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Building Blocks

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

  • Allyl phenyl carbonate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Carbonic acid allyl phenyl ester
    Catalog Number:
    37328
    CAS Number:
    16308-68-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD07784342
    Molecular Formula:
    C10H10O3
    Molecular Weight:
    178.19
    Specification Sheet SDS

  • Cyclohexanone dimethyl ketal

    Hazmat
    Purity:
    ≥ 96% (GC)
    Synonym:
    1,1-Dimethoxycyclohexane
    Hazmat
    Catalog Number:
    37318
    CAS Number:
    933-40-4
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00043714
    Molecular Formula:
    C8H16O2
    Molecular Weight:
    144.21
    Specification Sheet SDS

  • 1,2-Bis(trimethylsilylthio)ethane

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    Ethylenedithiobis(trimethylsilane)
    Hazmat
    Catalog Number:
    37321
    CAS Number:
    51048-29-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00042832
    Molecular Formula:
    C8H22S2Si2
    Molecular Weight:
    238.57
    Specification Sheet SDS

  • 2-Chloro-1,3,2-dioxaphospholane

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    Ethylene chlorophosphite
    Hazmat
    Catalog Number:
    37312
    CAS Number:
    822-39-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00014511
    Molecular Formula:
    C2H4ClO2P
    Molecular Weight:
    126.48
    Specification Sheet SDS

  • 2-Chloro-1,3,2-benzodioxaphosphorin-4-one

    Hazmat
    Purity:
    ≥ 97% (Assay by titration)
    Synonym:
    Salicyl chlorophosphite
    Hazmat
    Catalog Number:
    37311
    CAS Number:
    5381-99-7
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00013353
    Molecular Formula:
    C7H4ClO3P
    Molecular Weight:
    202.53
    Specification Sheet SDS

  • Barium 2-cyanoethylphosphate hydrate

    Hazmat
    Purity:
    ≥ 98% (AT)
    Synonym:
    2-Cyanoethyl phosphate barium salt hydrate
    Hazmat
    Catalog Number:
    37310
    CAS Number:
    207121-42-4
    Purity Limit:
    ≥ 98% (AT)
    MDL NO:
    MFCD00150047
    Molecular Formula:
    C3H4BaNO4P·xH2O
    Molecular Weight:
    286.37
    Specification Sheet SDS

  • 2-(Trimethylsilyl)-1,3-dithiane

    Purity:
    ≥ 99% (GC)
    Synonym:
    1,3-Dithian-2-yltrimethylsilane
    Catalog Number:
    37287
    CAS Number:
    13411-42-2
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006655
    Molecular Formula:
    C7H16S2Si
    Molecular Weight:
    192.41
    Specification Sheet SDS

  • 2,6-Dichloropyridine N-oxide

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    37295
    CAS Number:
    2587-00-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00130246
    Molecular Formula:
    C5H3Cl2NO
    Molecular Weight:
    163.99
    Specification Sheet SDS

  • 1-Methyl-3-[6-(methylsulfinyl)hexyl]imidazolium p-toluenesulfonate

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    37297
    CAS Number:
    1352947-66-0
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD27976828
    Molecular Formula:
    C18H28N2O4S2
    Molecular Weight:
    400.55
    Specification Sheet SDS

  • 1,3-Diiodo-5,5-dimethylhydantoin

    Hazmat
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    DIH
    Hazmat
    Catalog Number:
    37242
    CAS Number:
    2232-12-4
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00020867
    Molecular Formula:
    C5H6I2N2O2
    Molecular Weight:
    379.92
    Specification Sheet SDS

  • 1,2-Dibromotetrachloroethane

    Purity:
    ≥ 97% (GC)
    Synonym:
    1,2-Dibromo-1,1,2,2-tetrachloroethane
    Catalog Number:
    37238
    CAS Number:
    630-25-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00000780
    Molecular Formula:
    C2Br2Cl4
    Molecular Weight:
    325.64
    Specification Sheet SDS

  • Dimethyl(methylthio)sulfonium tetrafluoroborate

    Hazmat
    Purity:
    ≥ 97% (Assay by titration)
    Synonym:
    DMTSF
    Hazmat
    Catalog Number:
    37230
    CAS Number:
    5799-67-7
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00011806
    Molecular Formula:
    C3H9S2·BF4
    Molecular Weight:
    196.04
    Specification Sheet SDS

