🌟 99% Happy customers

📦 Same-day shipping on in-stock items

🌟 NEW: Customizable Macrocyclic Peptide Libraries

Building Blocks

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

  • Ethyl 5-chlorothiophene-2-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Chlorothiophene-2-carboxylic acid ethyl ester
    Catalog Number:
    45001
    CAS Number:
    5751-82-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00051732
    Molecular Formula:
    C7H7ClO2S
    Molecular Weight:
    190.64
    Specification Sheet SDS

  • 1,2,4-Trifluorobenzene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45069
    CAS Number:
    367-23-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00000305
    Molecular Formula:
    C6H3F3
    Molecular Weight:
    132.09
    Specification Sheet SDS

  • 2-Bromo-5-dodecylthiophene

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    45002
    CAS Number:
    153561-74-1
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD22572689
    Molecular Formula:
    C16H27BrS
    Molecular Weight:
    331.36
    Specification Sheet SDS

  • 1,4-Bis(trifluoromethyl)benzene

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    α,α,α,α',α',α'-Hexafluoro-p-xylene
    Hazmat
    Catalog Number:
    45099
    CAS Number:
    433-19-2
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00000402
    Molecular Formula:
    C8H4F6
    Molecular Weight:
    214.11
    Specification Sheet SDS

  • 4-(Trifluoromethyl)benzaldehyde

    Hazmat
    Purity:
    ≥ 95% (GC)
    Synonym:
    α,α,α-Trifluoro-p-tolualdehyde
    Hazmat
    Catalog Number:
    45131
    CAS Number:
    455-19-6
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00006952
    Molecular Formula:
    C8H5F3O
    Molecular Weight:
    174.12
    Specification Sheet SDS

  • 1H-Undecafluoropentane

    Purity:
    ≥ 97% (GC)
    Synonym:
    1H-Perfluoropentane
    Catalog Number:
    45049
    CAS Number:
    375-61-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD08458172
    Molecular Formula:
    C5HF11
    Molecular Weight:
    270.05
    Specification Sheet SDS

  • 3-Chloro-2-fluorobenzaldehyde

    Hazmat
    Purity:
    ≥ 95% (GC)
    Hazmat
    Catalog Number:
    45124
    CAS Number:
    85070-48-0
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD01631571
    Molecular Formula:
    C7H4ClFO
    Molecular Weight:
    158.56
    Specification Sheet SDS

  • 2-Methylbenzotrifluoride

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(Trifluoromethyl)toluene
    Hazmat
    Catalog Number:
    45075
    CAS Number:
    13630-19-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00153204
    Molecular Formula:
    C8H7F3
    Molecular Weight:
    160.14
    Specification Sheet SDS

  • (Difluoromethyl)benzene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    α,α-Difluorotoluene
    Hazmat
    Catalog Number:
    45112
    CAS Number:
    455-31-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03788488
    Molecular Formula:
    C7H6F2
    Molecular Weight:
    128.12
    Specification Sheet SDS

  • 2,4-Dichlorobenzotrifluoride

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    1,3-Dichloro-4-(trifluoromethyl)benzene
    Hazmat
    Catalog Number:
    45077
    CAS Number:
    320-60-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00000582
    Molecular Formula:
    C7H3Cl2F3
    Molecular Weight:
    215.0
    Specification Sheet SDS

  • 1,2,3,4-Tetrafluorobenzene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45094
    CAS Number:
    551-62-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00000285
    Molecular Formula:
    C6H2F4
    Molecular Weight:
    150.08
    Specification Sheet SDS

  • 2-[3'-Bromo[1,1'-biphenyl]-3-yl]-4,6-diphenyl-1,3,5-triazine

    Purity:
    ≥ 98%
    Catalog Number:
    45031
    CAS Number:
    1606981-69-4
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD30730127
    Molecular Formula:
    C27H18BrN3
    Molecular Weight:
    464.37
    Specification Sheet SDS

  • 2,4-Difluorotoluene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45116
    CAS Number:
    452-76-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00000332
    Molecular Formula:
    C7H6F2
    Molecular Weight:
    128.12
    Specification Sheet SDS

  • 3-Chloro-5-fluorobenzaldehyde

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45130
    CAS Number:
    90390-49-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02261734
    Molecular Formula:
    C7H4ClFO
    Molecular Weight:
    158.56
    Specification Sheet SDS

  • 2,3,5-Tribromo-4-methylthiophene

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    45023
    CAS Number:
    67869-13-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00130086
    Molecular Formula:
    C5H3Br3S
    Molecular Weight:
    334.85
    Specification Sheet SDS

  • 2-Chloro-5-methylthiophene

    Hazmat
    Purity:
    ≥ 96% (GC)
    Hazmat
    Catalog Number:
    45005
    CAS Number:
    17249-82-0
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD01632145
    Molecular Formula:
    C5H5ClS
    Molecular Weight:
    132.61
    Specification Sheet SDS

