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Building Blocks

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

  • 1,6-Diaminohexane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    1,6-Diaminohexane
    Hazmat
    Catalog Number:
    07374
    CAS Number:
    124-09-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00008243
    Molecular Formula:
    C6H16N2
    Molecular Weight:
    116.2
    Specification Sheet SDS

  • Cystamine dihydrochloride

    Purity:
    ≥ 98% (Titration)
    Synonym:
    2,2'-Diaminodiethyl disulfide dihydrochloride
    Catalog Number:
    05024
    CAS Number:
    56-17-7
    Purity Limit:
    ≥ 98% (Titration)
    MDL NO:
    MFCD00012905
    Molecular Formula:
    C4H12N2S2·2HCl
    Molecular Weight:
    225.2
    Specification Sheet SDS

  • 2-Nitrobenzaldehyde

    Purity:
    ≥ 99% (GC)
    Synonym:
    2-Formylnitrobenzene
    Catalog Number:
    04896
    CAS Number:
    552-89-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00007132
    Molecular Formula:
    C7H5NO3
    Molecular Weight:
    151.12
    Specification Sheet SDS

  • 1,3-Dimethylurea

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    N,N'-Dimethylurea
    Catalog Number:
    02542
    CAS Number:
    96-31-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00008286
    Molecular Formula:
    C3H8N2O
    Molecular Weight:
    88.11
    Specification Sheet SDS

  • Phenylhydrazine hydrochloride

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Hydrazinobenzene hydrochloride
    Hazmat
    Catalog Number:
    02348
    CAS Number:
    59-88-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00012924
    Molecular Formula:
    C6H8N2·HCl
    Molecular Weight:
    144.61
    Specification Sheet SDS

  • Sodium 2-mercaptoethanesulfonate

    Purity:
    ≥ 98% (Assay)
    Synonym:
    2-Mercaptoethanesulfonic acid sodium salt
    Catalog Number:
    02329
    CAS Number:
    19767-45-4
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00007535
    Molecular Formula:
    C2H5NaO3S2
    Molecular Weight:
    164.17
    Specification Sheet SDS

  • Dicyclohexylamine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    DCHA
    Hazmat
    Catalog Number:
    02300
    CAS Number:
    101-83-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00011658
    Molecular Formula:
    C12H23N
    Molecular Weight:
    181.32
    Specification Sheet SDS

  • Benzamidine hydrochloride, anhydrous

    Grade:
    Ultra Pure Grade
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Benzenecarboximidamide hydrochloride
    Catalog Number:
    02005
    Grade:
    Ultra Pure Grade
    CAS Number:
    1670-14-0, 477904-89-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00013025
    Molecular Formula:
    C7H8N2·HCl
    Molecular Weight:
    156.61
    Specification Sheet SDS

  • Salicylic acid

    Grade:
    ACS reagent
    Purity:
    ≥ 99% (Assay)
    Synonym:
    2-Hydroxybenzoic acid
    Catalog Number:
    01498
    Grade:
    ACS reagent
    CAS Number:
    69-72-7
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00002439
    Molecular Formula:
    C7H6O3
    Molecular Weight:
    138.12
    Specification Sheet SDS

  • Phloroglucinol dihydrate

    Purity:
    ≥ 99% (Assay on dried basis)
    Synonym:
    1,3,5-Trihydroxybenzene dihydrate
    Catalog Number:
    01479
    CAS Number:
    6099-90-7
    Purity Limit:
    ≥ 99% (Assay on dried basis)
    MDL NO:
    MFCD00149090
    Molecular Formula:
    C6H6O3·2H2O
    Molecular Weight:
    162.1
    Specification Sheet SDS

  • Fumaric acid

    Hazmat
    Purity:
    99.5 - 100.5% (Assay)
    Synonym:
    trans-2-Butenedioic acid
    Hazmat
    Catalog Number:
    01448
    CAS Number:
    110-17-8
    Purity Limit:
    99.5 - 100.5% (Assay)
    MDL NO:
    MFCD00002700
    Molecular Formula:
    C4H4O4
    Molecular Weight:
    116.07
    Specification Sheet SDS