  • 2,4,4,6-Tetrabromo-2,5-cyclohexadienone

    Purity:
    ≥ 97% (Assay by titration)
    Synonym:
    TBCO
    Catalog Number:
    37240
    CAS Number:
    20244-61-5
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00001589
    Molecular Formula:
    C6H2Br4O
    Molecular Weight:
    409.7
    Specification Sheet SDS

  • Trichloromethanesulfonyl chloride

    Hazmat
    Purity:
    ≥ 95% (Assay by titration)
    Hazmat
    Catalog Number:
    37234
    CAS Number:
    2547-61-7
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD00007452
    Molecular Formula:
    CCl4O2S
    Molecular Weight:
    217.87
    Specification Sheet SDS

  • 2,3-Butanedione monoxime

    Purity:
    ≥ 99% (GC)
    Synonym:
    Diacetyl monoxime
    Catalog Number:
    37226
    CAS Number:
    57-71-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00002116
    Molecular Formula:
    C4H7NO2
    Molecular Weight:
    101.1
    Specification Sheet SDS

  • Rhodanine

    Purity:
    ≥ 98% (Assay by titration, GC)
    Synonym:
    2-Thioxo-4-thiazolidinone
    Catalog Number:
    37228
    CAS Number:
    141-84-4
    Purity Limit:
    ≥ 98% (Assay by titration, GC)
    MDL NO:
    MFCD00005488
    Molecular Formula:
    C3H3NOS2
    Molecular Weight:
    133.19
    Specification Sheet SDS

  • 4-Formylmorpholine

    Purity:
    ≥ 99% (GC)
    Synonym:
    4-Morpholinecarboxaldehyde
    Catalog Number:
    37218
    CAS Number:
    4394-85-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006170
    Molecular Formula:
    C5H9NO2
    Molecular Weight:
    115.13
    Specification Sheet SDS

  • Diethyl phenyl orthoformate

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Orthoformic acid diethyl phenyl ester
    Hazmat
    Catalog Number:
    37223
    CAS Number:
    14444-77-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00009228
    Molecular Formula:
    C11H16O3
    Molecular Weight:
    196.25
    Specification Sheet SDS

  • N-Methylformanilide

    Purity:
    ≥ 99% (GC)
    Synonym:
    N-Formyl-N-methylaniline
    Catalog Number:
    37221
    CAS Number:
    93-61-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00003283
    Molecular Formula:
    C8H9NO
    Molecular Weight:
    135.17
    Specification Sheet SDS

  • 2,2,2-Trifluoroethyl formate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Formic acid 2,2,2-trifluoroethyl ester
    Hazmat
    Catalog Number:
    37224
    CAS Number:
    32042-38-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD06797733
    Molecular Formula:
    C3H3F3O2
    Molecular Weight:
    128.05
    Specification Sheet SDS

  • (Dimethylaminomethyleneaminomethylene)dimethylammonium chloride

    Purity:
    ≥ 95% (Assay by titration, HPLC)
    Synonym:
    [3-(Dimethylamino)-2-azaprop-2-en-1-ylidene]dimethylammonium chloride
    Catalog Number:
    37220
    CAS Number:
    20353-93-9
    Purity Limit:
    ≥ 95% (Assay by titration, HPLC)
    MDL NO:
    MFCD00011793
    Molecular Formula:
    C6H14ClN3
    Molecular Weight:
    163.65
    Specification Sheet SDS

  • 1-Formylpiperidine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    N-Carbaldehyde piperidine
    Hazmat
    Catalog Number:
    37219
    CAS Number:
    2591-86-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006483
    Molecular Formula:
    C6H11NO
    Molecular Weight:
    113.16
    Specification Sheet SDS

  • Ethyl N-phenylformimidate

    Purity:
    ≥ 97% (GC)
    Synonym:
    N-Ethoxymethyleneaniline
    Catalog Number:
    37217
    CAS Number:
    6780-49-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00043655
    Molecular Formula:
    C9H11NO
    Molecular Weight:
    149.19
    Specification Sheet SDS

  • 2,2,2-Trifluoroethyl p-toluenesulfonate

    Purity:
    ≥ 99% (Assay by titration, GC)
    Synonym:
    p-Toluenesulfonic acid 2,2,2-trifluoroethyl ester
    Catalog Number:
    37212
    CAS Number:
    433-06-7
    Purity Limit:
    ≥ 99% (Assay by titration, GC)
    MDL NO:
    MFCD00000443
    Molecular Formula:
    C9H9F3O3S
    Molecular Weight:
    254.22
    Specification Sheet SDS