  • (Trifluoromethyl)cyclohexane

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45052
    CAS Number:
    401-75-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03412289
    Molecular Formula:
    C7H11F3
    Molecular Weight:
    152.16
    Specification Sheet SDS

  • 4-Fluorobenzotrifluoride

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    1-Fluoro-4-(trifluoromethyl)benzene
    Hazmat
    Catalog Number:
    45079
    CAS Number:
    402-44-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00000399
    Molecular Formula:
    C7H4F4
    Molecular Weight:
    164.1
    Specification Sheet SDS

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

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    2,4-Diamino-6-chloro-1,3,5-triazine
    Catalog Number:
    45032
    CAS Number:
    3397-62-4
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00006054
    Molecular Formula:
    C3H4ClN5
    Molecular Weight:
    145.55
    Specification Sheet SDS

  • 2,5-Dibromo-3,4-thiophenedicarboxylic anhydride

    Purity:
    ≥ 98% (GC)
    Synonym:
    4,6-Dibromothieno[3,4-c]furan-1,3-dione
    Catalog Number:
    45020
    CAS Number:
    1015423-45-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD27923031
    Molecular Formula:
    C6Br2O3S
    Molecular Weight:
    311.93
    Specification Sheet SDS

  • 1,2,4,5-Tetrafluorobenzene

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    45073
    CAS Number:
    327-54-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00000307
    Molecular Formula:
    C6H2F4
    Molecular Weight:
    150.08
    Specification Sheet SDS

  • 3,4-Difluorobenzotrifluoride

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    α,α,α,3,4-Pentafluorotoluene
    Hazmat
    Catalog Number:
    45084
    CAS Number:
    32137-19-2
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00077510
    Molecular Formula:
    C7H3F5
    Molecular Weight:
    182.09
    Specification Sheet SDS

  • 2-(3-Carboxyanilino)-4,6-dichloro-1,3,5-triazine

    Purity:
    ≥ 95% (Assay by titration)
    Catalog Number:
    45033
    CAS Number:
    26940-56-7
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD00059762
    Molecular Formula:
    C10H6Cl2N4O2
    Molecular Weight:
    285.08
    Specification Sheet SDS

  • 2-([1,1'-Biphenyl]-3-yl)-4,6-dichloro-1,3,5-triazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45039
    CAS Number:
    1402225-89-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD30543410
    Molecular Formula:
    C15H9Cl2N3
    Molecular Weight:
    302.16
    Specification Sheet SDS

  • 4,4'-Difluorobiphenyl

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45114
    CAS Number:
    398-23-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00000349
    Molecular Formula:
    C12H8F2
    Molecular Weight:
    190.19
    Specification Sheet SDS

  • 4-Chloro-3-fluorobenzaldehyde

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    45123
    CAS Number:
    5527-95-7
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00143288
    Molecular Formula:
    C7H4ClFO
    Molecular Weight:
    158.56
    Specification Sheet SDS

  • 2-Fluorobenzotrifluoride

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Fluoro-2-(trifluoromethyl)benzene
    Hazmat
    Catalog Number:
    45102
    CAS Number:
    392-85-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00000374
    Molecular Formula:
    C7H4F4
    Molecular Weight:
    164.1
    Specification Sheet SDS

  • 1,3,5-Trifluorobenzene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45072
    CAS Number:
    372-38-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00000333
    Molecular Formula:
    C6H3F3
    Molecular Weight:
    132.09
    Specification Sheet SDS

  • Octafluorotoluene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Perfluorotoluene
    Hazmat
    Catalog Number:
    45089
    CAS Number:
    434-64-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00000375
    Molecular Formula:
    C7F8
    Molecular Weight:
    236.06
    Specification Sheet SDS

  • Hexadecafluoroheptane (mixture of isomers)

    Purity:
    ≥ 80% (GC)
    Synonym:
    Perfluoroheptane (mixture of isomers)
    Catalog Number:
    45053
    CAS Number:
    335-57-9
    Purity Limit:
    ≥ 80% (GC)
    MDL NO:
    MFCD00040339
    Molecular Formula:
    C7F16
    Molecular Weight:
    388.05
    Specification Sheet SDS

  • 3-Acetyl-2,5-dichlorothiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45003
    CAS Number:
    36157-40-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00014522
    Molecular Formula:
    C6H4Cl2OS
    Molecular Weight:
    195.06
    Specification Sheet SDS

  • 4,5-Dibromo-1H-1,2,3-triazole

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    45044
    CAS Number:
    15294-81-2
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD08062401
    Molecular Formula:
    C2HBr2N3
    Molecular Weight:
    226.86
    Specification Sheet SDS

  • 1,1,2,2,3,3,4-Heptafluorocyclopentane

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45051
    CAS Number:
    15290-77-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03844796
    Molecular Formula:
    C5H3F7
    Molecular Weight:
    196.07
    Specification Sheet SDS

  • 1-Ethyl-3,5-difluorobenzene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45101
    CAS Number:
    117358-52-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD10000628
    Molecular Formula:
    C8H8F2
    Molecular Weight:
    142.15
    Specification Sheet SDS

