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Building Blocks

7871
Sub Categories
Fluorinated Building Blocks 1631
Heterocyclic Building Blocks 3724
Non-Heterocyclic Building Blocks 2575

  • Trifluoroacetaldehyde methyl hemiacetal (contains ca. 10% Methanol)

    Hazmat
    Purity:
    ≥ 88% (GC)
    Synonym:
    Perfluoroacetaldehyde methyl hemiacetal (contains ca. 10% Methanol)
    Hazmat
    Catalog Number:
    45192
    CAS Number:
    431-46-9
    Purity Limit:
    ≥ 88% (GC)
    MDL NO:
    MFCD00013572
    Molecular Formula:
    C3H5F3O2
    Molecular Weight:
    130.07
    Specification Sheet SDS

  • 5-Fluoro-o-anisaldehyde

    Purity:
    ≥ 97% (GC)
    Synonym:
    5-Fluoro-2-methoxybenzaldehyde
    Catalog Number:
    45183
    CAS Number:
    19415-51-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00143458
    Molecular Formula:
    C8H7FO2
    Molecular Weight:
    154.14
    Specification Sheet SDS

  • 2'-Bromo-4'-fluoroacetanilide

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45220
    CAS Number:
    1009-22-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00061118
    Molecular Formula:
    C8H7BrFNO
    Molecular Weight:
    232.05
    Specification Sheet SDS

  • 5,6-Difluoro-o-anisaldehyde

    Purity:
    ≥ 97% (GC)
    Synonym:
    2,3-Difluoro-6-methoxybenzaldehyde
    Catalog Number:
    45198
    CAS Number:
    187543-87-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD02093968
    Molecular Formula:
    C8H6F2O2
    Molecular Weight:
    172.13
    Specification Sheet SDS

  • 2-(Trifluoromethyl)benzaldehyde

    Purity:
    ≥ 97% (GC)
    Synonym:
    α,α,α-Trifluoro-o-tolualdehyde
    Catalog Number:
    45196
    CAS Number:
    447-61-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00003337
    Molecular Formula:
    C8H5F3O
    Molecular Weight:
    174.12
    Specification Sheet SDS

  • 4-Fluoro-3-phenoxybenzaldehyde

    Purity:
    ≥ 97% (GC)
    Synonym:
    2-Fluoro-5-formyldiphenyl Ether
    Catalog Number:
    45186
    CAS Number:
    68359-57-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD01318148
    Molecular Formula:
    C13H9FO2
    Molecular Weight:
    216.21
    Specification Sheet SDS

  • 2-Bromo-5-(trifluoromethyl)benzaldehyde

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    45180
    CAS Number:
    102684-91-3
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD04973760
    Molecular Formula:
    C8H4BrF3O
    Molecular Weight:
    253.02
    Specification Sheet SDS

  • 2-Fluoro-p-anisaldehyde

    Purity:
    ≥ 96% (GC)
    Synonym:
    2-Fluoro-4-methoxybenzaldehyde
    Catalog Number:
    45172
    CAS Number:
    331-64-6
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00236679
    Molecular Formula:
    C8H7FO2
    Molecular Weight:
    154.14
    Specification Sheet SDS

  • 4-Fluoro-o-anisaldehyde

    Purity:
    ≥ 97% (GC)
    Synonym:
    4-Fluoro-2-methoxybenzaldehyde
    Catalog Number:
    45182
    CAS Number:
    450-83-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00143318
    Molecular Formula:
    C8H7FO2
    Molecular Weight:
    154.14
    Specification Sheet SDS

  • 2,4,6-Trifluorobenzaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45187
    CAS Number:
    58551-83-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00061197
    Molecular Formula:
    C7H3F3O
    Molecular Weight:
    160.1
    Specification Sheet SDS

  • 4-(Difluoromethoxy)benzaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45189
    CAS Number:
    73960-07-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00042252
    Molecular Formula:
    C8H6F2O2
    Molecular Weight:
    172.13
    Specification Sheet SDS

  • 4-Methoxy-2-(trifluoromethyl)benzaldehyde

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Formyl-3-(trifluoromethyl)anisole
    Catalog Number:
    45155
    CAS Number:
    106312-36-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01091011
    Molecular Formula:
    C9H7F3O2
    Molecular Weight:
    204.15
    Specification Sheet SDS

  • 4-Fluoro-3-(trifluoromethyl)benzaldehyde

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    45176
    CAS Number:
    67515-60-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00061314
    Molecular Formula:
    C8H4F4O
    Molecular Weight:
    192.11
    Specification Sheet SDS