  • 2,3,4,5,6-Pentafluorobenzoyl chloride

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Pentafluorobenzoic acid chloride
    Hazmat
    Catalog Number:
    37211
    CAS Number:
    2251-50-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00000657
    Molecular Formula:
    C7ClF5O
    Molecular Weight:
    230.52
    Specification Sheet SDS

  • Perfluorobutyryl chloride

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Heptafluorobutyryl chloride
    Hazmat
    Catalog Number:
    37209
    CAS Number:
    375-16-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00000707
    Molecular Formula:
    C4ClF7O
    Molecular Weight:
    232.48
    Specification Sheet SDS

  • Methyl chlorodifluoroacetate

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    Chlorodifluoroacetic acid methyl ester
    Hazmat
    Catalog Number:
    37207
    CAS Number:
    1514-87-0
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00000775
    Molecular Formula:
    C3H3ClF2O2
    Molecular Weight:
    144.5
    Specification Sheet SDS

  • Chlorodifluoroacetic anhydride

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Hazmat
    Catalog Number:
    37206
    CAS Number:
    2834-23-3
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00000774
    Molecular Formula:
    C4Cl2F4O3
    Molecular Weight:
    242.93
    Specification Sheet SDS

  • 2-Methyl-3-butyn-2-ol

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Dimethyl ethynyl carbinol
    Hazmat
    Catalog Number:
    37201
    CAS Number:
    115-19-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00004467
    Molecular Formula:
    C5H8O
    Molecular Weight:
    84.12
    Specification Sheet SDS

  • Tetrafluoro-1,4-benzoquinone

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    p-Fluoranil
    Catalog Number:
    37190
    CAS Number:
    527-21-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00001592
    Molecular Formula:
    C6F4O2
    Molecular Weight:
    180.06
    Specification Sheet SDS

  • Benzyl thiocyanate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Benzyl rhodanide
    Hazmat
    Catalog Number:
    37197
    CAS Number:
    3012-37-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00001832
    Molecular Formula:
    C8H7NS
    Molecular Weight:
    149.22
    Specification Sheet SDS

  • 4-Trifluoromethylbenzoic anhydride

    Purity:
    ≥ 97% (NMR)
    Catalog Number:
    37180
    CAS Number:
    25753-16-6
    Purity Limit:
    ≥ 97% (NMR)
    MDL NO:
    MFCD00671577
    Molecular Formula:
    C16H8F6O3
    Molecular Weight:
    362.23
    Specification Sheet SDS

  • 2,6-Di-tert-butyl-1,4-benzoquinone

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,6-Di-tert-butyl-p-quinone
    Catalog Number:
    37189
    CAS Number:
    719-22-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00001601
    Molecular Formula:
    C14H20O2
    Molecular Weight:
    220.31
    Specification Sheet SDS

  • Trifluoromethanesulfonanilide

    Hazmat
    Purity:
    ≥ 98% (Assay by titration, HPLC)
    Synonym:
    1,1,1-Trifluoro-N-phenylmethanesulfonamide
    Hazmat
    Catalog Number:
    37185
    CAS Number:
    456-64-4
    Purity Limit:
    ≥ 98% (Assay by titration, HPLC)
    MDL NO:
    MFCD00521820
    Molecular Formula:
    C7H6F3NO2S
    Molecular Weight:
    225.19
    Specification Sheet SDS

  • 4-Nitrophenyl trifluoromethanesulfonate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    4-Nitrophenyl triflate
    Hazmat
    Catalog Number:
    37183
    CAS Number:
    17763-80-3
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00192354
    Molecular Formula:
    C7H4F3NO5S
    Molecular Weight:
    271.17
    Specification Sheet SDS

  • Triethyl orthoformate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Diethoxymethoxyethane
    Hazmat
    Catalog Number:
    36910
    CAS Number:
    122-51-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00009230
    Molecular Formula:
    C7H16O3
    Molecular Weight:
    148.2
    Specification Sheet SDS

  • 2-Methyl-6-nitrobenzoic anhydride

    Purity:
    ≥ 98% (Asay by titration)
    Synonym:
    6-Nitro-o-toluic anhydride
    Catalog Number:
    37178
    CAS Number:
    434935-69-0
    Purity Limit:
    ≥ 98% (Asay by titration)
    MDL NO:
    MFCD06797117
    Molecular Formula:
    C16H12N2O7
    Molecular Weight:
    344.28
    Specification Sheet SDS

  • 2,4,6-Trichlorobenzoyl chloride

    Hazmat
    Purity:
    ≥ 99% (Assay by titration, GC)
    Hazmat
    Catalog Number:
    37179
    CAS Number:
    4136-95-2
    Purity Limit:
    ≥ 99% (Assay by titration, GC)
    MDL NO:
    MFCD00075323
    Molecular Formula:
    C7H2Cl4O
    Molecular Weight:
    243.89
    Specification Sheet SDS

