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Building Blocks

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

  • Oxamide

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Oxalic acid diamide
    Catalog Number:
    27158
    CAS Number:
    471-46-5
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00008007
    Molecular Formula:
    C2H4N2O2
    Molecular Weight:
    88.07
    Specification Sheet SDS

  • 3-Bromoaniline

    Hazmat
    Purity:
    ≥ 98% (Assay)
    Synonym:
    m-Bromoaniline
    Hazmat
    Catalog Number:
    27143
    CAS Number:
    591-19-5
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00007757
    Molecular Formula:
    C6H6BrN
    Molecular Weight:
    172.02
    Specification Sheet SDS

  • N-Ethyl-2-pyrrolidinone

    Purity:
    ≥ 99.5% (GC)
    Synonym:
    1-Ethyl-2-pyrrolidone
    Catalog Number:
    26864
    CAS Number:
    2687-91-4
    Purity Limit:
    ≥ 99.5% (GC)
    MDL NO:
    MFCD00003199
    Molecular Formula:
    C6H11NO
    Molecular Weight:
    113.16
    Specification Sheet SDS

  • Benzophenone

    Hazmat
    Purity:
    ≥ 99.5% (Assay)
    Synonym:
    Diphenyl ketone
    Hazmat
    Catalog Number:
    26855
    CAS Number:
    119-61-9
    Purity Limit:
    ≥ 99.5% (Assay)
    MDL NO:
    MFCD00003076
    Molecular Formula:
    C13H10O
    Molecular Weight:
    182.22
    Specification Sheet SDS

  • Phthalimide

    Purity:
    ≥ 99% (GC)
    Synonym:
    1,3-Isoindolinedione
    Catalog Number:
    26967
    CAS Number:
    85-41-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005881
    Molecular Formula:
    C8H5NO2
    Molecular Weight:
    147.13
    Specification Sheet SDS

  • 2-Hydroxy-4-methoxybenzaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Hydroxy-4-anisaldehyde
    Catalog Number:
    26871
    CAS Number:
    673-22-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00003327
    Molecular Formula:
    C8H8O3
    Molecular Weight:
    152.15
    Specification Sheet SDS

  • 6-Bromohexanoyl chloride

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    26761
    CAS Number:
    22809-37-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00000761
    Molecular Formula:
    C6H10BrClO
    Molecular Weight:
    213.5
    Specification Sheet SDS

  • 1-Methyl-4-(methylamino)piperidine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    26717
    CAS Number:
    73579-08-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006498
    Molecular Formula:
    C7H16N2
    Molecular Weight:
    128.22
    Specification Sheet SDS

  • 1-Dodecanol

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    Dodecyl alcohol
    Hazmat
    Catalog Number:
    26713
    CAS Number:
    112-53-8
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00004753
    Molecular Formula:
    C12H26O
    Molecular Weight:
    186.33
    Specification Sheet SDS

  • 4-Bromo-7-azaindole        

    Hazmat
    Purity:
    ≥ 97%
    Synonym:
    4-Bromo-1H-pyrrolo[2,3-b]pyridine    
    Hazmat
    Catalog Number:
    24732
    CAS Number:
    348640-06-2  
    Purity Limit:
    ≥ 97%
    MDL NO:
    MFCD08272233
    Molecular Formula:
    C7H5BrN2
    Molecular Weight:
    197.04
    Specification Sheet SDS

  • 3,3'-Diaminobenzidine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3,3',4,4'-Biphenyltetramine
    Catalog Number:
    24531
    CAS Number:
    91-95-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00007725
    Molecular Formula:
    C12H14N4
    Molecular Weight:
    214.27
    Specification Sheet SDS

  • 2,2,6,6-Tetramethylpiperidine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Norpempidine
    Hazmat
    Catalog Number:
    24504
    CAS Number:
    768-66-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005985
    Molecular Formula:
    C9H19N
    Molecular Weight:
    141.26
    Specification Sheet SDS

  • Phloroglucinol (anhydrous)

    Grade:
    Meets EP specification
    Purity:
    99 - 101% (Assay by titration)
    Synonym:
    1,3,5-Trihydroxybenzene
    Catalog Number:
    24456
    Grade:
    Meets EP specification
    CAS Number:
    108-73-6
    Purity Limit:
    99 - 101% (Assay by titration)
    MDL NO:
    MFCD00002286
    Molecular Formula:
    C6H6O3
    Molecular Weight:
    126.11
    Specification Sheet SDS

  • Fast Garnet GBC Base

    Purity:
    ≥ 97% (Assay)
    Synonym:
    Solvent Yellow 3
    Catalog Number:
    22843
    CAS Number:
    97-56-3
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD00007733
    Molecular Formula:
    C14H15N3
    Molecular Weight:
    225.29
    Specification Sheet SDS

  • 1-Decanesulfonic acid sodium salt monohydrate , suitable for Ion-Pair Chromatography

    Purity:
    ≥ 99% (Assay by titration on dry basis)
    Synonym:
    Sodium 1-decanesulfonate monohydrate
    Catalog Number:
    22837
    CAS Number:
    13419-61-9
    Purity Limit:
    ≥ 99% (Assay by titration on dry basis)
    MDL NO:
    MFCD30491701
    Molecular Formula:
    C10H21NaO3S·H2O
    Molecular Weight:
    262.33
    Specification Sheet SDS

