💛 99% Happy customers

📦 Same-day shipping on in-stock items

🌟 Join our Rewards Program

Building Blocks

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

  • O-Acetyl- N-tert-butylhydroxylamine hydrochloride

    Purity:
    ≥ 98%(Titration)
    Catalog Number:
    31264
    CAS Number:
    851074-40-3
    Purity Limit:
    ≥ 98%(Titration)
    MDL NO:
    MFCD12545957
    Molecular Formula:
    C6H13NO2·HCl
    Molecular Weight:
    167.64
    SDS

  • 2,3-Dimethylpyrazine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    31192
    CAS Number:
    5910-89-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006144
    Molecular Formula:
    C6H8N2
    Molecular Weight:
    108.14
    Specification Sheet SDS

  • 2-Methylpyrazine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    31194
    CAS Number:
    109-08-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006142
    Molecular Formula:
    C5H6N2
    Molecular Weight:
    94.11
    Specification Sheet SDS

  • N-(4-Cyanophenyl)guanidine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1-(4-Cyanophenyl)guanidine
    Catalog Number:
    31256
    CAS Number:
    5637-42-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD16251323
    Molecular Formula:
    C8H8N4
    Molecular Weight:
    160.18
    Specification Sheet SDS

  • 4,5-Dicyanoimidazole

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4,5-Imidazoledicarbonitrile
    Hazmat
    Catalog Number:
    31202
    CAS Number:
    1122-28-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005194
    Molecular Formula:
    C5H2N4
    Molecular Weight:
    118.1
    Specification Sheet SDS

  • 2-Chlorobenzimidazole

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Chloro-1H-benzimidazole
    Catalog Number:
    31112
    CAS Number:
    4857-06-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00051944
    Molecular Formula:
    C7H5ClN2
    Molecular Weight:
    152.58
    Specification Sheet SDS

  • Methyl 4-(chlorocarbonyl)benzoate

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Chlorocarbonylbenzoic acid methyl ester
    Hazmat
    Catalog Number:
    31223
    CAS Number:
    7377-26-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00059486
    Molecular Formula:
    C9H7ClO3
    Molecular Weight:
    198.6
    Specification Sheet SDS

  • 2′,5′-Dichloroacetophenone

    Purity:
    ≥ 99% (GC, HPLC)
    Catalog Number:
    31181
    CAS Number:
    2476-37-1
    Purity Limit:
    ≥ 99% (GC, HPLC)
    MDL NO:
    MFCD00000607
    Molecular Formula:
    C8H6Cl2O
    Molecular Weight:
    189.04
    SDS

  • Pentadecanedioic acid

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    31117
    CAS Number:
    1460-18-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00039534
    Molecular Formula:
    C15H28O4
    Molecular Weight:
    272.39
    Specification Sheet SDS

  • 2-Chloro-4-phenylquinazoline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    31150
    CAS Number:
    29874-83-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01152724
    Molecular Formula:
    C14H9ClN2
    Molecular Weight:
    240.69
    SDS

  • N-tert-Butylhydroxylamine hydrochloride

    Purity:
    ≥ 99% (Assay by titration)
    Catalog Number:
    31262
    CAS Number:
    57497-39-9
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00012598
    Molecular Formula:
    C4H11NO·HCl
    Molecular Weight:
    125.6
    Specification Sheet SDS

  • 5,11-Dihydroindolo[3,2-b]carbazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    31137
    CAS Number:
    6336-32-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD09879258
    Molecular Formula:
    C18H12N2
    Molecular Weight:
    256.31
    Specification Sheet SDS

  • 2-(3-Bromophenyl)-1-phenylbenzimidazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    31145
    CAS Number:
    760212-40-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD12911655
    Molecular Formula:
    C19H13BrN2
    Molecular Weight:
    349.23
    SDS

  • N,N'-Diphenylbenzidine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4,4'-Bis(anilino)biphenyl
    Catalog Number:
    31096
    CAS Number:
    531-91-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00003016
    Molecular Formula:
    C24H20N2
    Molecular Weight:
    336.44
    Specification Sheet SDS

  • 3-Bromocarbazole

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    30918
    CAS Number:
    1592-95-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00222621
    Molecular Formula:
    C12H8BrN
    Molecular Weight:
    246.11
    Specification Sheet SDS

  • 4-Phenylphenol

    Hazmat
    Purity:
    ≥ 99%(GC)
    Synonym:
    p-Hydroxybiphenyl
    Hazmat
    Catalog Number:
    30991
    CAS Number:
    92-69-3
    Purity Limit:
    ≥ 99%(GC)
    MDL NO:
    MFCD00002347
    Molecular Formula:
    C12H10O
    Molecular Weight:
    170.21
    SDS