  • 3-Fluoro-4-nitrobenzaldehyde

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    45175
    CAS Number:
    160538-51-2
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00968940
    Molecular Formula:
    C7H4FNO3
    Molecular Weight:
    169.11
    Specification Sheet SDS

  • 2,4-Difluorobenzaldehyde

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45188
    CAS Number:
    1550-35-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00010326
    Molecular Formula:
    C7H4F2O
    Molecular Weight:
    142.1
    Specification Sheet SDS

  • 3-Fluoro-2-methylbenzaldehyde

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45173
    CAS Number:
    147624-13-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00075256
    Molecular Formula:
    C8H7FO
    Molecular Weight:
    138.14
    Specification Sheet SDS

  • 4-Bromo-2-(trifluoromethyl)benzoic acid

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45171
    CAS Number:
    320-31-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD07787468
    Molecular Formula:
    C8H4BrF3O2
    Molecular Weight:
    269.02
    Specification Sheet SDS

  • 2-Fluoro-6-(trifluoromethyl)benzaldehyde

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45181
    CAS Number:
    60611-24-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00061273
    Molecular Formula:
    C8H4F4O
    Molecular Weight:
    192.11
    Specification Sheet SDS

  • 3-Fluorosalicylaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Fluoro-2-hydroxybenzaldehyde
    Catalog Number:
    45179
    CAS Number:
    394-50-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00003319
    Molecular Formula:
    C7H5FO2
    Molecular Weight:
    140.11
    Specification Sheet SDS

  • 2-Fluoro-4,5-dimethoxybenzaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Fluoroveratraldehyde
    Catalog Number:
    45174
    CAS Number:
    71924-62-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00061108
    Molecular Formula:
    C9H9FO3
    Molecular Weight:
    184.17
    Specification Sheet SDS

  • 3-Fluoro-p-anisaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Fluoro-4-methoxybenzaldehyde
    Catalog Number:
    45177
    CAS Number:
    351-54-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00003349
    Molecular Formula:
    C8H7FO2
    Molecular Weight:
    154.14
    Specification Sheet SDS

  • 5-Bromo-2-fluorobenzaldehyde

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    45164
    CAS Number:
    93777-26-5
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00070755
    Molecular Formula:
    C7H4BrFO
    Molecular Weight:
    203.01
    Specification Sheet SDS

  • 2-Bromo-5-fluorobenzaldehyde

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    45170
    CAS Number:
    94569-84-3
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00142872
    Molecular Formula:
    C7H4BrFO
    Molecular Weight:
    203.01
    Specification Sheet SDS

  • 2-Fluoro-5-nitrobenzaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45178
    CAS Number:
    27996-87-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00042298
    Molecular Formula:
    C7H4FNO3
    Molecular Weight:
    169.11
    Specification Sheet SDS

  • 3,5-Bis(trifluoromethyl)benzaldehyde

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    45165
    CAS Number:
    401-95-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00010206
    Molecular Formula:
    C9H4F6O
    Molecular Weight:
    242.12
    Specification Sheet SDS

  • 3-Bromo-5-(trifluoromethyl)benzaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45169
    CAS Number:
    477535-41-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08059506
    Molecular Formula:
    C8H4BrF3O
    Molecular Weight:
    253.02
    Specification Sheet SDS

  • 2-Chloro-5-(trifluoromethyl)benzaldehyde

    Hazmat
    Purity:
    ≥ 95% (GC)
    Hazmat
    Catalog Number:
    45161
    CAS Number:
    82386-89-8
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00134430
    Molecular Formula:
    C8H4ClF3O
    Molecular Weight:
    208.56
    Specification Sheet SDS

  • 6-Bromo-2-naphthaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45166
    CAS Number:
    170737-46-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09842469
    Molecular Formula:
    C11H7BrO
    Molecular Weight:
    235.08
    Specification Sheet SDS

  • 4-Bromo-2,6-difluorobenzaldehyde

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45163
    CAS Number:
    537013-51-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03094459
    Molecular Formula:
    C7H3BrF2O
    Molecular Weight:
    221.0
    Specification Sheet SDS

  • 4-Bromo-3-fluorobenzaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45168
    CAS Number:
    133059-43-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03095000
    Molecular Formula:
    C7H4BrFO
    Molecular Weight:
    203.01
    Specification Sheet SDS

  • 3-Bromo-4-fluorobenzaldehyde

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    45162
    CAS Number:
    77771-02-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00042186
    Molecular Formula:
    C7H4BrFO
    Molecular Weight:
    203.01
    Specification Sheet SDS

  • 2,4,5-Trifluorobenzaldehyde

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45158
    CAS Number:
    165047-24-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00061196
    Molecular Formula:
    C7H3F3O
    Molecular Weight:
    160.1
    Specification Sheet SDS

