Molecular Formula:
    C11H15NO2·HCl
    Molecular Weight:
    229.7
    Specification Sheet SDS

  • 3,5-Dimethylisoxazole-4-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43068
    CAS Number:
    2510-36-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00051657
    Molecular Formula:
    C6H7NO3
    Molecular Weight:
    141.13
    Specification Sheet SDS

  • 1,2,3,4-Tetrahydroisoquinoline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43061
    CAS Number:
    91-21-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006896
    Molecular Formula:
    C9H11N
    Molecular Weight:
    133.19
    Specification Sheet SDS

  • 1-Phenyl-1,2,3,4-tetrahydroisoquinoline

    Purity:
    ≥ 98% (GC)
    Synonym:
    1,2,3,4-Tetrahydro-1-phenylisoquinoline
    Catalog Number:
    43064
    CAS Number:
    22990-19-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02179241
    Molecular Formula:
    C15H15N
    Molecular Weight:
    209.29
    Specification Sheet SDS

  • 6-Methoxy-1,2,3,4-tetrahydroisoquinoline

    Purity:
    ≥ 96% (GC)
    Synonym:
    Longimammatine
    Catalog Number:
    43060
    CAS Number:
    42923-77-3
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD01717129
    Molecular Formula:
    C10H13NO
    Molecular Weight:
    163.22
    Specification Sheet SDS

  • Isoquinoline-5-sulfonic acid

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    5-Sulfoisoquinoline
    Hazmat
    Catalog Number:
    43057
    CAS Number:
    27655-40-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00134089
    Molecular Formula:
    C9H7NO3S
    Molecular Weight:
    209.22
    Specification Sheet SDS

  • 3-(1-Piperazinyl)-1,2-benzisothiazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43065
    CAS Number:
    87691-87-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04117970
    Molecular Formula:
    C11H13N3S
    Molecular Weight:
    219.31
    Specification Sheet SDS

  • Isoquinoline-3-carboxylic acid monohydrate

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43058
    CAS Number:
    203626-75-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00075137
    Molecular Formula:
    C10H7NO2·H2O
    Molecular Weight:
    191.19
    Specification Sheet SDS

  • Isoquinoline-1-carboxylic acid

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43059
    CAS Number:
    486-73-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006901
    Molecular Formula:
    C10H7NO2
    Molecular Weight:
    173.17
    Specification Sheet SDS

  • 6,7-Dimethoxyisoquinoline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43047
    CAS Number:
    15248-39-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00666134
    Molecular Formula:
    C11H11NO2
    Molecular Weight:
    189.21
    Specification Sheet SDS

  • 5-Nitroisoquinoline

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    43056
    CAS Number:
    607-32-9
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00006905
    Molecular Formula:
    C9H6N2O2
    Molecular Weight:
    174.16
    Specification Sheet SDS

  • Ethyl indoline-2-carboxylate

    Purity:
    ≥ 95% (GC)
    Synonym:
    Indoline-2-carboxylic acid ethyl ester
    Catalog Number:
    43043
    CAS Number:
    50501-07-0
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD06797114
    Molecular Formula:
    C11H13NO2
    Molecular Weight:
    191.23
    Specification Sheet SDS

  • 5,6,7,8-Tetrahydroisoquinoline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43051
    CAS Number:
    36556-06-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00012168
    Molecular Formula:
    C9H11N
    Molecular Weight:
    133.19
    Specification Sheet SDS

  • 1,2,3,4-Tetrahydrocyclopenta[b]indole

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    43030
    CAS Number:
    2047-91-8
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00225387
    Molecular Formula:
    C11H11N
    Molecular Weight:
    157.22
    Specification Sheet SDS

  • 1,3,3-Trimethyl-3,4-dihydroisoquinoline

    Purity:
    ≥ 98% (GC)
    Synonym:
    3,4-Dihydro-1,3,3-trimethylisoquinoline
    Catalog Number:
    43046
    CAS Number:
    79023-51-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00608546
    Molecular Formula:
    C12H15N
    Molecular Weight:
    173.26
    Specification Sheet SDS

  • 5-Hydroxyisoquinoline

    Purity:
    ≥ 96% (GC)
    Synonym:
    5-Isoquinolinol
    Catalog Number:
    43048
    CAS Number:
    2439-04-5
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00006906
    Molecular Formula:
    C9H7NO
    Molecular Weight:
    145.16
    Specification Sheet SDS

  • 3-Hydroxyisoquinoline

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Isoquinolinol
    Catalog Number:
    43055
    CAS Number:
    7651-81-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00075524
    Molecular Formula:
    C9H7NO
    Molecular Weight:
    145.16
    Specification Sheet SDS
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