  • 4,7-Dibromo-2,1,3-benzothiadiazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    31144
    CAS Number:
    15155-41-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00658844
    Molecular Formula:
    C6H2Br2N2S
    Molecular Weight:
    293.96
    SDS

  • 2-Bromodibenzofuran

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-Bromodibenzo[b,d]furan
    Catalog Number:
    31058
    CAS Number:
    86-76-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00092338
    Molecular Formula:
    C12H7BrO
    Molecular Weight:
    247.09
    Specification Sheet SDS

  • 11,12-Dihydroindolo[2,3-a]carbazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    31138
    CAS Number:
    60511-85-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD07371389
    Molecular Formula:
    C18H12N2
    Molecular Weight:
    256.31
    Specification Sheet SDS

  • 9,9-Dimethyl-9H-xanthene (purified by sublimation)

    Purity:
    ≥ 99% (GC)
    Synonym:
    9,9-Dimethylxanthene (purified by sublimation)
    Catalog Number:
    31120
    CAS Number:
    19814-75-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00134434
    Molecular Formula:
    C15H14O
    Molecular Weight:
    210.28
    Specification Sheet SDS

  • 2-(4-Bromophenyl)-1-phenylbenzimidazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    31146
    CAS Number:
    2620-76-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09261342
    Molecular Formula:
    C19H13BrN2
    Molecular Weight:
    349.23
    SDS

  • 5-Bromo-7H-benzo[c]carbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    31140
    CAS Number:
    131409-18-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD30063204
    Molecular Formula:
    C16H10BrN
    Molecular Weight:
    296.17
    SDS

  • 4-Bromodibenzofuran

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4-Bromodibenzo[b,d]furan
    Catalog Number:
    31059
    CAS Number:
    89827-45-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00185685
    Molecular Formula:
    C12H7BrO
    Molecular Weight:
    247.09
    Specification Sheet SDS

  • 4,4'-Diiodobiphenyl

    Hazmat
    Purity:
    ≥ 99%(GC, HPLC)
    Synonym:
    p,p'-Diiodobiphenyl
    Hazmat
    Catalog Number:
    30995
    CAS Number:
    3001-15-8
    Purity Limit:
    ≥ 99%(GC, HPLC)
    MDL NO:
    MFCD00001057
    Molecular Formula:
    C12H8I2
    Molecular Weight:
    406.0
    SDS

  • 4,6-Dibromodibenzofuran

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    31061
    CAS Number:
    201138-91-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00185686
    Molecular Formula:
    C12H6Br2O
    Molecular Weight:
    325.99
    SDS

  • 3′-Methoxyacetophenone

    Purity:
    ≥ 99% (GC)
    Synonym:
    3-Acetylanisole
    Catalog Number:
    30858
    CAS Number:
    586-37-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00008736
    Molecular Formula:
    C9H10O2
    Molecular Weight:
    150.18
    Specification Sheet SDS

  • 4-(4-Bromophenyl)dibenzofuran

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    31062
    CAS Number:
    955959-84-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD19441306
    Molecular Formula:
    C18H11BrO
    Molecular Weight:
    323.19
    SDS

  • 4-Amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylic acid

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    4-Amino-5-chlorocoumaran-7-carboxylic acid
    Catalog Number:
    31028
    CAS Number:
    123654-26-2
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD12923204
    Molecular Formula:
    C9H8ClNO3
    Molecular Weight:
    213.62
    SDS

  • 4,6-Dibromodibenzothiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    31053
    CAS Number:
    669773-34-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD18451473
    Molecular Formula:
    C12H6Br2S
    Molecular Weight:
    342.05
    SDS

  • 2-Bromo-9-fluorenone

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    30895
    CAS Number:
    3096-56-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00010789
    Molecular Formula:
    C13H7BrO
    Molecular Weight:
    259.1
    Specification Sheet SDS

  • 3-Amino-4-bromo-1H-pyrazole

    Purity:
    ≥ 98%(T, GC)
    Synonym:
    4-Bromo-1H-pyrazol-3-ylamine
    Catalog Number:
    31044
    CAS Number:
    16461-94-2
    Purity Limit:
    ≥ 98%(T, GC)
    MDL NO:
    MFCD00053070
    Molecular Formula:
    C3H4BrN3
    Molecular Weight:
    161.99
    SDS

  • 2-Aminobiphenyl

    Purity:
    ≥ 99% (GC)
    Synonym:
    o-Phenylaniline
    Catalog Number:
    30984
    CAS Number:
    90-41-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00007701
    Molecular Formula:
    C12H11N
    Molecular Weight:
    169.23
    Specification Sheet SDS

