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Building Blocks

7870
Sub Categories
Fluorinated Building Blocks 1631
Heterocyclic Building Blocks 3724
Non-Heterocyclic Building Blocks 2574

  • 1,3-Dinitrobenzene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    49339
    CAS Number:
    99-65-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00007222
    Molecular Formula:
    C6H4N2O4
    Molecular Weight:
    168.11
    Specification Sheet

  • 2-Chlorobenzonitrile

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    o-Chlorobenzonitrile
    Hazmat
    Catalog Number:
    49313
    CAS Number:
    873-32-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00001779
    Molecular Formula:
    C7H4ClN
    Molecular Weight:
    137.57
    Specification Sheet

  • 1,4-Dichlorobutane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Tetramethylene dichloride
    Hazmat
    Catalog Number:
    49221
    CAS Number:
    110-56-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00001011
    Molecular Formula:
    C4H8Cl2
    Molecular Weight:
    127.01
    Specification Sheet

  • 1,2-Dibromopropane

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Propylene dibromide
    Hazmat
    Catalog Number:
    49225
    CAS Number:
    78-75-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00000148
    Molecular Formula:
    C3H6Br2
    Molecular Weight:
    201.89
    Specification Sheet SDS

  • 2-Bromobutane

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    sec-Butyl bromide
    Hazmat
    Catalog Number:
    49227
    CAS Number:
    78-76-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00000156
    Molecular Formula:
    C4H9Br
    Molecular Weight:
    137.03
    Specification Sheet

  • 2-Bromopropane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Isopropyl bromide
    Hazmat
    Catalog Number:
    49230
    CAS Number:
    75-26-3
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00000147
    Molecular Formula:
    C3H7Br
    Molecular Weight:
    122.99
    Specification Sheet

  • 3-Bromophenol

    Purity:
    ≥ 98% (GC)
    Synonym:
    m-Bromophenol
    Catalog Number:
    49218
    CAS Number:
    591-20-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00002253
    Molecular Formula:
    C6H5BrO
    Molecular Weight:
    173.01
    Specification Sheet SDS

  • 2,4,6-Trimethoxybenzoic acid

    Purity:
    ≥ 98% (NMR)
    Catalog Number:
    49133
    CAS Number:
    570-02-5
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD00016497
    Molecular Formula:
    C10H12O5
    Molecular Weight:
    212.2
    Specification Sheet SDS

  • 2,4-Dinitrophenylhydrazine hydrochloride

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Hazmat
    Catalog Number:
    47488
    CAS Number:
    55907-61-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00050688
    Molecular Formula:
    C6H6N4O4·HCl
    Molecular Weight:
    234.6
    Specification Sheet SDS

  • 3-Cyanopyridine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    3-Pyridinecarbonitrile
    Catalog Number:
    46568
    CAS Number:
    100-54-9
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00006372
    Molecular Formula:
    C6H4N2
    Molecular Weight:
    104.11
    Specification Sheet SDS

  • Calcium 4-methyl-2-oxovalerate

    Purity:
    98.5 - 102.0% (Assay, on anhydrous basis)
    Synonym:
    α-Ketoleucine calcium salt
    Catalog Number:
    46573
    CAS Number:
    51828-95-6
    Purity Limit:
    98.5 - 102.0% (Assay, on anhydrous basis)
    MDL NO:
    MFCD00795059
    Molecular Formula:
    C12H18CaO6·H2O
    Molecular Weight:
    316.36
    Specification Sheet SDS

  • Pentafluorobenzonitrile

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Perfluorobenzonitrile
    Hazmat
    Catalog Number:
    46091
    CAS Number:
    773-82-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00001775
    Molecular Formula:
    C7F5N
    Molecular Weight:
    193.08
    Specification Sheet SDS

  • 3-(3-Fluorophenyl)propionic acid

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    45454
    CAS Number:
    458-45-7
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD01310821
    Molecular Formula:
    C9H9FO2
    Molecular Weight:
    168.17
    Specification Sheet SDS