  • 2-Iodopropane contains copper as stabilizer

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Isopropyl iodide
    Hazmat
    Catalog Number:
    00790
    CAS Number:
    75-30-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00001071
    Molecular Formula:
    C3H7I
    Molecular Weight:
    169.99
    Specification Sheet SDS

  • Acetamidomalonic acid diethyl ester

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Diethyl acetamidomalonate
    Catalog Number:
    00744
    CAS Number:
    1068-90-2
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00009146
    Molecular Formula:
    C9H15NO5
    Molecular Weight:
    217.2
    Specification Sheet SDS

  • 2-Amino-2-methyl-1-propanol

    Purity:
    ≥ 93% (Assay)
    Synonym:
    AMP
    Catalog Number:
    00681
    CAS Number:
    124-68-5
    Purity Limit:
    ≥ 93% (Assay)
    MDL NO:
    MFCD00008051
    Molecular Formula:
    C4H11NO
    Molecular Weight:
    89.14
    Specification Sheet SDS

  • 2-Amino-2-(hydroxymethyl)-1,3-propanediol

    Purity:
    99.8-100.1% (Assay, dried basis)
    Synonym:
    Tris(hydroxymethyl)aminomethane
    Catalog Number:
    00679
    CAS Number:
    77-86-1
    Purity Limit:
    99.8-100.1% (Assay, dried basis)
    MDL NO:
    MFCD00004679
    Molecular Formula:
    C4H11NO3
    Molecular Weight:
    121.1
    Specification Sheet SDS

  • 2-Amino-2-methyl-1,3-propanediol

    Grade:
    High purity
    Purity:
    103 - 107% (Assay by titration)
    Synonym:
    AMPD
    Catalog Number:
    00460
    Grade:
    High purity
    CAS Number:
    115-69-5
    Purity Limit:
    103 - 107% (Assay by titration)
    MDL NO:
    MFCD00004678
    Molecular Formula:
    C4H11NO2
    Molecular Weight:
    105.14
    Specification Sheet SDS

  • Benzyl alcohol

    Hazmat
    Purity:
    ≥ 99.80% (GC)
    Synonym:
    Benzenemethanol
    Hazmat
    Catalog Number:
    00371
    CAS Number:
    100-51-6
    Purity Limit:
    ≥ 99.80% (GC)
    MDL NO:
    MFCD00004599
    Molecular Formula:
    C7H8O
    Molecular Weight:
    108.14
    Specification Sheet SDS

  • Urea, prilled

    Grade:
    Meets USP specification
    Purity:
    98 - 102% (Assay)
    Synonym:
    Carbonyldiamide
    Catalog Number:
    00309
    Grade:
    Meets USP specification
    CAS Number:
    57-13-6
    Purity Limit:
    98 - 102% (Assay)
    MDL NO:
    MFCD00008022
    Molecular Formula:
    CH4N2O
    Molecular Weight:
    60.06
    Specification Sheet SDS

  • 2,4-Dinitrofluorobenzene

    Hazmat
    Purity:
    99 - 100% (HPLC)
    Synonym:
    1-Fluoro-2,4-dinitrobenzene
    Hazmat
    Catalog Number:
    00122
    CAS Number:
    70-34-8
    Purity Limit:
    99 - 100% (HPLC)
    MDL NO:
    MFCD00007056
    Molecular Formula:
    C6H3FN2O4
    Molecular Weight:
    186.1
    Specification Sheet SDS

  • α-Ketoglutaric acid disodium salt dihydrate

    Purity:
    ≥ 99% (Assay)
    Synonym:
    2-Oxoglutaric acid disodium salt dihydrate
    Catalog Number:
    00196
    CAS Number:
    305-72-6, 1282616-74-3
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00150702
    Molecular Formula:
    C5H4Na2O5·2H2O
    Molecular Weight:
    226.13
    Specification Sheet SDS

  • Adenine hydrochloride

    Purity:
    ≥ 99% (Assay)
    Synonym:
    6-Aminopurine hydrochoride
    Catalog Number:
    00005
    CAS Number:
    2922-28-3, 6055-72-7
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00075782
    Molecular Formula:
    C5H5N5·HCl
    Molecular Weight:
    171.6
    Specification Sheet SDS

  • 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

  • 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
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