  • 2,8-Dibromodibenzofuran

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    31060
    CAS Number:
    10016-52-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00093683
    Molecular Formula:
    C12H6Br2O
    Molecular Weight:
    325.99
    SDS

  • 9-(3-Bromophenyl)carbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    30937
    CAS Number:
    185112-61-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD20486475
    Molecular Formula:
    C18H12BrN
    Molecular Weight:
    322.21
    SDS

  • 2,7-Dibromocarbazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    30925
    CAS Number:
    136630-39-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD09033507
    Molecular Formula:
    C12H7Br2N
    Molecular Weight:
    325.0
    SDS

  • Ethoxybenzene

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Phenetole
    Hazmat
    Catalog Number:
    30856
    CAS Number:
    103-73-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00009090
    Molecular Formula:
    C8H10O
    Molecular Weight:
    122.17
    Specification Sheet SDS

  • 2-Chloro-9H-carbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    30920
    CAS Number:
    10537-08-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01444890
    Molecular Formula:
    C12H8ClN
    Molecular Weight:
    201.65
    SDS

  • 3-(3,5-Dibromophenyl)-9-phenyl-9H-carbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    30940
    CAS Number:
    1345021-52-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD22571691
    Molecular Formula:
    C24H15Br2N
    Molecular Weight:
    477.2
    Specification Sheet SDS

  • 2-Chloro-3',4'-difluoroacetophenone

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    31023
    CAS Number:
    51336-95-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03966888
    Molecular Formula:
    C8H5ClF2O
    Molecular Weight:
    190.57
    Specification Sheet SDS

  • 3-Iodo-9-phenylcarbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    30934
    CAS Number:
    502161-03-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09261276
    Molecular Formula:
    C18H12IN
    Molecular Weight:
    369.21
    SDS

  • 3,3'-Bicarbazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    30942
    CAS Number:
    1984-49-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD11046470
    Molecular Formula:
    C24H16N2
    Molecular Weight:
    332.41
    Specification Sheet SDS

  • 2-Bromocarbazole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-Bromo-9H-carbazole
    Catalog Number:
    30917
    CAS Number:
    3652-90-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD09750430
    Molecular Formula:
    C12H8BrN
    Molecular Weight:
    246.1
    Specification Sheet SDS

  • 3-Bromo-6,9-diphenylcarbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    30935
    CAS Number:
    1160294-85-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD20257783
    Molecular Formula:
    C24H16BrN
    Molecular Weight:
    398.3
    SDS

  • 9-(2-Bromophenyl)-9H-carbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    30936
    CAS Number:
    902518-11-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD23135883
    Molecular Formula:
    C18H12BrN
    Molecular Weight:
    322.21
    SDS

  • 9-Phenylcarbazole-2-boronic acid

    Purity:
    97 - 105% (Assay by titration)
    Synonym:
    (9-Phenyl-9H-carbazol-2-yl)boronic acid
    Catalog Number:
    30956
    CAS Number:
    1001911-63-2
    Purity Limit:
    97 - 105% (Assay by titration)
    MDL NO:
    MFCD22207050
    Molecular Formula:
    C18H14BNO2
    Molecular Weight:
    287.13
    Specification Sheet SDS

  • 1-Bromo-3,5-dimethylbenzene

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    5-Bromo-m-xylene
    Hazmat
    Catalog Number:
    30881
    CAS Number:
    556-96-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00000087
    Molecular Formula:
    C8H9Br
    Molecular Weight:
    185.07
    Specification Sheet SDS

  • 9-(4-Bromophenyl)-3,6-di-tert-butylcarbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    30929
    CAS Number:
    601454-33-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD11617971
    Molecular Formula:
    C26H28BrN
    Molecular Weight:
    434.42
    SDS

  • 9-n-Octyl-2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)carbazole

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    9-n-Octyl-2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)carbazole
    Catalog Number:
    30964
    CAS Number:
    406726-92-9
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD23703114
    Molecular Formula:
    C32H47B2NO4
    Molecular Weight:
    531.35
    Specification Sheet SDS

  • 3-Bromo-9-phenylcarbazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    30933
    CAS Number:
    1153-85-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD11977305
    Molecular Formula:
    C18H12BrN
    Molecular Weight:
    322.21
    SDS

  • 4-(9H-Carbazol-9-yl)phenylboronic acid (contains varying amounts of Anhydride)

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    4-(9H-Carbazol-9-yl)benzeneboronic acid (contains varying amounts of anhydride)
    Catalog Number:
    30969
    CAS Number:
    419536-33-7
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD13176534
    Molecular Formula:
    C18H14BNO2
    Molecular Weight:
    287.13
    Specification Sheet SDS
Back to top