  • 2,3,5,6-Tetrafluoro-4-hydroxybenzoic acid

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    45401
    CAS Number:
    652-34-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00129952
    Molecular Formula:
    C7H2F4O3
    Molecular Weight:
    210.08
    Specification Sheet SDS

  • Methyl fluoroacetate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Fluoroacetic acid methyl ester
    Hazmat
    Catalog Number:
    45286
    CAS Number:
    453-18-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00040096
    Molecular Formula:
    C3H5FO2
    Molecular Weight:
    92.07
    Specification Sheet SDS

  • 5,7-Diiodo-8-hydroxyquinoline

    Grade:
    meets USP specification
    Purity:
    96.0 - 100.5% (Assay by titration)
    Synonym:
    5,7-Diiodooxine
    Catalog Number:
    44903
    Grade:
    meets USP specification
    CAS Number:
    83-73-8
    Purity Limit:
    96.0 - 100.5% (Assay by titration)
    MDL NO:
    MFCD00006789
    Molecular Formula:
    C9H5I2NO
    Molecular Weight:
    396.95
    Specification Sheet SDS

  • 5-Iodouracil

    Purity:
    ≥ 98% (Assay)
    Catalog Number:
    44839
    CAS Number:
    696-07-1
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00006020
    Molecular Formula:
    C4H3IN2O2
    Molecular Weight:
    237.98
    Specification Sheet SDS

  • 5-Amino-4,6-dichloro-2-(propylthio)pyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44838
    CAS Number:
    145783-15-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD16875503
    Molecular Formula:
    C7H9Cl2N3S
    Molecular Weight:
    238.13
    Specification Sheet SDS

  • 4-Chloro-7-chlorosulfonyl-2,1,3-benzoxadiazole [Bifunctional Fluorescent Reagent]

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Chloro-2,1,3-benzoxadiazole-7-sulfonyl chloride
    Hazmat
    Catalog Number:
    44554
    CAS Number:
    142246-48-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00191405
    Molecular Formula:
    C6H2Cl2N2O3S
    Molecular Weight:
    253.05
    Specification Sheet SDS

  • 8-Hydroxyquinoline-5-sulfonic acid monohydrate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Oxine-5-sulfonic acid monohydrate
    Catalog Number:
    43909
    CAS Number:
    283158-18-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006795
    Molecular Formula:
    C9H7NO4S·H2O
    Molecular Weight:
    243.24
    Specification Sheet SDS

  • 1-(2-Aminoethyl)pyrrolidine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    43832
    CAS Number:
    7154-73-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00003182
    Molecular Formula:
    C6H14N2
    Molecular Weight:
    114.19
    Specification Sheet SDS

  • 4,6-Dimethoxy-2-(methylsulfonyl)pyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43704
    CAS Number:
    113583-35-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00672151
    Molecular Formula:
    C7H10N2O4S
    Molecular Weight:
    218.23
    Specification Sheet SDS

  • 2,6-Dimethyl-g-pyrone

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,6-Dimethyl-4H-pyran-4-one
    Catalog Number:
    43548
    CAS Number:
    1004-36-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006579
    Molecular Formula:
    C7H8O2
    Molecular Weight:
    124.14
    Specification Sheet SDS

  • 4-Piperidinemethanol

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    4-(Hydroxymethyl)piperidine
    Hazmat
    Catalog Number:
    43479
    CAS Number:
    6457-49-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00174228
    Molecular Formula:
    C6H13NO
    Molecular Weight:
    115.18
    Specification Sheet SDS

  • Piperazine dihydrochloride monohydrate

    Purity:
    ≥ 98%
    Catalog Number:
    43353
    CAS Number:
    142-64-3
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00012754
    Molecular Formula:
    C4H10N2·2HCl·H2O
    Molecular Weight:
    177.07
    Specification Sheet SDS

  • 5,6,7,7a-Tetrahydrothieno[3,2-c]pyridin-2(4H)-one hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43199
    CAS Number:
    115473-15-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD11111130
    Molecular Formula:
    C7H9NOS·HCl
    Molecular Weight:
    191.67
    Specification Sheet SDS

  • Xanthane hydride

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    43157
    CAS Number:
    6846-35-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00051660
    Molecular Formula:
    C2H2N2S3
    Molecular Weight:
    150.23
    Specification Sheet SDS