  • 1,4,7,10-Tetraazacyclododecane tetrahydrochloride

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    Cyclen tetrahydrochloride
    Catalog Number:
    37167
    CAS Number:
    10045-25-7
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00068484
    Molecular Formula:
    C8H20N4·4HCl
    Molecular Weight:
    318.11
    Specification Sheet SDS

  • 1,4,8,11-Tetrathiacyclotetradecane

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    37168
    CAS Number:
    24194-61-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00010048
    Molecular Formula:
    C10H20S4
    Molecular Weight:
    268.51
    Specification Sheet SDS

  • Dibutyl N,N-diethylcarbamoylmethylphosphonate

    Purity:
    ≥ 98%
    Synonym:
    N,N-Diethylcarbamoylmethylphosphonic acid dibutyl ester
    Catalog Number:
    37150
    CAS Number:
    7439-68-1
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00015240
    Molecular Formula:
    C14H30NO4P
    Molecular Weight:
    307.37
    Specification Sheet SDS

  • Methyliminodiacetic acid

    Purity:
    ≥ 98% (Assay by titration, GC)
    Catalog Number:
    37144
    CAS Number:
    4408-64-4
    Purity Limit:
    ≥ 98% (Assay by titration, GC)
    MDL NO:
    MFCD00004284
    Molecular Formula:
    C5H9NO4
    Molecular Weight:
    147.13
    Specification Sheet SDS

  • N,N-Bis(phosphonomethyl)glycine

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    N-(Carboxymethyl)iminodi(methylphosphinic acid)
    Hazmat
    Catalog Number:
    37143
    CAS Number:
    2439-99-8
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00056670
    Molecular Formula:
    C4H11NO8P2
    Molecular Weight:
    263.08
    Specification Sheet SDS

  • Ethylenediaminetetraacetic acid zinc disodium salt

    Purity:
    ≥ 98% (Assay by titration on anhydrous basis)
    Synonym:
    Disodium zinc ethylenediaminetetraacetate
    Catalog Number:
    37140
    CAS Number:
    14025-21-9
    Purity Limit:
    ≥ 98% (Assay by titration on anhydrous basis)
    MDL NO:
    MFCD00135187
    Molecular Formula:
    C10H12N2Na2O8Zn
    Molecular Weight:
    399.57
    Specification Sheet SDS

  • Ethylenediaminetetraacetic acid manganese disodium salt hydrate

    Purity:
    ≥ 95% (AT)
    Synonym:
    Manganese disodium ethylenediaminetetraacetate hydrate
    Catalog Number:
    37139
    CAS Number:
    15375-84-5
    Purity Limit:
    ≥ 95% (AT)
    MDL NO:
    MFCD00054451
    Molecular Formula:
    C10H12MnN2Na2O8·xH2O
    Molecular Weight:
    389.13
    Specification Sheet SDS

  • Tris(dimethylamino)phosphine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Hexamethylphosphorous triamide
    Hazmat
    Catalog Number:
    37117
    CAS Number:
    1608-26-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00008301
    Molecular Formula:
    C6H18N3P
    Molecular Weight:
    163.2
    Specification Sheet SDS

  • 4-Amino-4H-1,2,4-triazole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4H-1,2,4-Triazol-4-amine
    Catalog Number:
    37118
    CAS Number:
    584-13-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00003099
    Molecular Formula:
    C2H4N4
    Molecular Weight:
    84.08
    Specification Sheet SDS

  • 4-Azido-2,3,5,6-tetrafluorobenzoic acid

    Purity:
    ≥ 99% (HPLC, TLC)
    Synonym:
    ATFB
    Catalog Number:
    37071
    CAS Number:
    122590-77-6
    Purity Limit:
    ≥ 99% (HPLC, TLC)
    MDL NO:
    MFCD00467436
    Molecular Formula:
    C7HF4N3O2
    Molecular Weight:
    235.1
    Specification Sheet SDS

  • 1,4-Dichloro-2-butyne

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    37084
    CAS Number:
    821-10-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00000981
    Molecular Formula:
    C4H4Cl2
    Molecular Weight:
    122.98
    Specification Sheet SDS

  • 1-Ethylpyrrolidine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    37085
    CAS Number:
    7335-06-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD01632186
    Molecular Formula:
    C6H13N
    Molecular Weight:
    99.18
    Specification Sheet SDS
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