  • 1H-Tridecafluorohexane

    Purity:
    ≥ 97% (GC)
    Synonym:
    1H-Perfluorohexane
    Catalog Number:
    45062
    CAS Number:
    355-37-3
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00142632
    Molecular Formula:
    C6HF13
    Molecular Weight:
    320.05
    Specification Sheet SDS

  • 6-Fluoro-m-anisaldehyde

    Purity:
    ≥ 95% (GC)
    Synonym:
    2-Fluoro-5-methoxybenzaldehyde
    Catalog Number:
    45132
    CAS Number:
    105728-90-3
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00070795
    Molecular Formula:
    C8H7FO2
    Molecular Weight:
    154.14
    Specification Sheet SDS

  • Octafluoronaphthalene

    Purity:
    ≥ 96% (GC)
    Synonym:
    Perfluoronaphthalene
    Catalog Number:
    45088
    CAS Number:
    313-72-4
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00014307
    Molecular Formula:
    C10F8
    Molecular Weight:
    272.1
    Specification Sheet SDS

  • 2,4-Dibromothiophene

    Purity:
    ≥ 90% (GC)
    Catalog Number:
    45025
    CAS Number:
    3140-92-9
    Purity Limit:
    ≥ 90% (GC)
    MDL NO:
    MFCD00043889
    Molecular Formula:
    C4H2Br2S
    Molecular Weight:
    241.93
    Specification Sheet SDS

  • Octadecafluorodecahydronaphthalene

    Purity:
    ≥ 95% (GC)
    Synonym:
    Perfluorodecalin
    Catalog Number:
    45057
    CAS Number:
    306-94-5
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00010626
    Molecular Formula:
    C10F18
    Molecular Weight:
    462.08
    Specification Sheet SDS

  • 1,3-Bis(trifluoromethyl)cyclohexane (cis- and trans- mixture)

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45061
    CAS Number:
    79850-12-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD31009310
    Molecular Formula:
    C8H10F6
    Molecular Weight:
    220.16
    Specification Sheet SDS

  • 3-(Trifluoromethoxy)benzaldehyde

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    45137
    CAS Number:
    52771-21-8
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00042406
    Molecular Formula:
    C8H5F3O2
    Molecular Weight:
    190.12
    Specification Sheet SDS

  • 2-Chlorothiophene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Thienyl chloride
    Hazmat
    Catalog Number:
    45016
    CAS Number:
    96-43-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005421
    Molecular Formula:
    C4H3ClS
    Molecular Weight:
    118.58
    Specification Sheet SDS

  • 4-Fluorocinnamaldehyde

    Purity:
    ≥ 95% (GC)
    Synonym:
    3-(4-Fluorophenyl)acrylaldehyde
    Catalog Number:
    45139
    CAS Number:
    24654-55-5
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD03425895
    Molecular Formula:
    C9H7FO
    Molecular Weight:
    150.15
    Specification Sheet SDS

  • 3,5-Dibromo-1,2,4-triazole

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    45045
    CAS Number:
    7411-23-6
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00487260
    Molecular Formula:
    C2HBr2N3
    Molecular Weight:
    226.86
    Specification Sheet SDS

  • 4,4'-Dibromo-2,2'-bithiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    45013
    CAS Number:
    51285-60-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00508561
    Molecular Formula:
    C8H4Br2S2
    Molecular Weight:
    324.05
    Specification Sheet SDS

  • 3-(Chloromethyl)-1,2,4-triazolin-5-one

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-(Chloromethyl)-1H-1,2,4-triazol-5(4H-one
    Hazmat
    Catalog Number:
    45042
    CAS Number:
    252742-72-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD07776630
    Molecular Formula:
    C3H4ClN3O
    Molecular Weight:
    133.54
    Specification Sheet SDS

  • 2,3-Dibromothiophene

    Hazmat
    Purity:
    ≥ 95% (GC)
    Hazmat
    Catalog Number:
    45012
    CAS Number:
    3140-93-0
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00005418
    Molecular Formula:
    C4H2Br2S
    Molecular Weight:
    241.93
    Specification Sheet SDS

  • 4,4'-Dibromo-3,3'-bithiophene

    Purity:
    ≥ 98% (GC)
    Synonym:
    4,4'-Dibromo-3,3'-bithienyl
    Catalog Number:
    45027
    CAS Number:
    5556-13-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD17012206
    Molecular Formula:
    C8H4Br2S2
    Molecular Weight:
    324.05
    Specification Sheet SDS

  • 3-Methylbenzotrifluoride

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    3-(Trifluoromethyl)toluene
    Hazmat
    Catalog Number:
    45074
    CAS Number:
    401-79-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00190105
    Molecular Formula:
    C8H7F3
    Molecular Weight:
    160.14
    Specification Sheet SDS

  • 2,3-Difluorotoluene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    45097
    CAS Number:
    3828-49-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01631506
    Molecular Formula:
    C7H6F2
    Molecular Weight:
    128.12
    Specification Sheet SDS
Back to top