  • 1-Methyl-2-phenylindole

    Purity:
    ≥ 99%
    Catalog Number:
    43003
    CAS Number:
    3558-24-5
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00022892
    Molecular Formula:
    C15H13N
    Molecular Weight:
    207.28
    Specification Sheet SDS

  • Tetrahydrofurfuryl alcohol

    Purity:
    ≥ 98%
    Synonym:
    THFA
    Catalog Number:
    42871
    CAS Number:
    97-99-4
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00005372
    Molecular Formula:
    C5H10O2
    Molecular Weight:
    102.13
    Specification Sheet SDS

  • 3-Cyanoumbelliferone

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-Cyano-7-hydroxycoumarin
    Catalog Number:
    42789
    CAS Number:
    19088-73-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037480
    Molecular Formula:
    C10H5NO3
    Molecular Weight:
    187.15
    Specification Sheet SDS

  • 5-Benzotriazolecarboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    5-Carboxybenzotriazole
    Catalog Number:
    42705
    CAS Number:
    23814-12-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00012318
    Molecular Formula:
    C7H5N3O2
    Molecular Weight:
    163.14
    Specification Sheet SDS

  • 1,2,3-Benzotriazole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Azimidobenzene
    Catalog Number:
    42704
    CAS Number:
    95-14-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005699
    Molecular Formula:
    C6H5N3
    Molecular Weight:
    119.13
    Specification Sheet SDS

  • Methyl-1H-benzotriazole (mixture)

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42703
    CAS Number:
    29385-43-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00167158
    Molecular Formula:
    C7H7N3
    Molecular Weight:
    133.15
    Specification Sheet SDS

  • Potassium acetate

    Grade:
    Molecular Biology Grade
    Purity:
    ≥ 99.5% (Assay)
    Synonym:
    Acetic acid potassium salt
    Catalog Number:
    42550
    Grade:
    Molecular Biology Grade
    CAS Number:
    127-08-2
    Purity Limit:
    ≥ 99.5% (Assay)
    MDL NO:
    MFCD00012458
    Molecular Formula:
    C2H3KO2
    Molecular Weight:
    98.14
    Specification Sheet SDS

  • Benzylamine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    42394
    CAS Number:
    100-46-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00008106
    Molecular Formula:
    C7H9N
    Molecular Weight:
    107.16
    Specification Sheet SDS

  • Lithium acetoacetate

    Purity:
    99 - 101% (Assay by titration)
    Synonym:
    Acetoacetic acid lithium salt
    Catalog Number:
    42227
    CAS Number:
    3483-11-2
    Purity Limit:
    99 - 101% (Assay by titration)
    MDL NO:
    MFCD00013060
    Molecular Formula:
    C4H5LiO3
    Molecular Weight:
    108.02
    Specification Sheet SDS

  • Bis[3,4,6-trichloro-2-(pentyloxycarbonyl)phenyl] oxalate

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Oxalic acid bis[3,4,6-trichloro-2-(pentyloxycarbonyl)phenyl] ester
    Catalog Number:
    41690
    CAS Number:
    30431-54-0
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00191674
    Molecular Formula:
    C26H24Cl6O8
    Molecular Weight:
    677.17
    Specification Sheet SDS

  • 1,2-Phenylenediamine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    1,2-Diaminobenzene
    Hazmat
    Catalog Number:
    40899
    CAS Number:
    95-54-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00007721
    Molecular Formula:
    C6H8N2
    Molecular Weight:
    108.14
    Specification Sheet SDS

  • Glutaraldehyde (24-26% in Water)

    Hazmat
    Purity:
    Concentration 25 - 28 % by titration
    Synonym:
    Pentane-1,5-dial
    Hazmat
    Catalog Number:
    39703
    CAS Number:
    111-30-8
    Purity Limit:
    Concentration 25 - 28 % by titration
    MDL NO:
    MFCD00007025
    Molecular Formula:
    C5H8O2
    Molecular Weight:
    100.12
    Specification Sheet SDS