  • 2,3-Difluorobenzaldehyde

    Hazmat
    Purity:
    ≥ 97% (GC)
    Hazmat
    Catalog Number:
    45159
    CAS Number:
    2646-91-5
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00010292
    Molecular Formula:
    C7H4F2O
    Molecular Weight:
    142.1
    Specification Sheet SDS

  • 4-Fluoro-3-methylbenzaldehyde

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45149
    CAS Number:
    135427-08-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01631431
    Molecular Formula:
    C8H7FO
    Molecular Weight:
    138.14
    Specification Sheet SDS

  • 2,6-Difluorobenzaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45156
    CAS Number:
    437-81-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00010293
    Molecular Formula:
    C7H4F2O
    Molecular Weight:
    142.1
    Specification Sheet SDS

  • 4-(Trifluoromethoxy)benzaldehyde

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    45160
    CAS Number:
    659-28-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00041530
    Molecular Formula:
    C8H5F3O2
    Molecular Weight:
    190.12
    Specification Sheet SDS

  • 2,3,4-Trifluorobenzaldehyde

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45153
    CAS Number:
    161793-17-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00061230
    Molecular Formula:
    C7H3F3O
    Molecular Weight:
    160.1
    Specification Sheet SDS

  • 4-(3-Fluorobenzyloxy)benzaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45152
    CAS Number:
    66742-57-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02605317
    Molecular Formula:
    C14H11FO2
    Molecular Weight:
    230.24
    Specification Sheet SDS

  • 4-(1,1,2,2-Tetrafluoroethoxy)benzaldehyde

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    45157
    CAS Number:
    35295-36-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00039577
    Molecular Formula:
    C9H6F4O2
    Molecular Weight:
    222.14
    Specification Sheet SDS

  • 6-Fluorosalicylaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Fluoro-6-hydroxybenzaldehyde
    Catalog Number:
    45146
    CAS Number:
    38226-10-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01090996
    Molecular Formula:
    C7H5FO2
    Molecular Weight:
    140.11
    Specification Sheet SDS

  • 3,5-Difluorobenzaldehyde

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45148
    CAS Number:
    32085-88-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00010329
    Molecular Formula:
    C7H4F2O
    Molecular Weight:
    142.1
    Specification Sheet SDS

  • 2-Methoxy-5-(trifluoromethoxy)benzaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Formyl-4-(trifluoromethoxy)anisole
    Catalog Number:
    45142
    CAS Number:
    145742-65-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04115958
    Molecular Formula:
    C9H7F3O3
    Molecular Weight:
    220.15
    Specification Sheet SDS

  • 4-Fluoro-2-methylbenzaldehyde

    Hazmat
    Purity:
    ≥ 95% (GC)
    Hazmat
    Catalog Number:
    45150
    CAS Number:
    63082-45-1
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD02261764
    Molecular Formula:
    C8H7FO
    Molecular Weight:
    138.14
    Specification Sheet SDS

  • 2,3,6-Trifluorobenzaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45154
    CAS Number:
    104451-70-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00061195
    Molecular Formula:
    C7H3F3O
    Molecular Weight:
    160.1
    Specification Sheet SDS

  • 3-Fluoro-5-(trifluoromethyl)benzaldehyde

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45151
    CAS Number:
    188815-30-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00061312
    Molecular Formula:
    C8H4F4O
    Molecular Weight:
    192.11
    Specification Sheet SDS

  • 5-Fluoro-2-methylbenzaldehyde

    Hazmat
    Purity:
    ≥ 95% (GC)
    Hazmat
    Catalog Number:
    45147
    CAS Number:
    22062-53-9
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD02261763
    Molecular Formula:
    C8H7FO
    Molecular Weight:
    138.14
    Specification Sheet SDS

  • 2,4-Bis(trifluoromethyl)benzaldehyde

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    45143
    CAS Number:
    59664-42-5
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00083535
    Molecular Formula:
    C9H4F6O
    Molecular Weight:
    242.12
    Specification Sheet SDS

  • 3-Fluoro-4-hydroxybenzaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45141
    CAS Number:
    405-05-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00016626
    Molecular Formula:
    C7H5FO2
    Molecular Weight:
    140.11
    Specification Sheet SDS

  • 5-Fluoro-2-nitrobenzaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45145
    CAS Number:
    395-81-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00153175
    Molecular Formula:
    C7H4FNO3
    Molecular Weight:
    169.11
    Specification Sheet SDS

  • 5-Fluorosalicylaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Fluoro-2-hydroxybenzaldehyde
    Catalog Number:
    45144
    CAS Number:
    347-54-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01090997
    Molecular Formula:
    C7H5FO2
    Molecular Weight:
    140.11
    Specification Sheet SDS
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