  • Dithizone

    Grade:
    ACS reagent
    Purity:
    ≥ 85% (UV)
    Synonym:
    Diphenylthiocarbazone
    Catalog Number:
    22788
    Grade:
    ACS reagent
    CAS Number:
    60-10-6
    Purity Limit:
    ≥ 85% (UV)
    MDL NO:
    MFCD00003025
    Molecular Formula:
    C13H12N4S
    Molecular Weight:
    256.33
    Specification Sheet SDS

  • 4-Phenylazophenol

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Solvent Yellow 7
    Catalog Number:
    22781
    CAS Number:
    1689-82-3
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00002330
    Molecular Formula:
    C12H10N2O
    Molecular Weight:
    198.22
    Specification Sheet SDS

  • Methyl indole-4-carboxylate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1H-Indole-4-carboxylic acid methyl ester
    Catalog Number:
    21954
    CAS Number:
    39830-66-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00191222
    Molecular Formula:
    C10H9NO2
    Molecular Weight:
    175.19
    Specification Sheet SDS

  • 4-Iodobenzaldehyde

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Iodobenzenecarbaldehyde
    Catalog Number:
    22320
    CAS Number:
    15164-44-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00039576
    Molecular Formula:
    IC6H4CHO
    Molecular Weight:
    232.02
    Specification Sheet SDS

  • 2,3,3-Trimethylindolenine

    Purity:
    ≥ 99% (GC)
    Synonym:
    2,3,3-Trimethyl-3H-indole
    Catalog Number:
    22011
    CAS Number:
    1640-39-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005724
    Molecular Formula:
    C11H13N
    Molecular Weight:
    159.23
    Specification Sheet SDS

  • 1,3-Propanesultone

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    1,2-Oxathiolane, 2,2-dioxide
    Hazmat
    Catalog Number:
    22005
    CAS Number:
    1120-71-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005355
    Molecular Formula:
    C3H6O3S
    Molecular Weight:
    122.14
    Specification Sheet SDS

  • Flavone

    Purity:
    ≥ 99%
    Synonym:
    2-Phenyl-4H-1-benzopyran-4-one
    Catalog Number:
    21953
    CAS Number:
    525-82-6
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00006825
    Molecular Formula:
    C15H10O2
    Molecular Weight:
    222.24
    Specification Sheet SDS

  • 4-Chlorophenylhydrazine hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1-(4-Chlorophenyl)hydrazine hydrochloride
    Catalog Number:
    21870
    CAS Number:
    1073-70-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00012943
    Molecular Formula:
    C6H7ClN2·HCl
    Molecular Weight:
    179.05
    Specification Sheet SDS

  • Kojic acid

    Purity:
    ≥ 99% (Assay)
    Synonym:
    2-Hydroxymethyl-5-hydroxy-1,4-pyrone
    Catalog Number:
    21857
    CAS Number:
    501-30-4
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00006580
    Molecular Formula:
    C6H6O4
    Molecular Weight:
    142.11
    Specification Sheet SDS

  • Harmine

    Purity:
    ≥ 99% (GC)
    Synonym:
    7-Methoxy-1-methyl-9H-pyrido[3,4-b]indole
    Catalog Number:
    21809
    CAS Number:
    442-51-3
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00004958
    Molecular Formula:
    C13H12N2O
    Molecular Weight:
    212.25
    Specification Sheet SDS

  • 2-Aminoethanethiol

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    2-Mercaptoethylamine
    Catalog Number:
    21200
    CAS Number:
    60-23-1
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00008196
    Molecular Formula:
    C2H7NS
    Molecular Weight:
    77.15
    Specification Sheet SDS

  • Tetrahydro-4H-pyran-4-one

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    4-Oxotetrahydropyran
    Hazmat
    Catalog Number:
    16995
    CAS Number:
    29943-42-8
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00006581
    Molecular Formula:
    C5H8O2
    Molecular Weight:
    100.12
    Specification Sheet SDS

  • Benzenesulfonyl chloride

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    14296
    CAS Number:
    98-09-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00007426
    Molecular Formula:
    C6H5ClO2S
    Molecular Weight:
    176.61
    Specification Sheet SDS

  • 2-Methylindole

    Purity:
    ≥ 99% (Assay)
    Synonym:
    α-Methylindole
    Catalog Number:
    12992
    CAS Number:
    95-20-5
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00005616
    Molecular Formula:
    C9H9N
    Molecular Weight:
    131.18
    Specification Sheet SDS

  • Acetanilide

    Purity:
    ≥ 99% (Assay)
    Synonym:
    N-Phenylacetamide
    Catalog Number:
    06813
    CAS Number:
    103-84-4
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00008674
    Molecular Formula:
    C8H9NO
    Molecular Weight:
    135.2
    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

  • Guanine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    2-Amino-6-hydroxypurine
    Catalog Number:
    00388
    CAS Number:
    73-40-5
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00071533
    Molecular Formula:
    C5H5N5O
    Molecular Weight:
    151.13
    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

  • 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
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