  • Glutaraldehyde (ca. 50% in Water, ca. 5.6mol/L)

    Hazmat
    Synonym:
    Glutaric dialdehyde solution
    Hazmat
    Catalog Number:
    39698
    CAS Number:
    111-30-8
    MDL NO:
    MFCD00007025
    Molecular Formula:
    C5H8O2
    Molecular Weight:
    100.12
    Specification Sheet SDS

  • o-Sulfobenzimide

    Purity:
    ≥ 99% (Assay by titration, HPLC)
    Synonym:
    o-Benzoic Sulfimide
    Catalog Number:
    39306
    CAS Number:
    81-07-2
    Purity Limit:
    ≥ 99% (Assay by titration, HPLC)
    MDL NO:
    MFCD00005866
    Molecular Formula:
    C7H5NO3S
    Molecular Weight:
    183.18
    Specification Sheet SDS

  • Nerolidol (cis- and trans- mixture)

    Purity:
    ≥ 97% (GC)
    Synonym:
    3,7,11-Trimethyl-1,6,10-dodecatrien-3-ol (cis- and trans- mixture)
    Catalog Number:
    39247
    CAS Number:
    7212-44-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00008911
    Molecular Formula:
    C15H26O
    Molecular Weight:
    222.37
    Specification Sheet SDS

  • trans-2-Nonenal

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    39132
    CAS Number:
    18829-56-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00007012
    Molecular Formula:
    C9H16O
    Molecular Weight:
    140.23
    Specification Sheet SDS

  • Ethyl valerate

    Hazmat
    Purity:
    ≥ 98% (Assay)
    Synonym:
    Valeric acid ethyl ester
    Hazmat
    Catalog Number:
    39121
    CAS Number:
    539-82-2
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00009479
    Molecular Formula:
    C7H14O2
    Molecular Weight:
    130.19
    Specification Sheet SDS

  • Dodecyl stearate

    Purity:
    ≥ 60% (GC)
    Synonym:
    Stearic acid dodecyl ester
    Catalog Number:
    39086
    CAS Number:
    5303-25-3
    Purity Limit:
    ≥ 60% (GC)
    MDL NO:
    MFCD00059290
    Molecular Formula:
    C30H60O2
    Molecular Weight:
    452.81
    Specification Sheet SDS

  • Stearoyl chloride

    Hazmat
    Purity:
    ≥ 97% (Assay by titration, GC)
    Synonym:
    Octadecanoyl chloride
    Hazmat
    Catalog Number:
    39089
    CAS Number:
    112-76-5
    Purity Limit:
    ≥ 97% (Assay by titration, GC)
    MDL NO:
    MFCD00000744
    Molecular Formula:
    C18H35ClO
    Molecular Weight:
    302.93
    Specification Sheet SDS

  • Decanal diethyl acetal

    Purity:
    ≥ 98% (GC)
    Synonym:
    1,1-Diethoxydecane
    Catalog Number:
    38947
    CAS Number:
    34764-02-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00672804
    Molecular Formula:
    C14H30O2
    Molecular Weight:
    230.39
    Specification Sheet SDS

  • Butyraldehyde

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Butanal
    Hazmat
    Catalog Number:
    38921
    CAS Number:
    123-72-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00007023
    Molecular Formula:
    C4H8O
    Molecular Weight:
    72.11
    Specification Sheet SDS

  • Methyl acetoacetate

    Purity:
    ≥ 99%
    Synonym:
    Acetoacetic acid methyl ester
    Catalog Number:
    38918
    CAS Number:
    105-45-3
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00008784
    Molecular Formula:
    C5H8O3
    Molecular Weight:
    116.12
    Specification Sheet SDS

  • Adipoyl chloride

    Hazmat
    Purity:
    ≥ 99% (Assay by titration, GC)
    Synonym:
    Adipyl chloride
    Hazmat
    Catalog Number:
    38916
    CAS Number:
    111-50-2
    Purity Limit:
    ≥ 99% (Assay by titration, GC)
    MDL NO:
    MFCD00000759
    Molecular Formula:
    C6H8Cl2O2
    Molecular Weight:
    183.03
    Specification Sheet SDS
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