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Building Blocks

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

  • Bis(trifluoromethane)sulfonimide lithium salt

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    Bis(trifluoromethylsulfonyl)amine lithium salt
    Hazmat
    Catalog Number:
    31488
    CAS Number:
    90076-65-6
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00210017
    Molecular Formula:
    C2F6LiNO4S2
    Molecular Weight:
    287.08
    Specification Sheet SDS

  • Trichloroacetonitrile

    Hazmat
    Purity:
    ≥ 99.5% (GC)
    Hazmat
    Catalog Number:
    31525
    CAS Number:
    545-06-2
    Purity Limit:
    ≥ 99.5% (GC)
    MDL NO:
    MFCD00001842
    Molecular Formula:
    C2Cl3N
    Molecular Weight:
    144.39
    Specification Sheet SDS

  • Lauric acid

    Grade:
    FGK
    Purity:
    ≥ 99% (Assay)
    Catalog Number:
    30762
    Grade:
    FGK
    CAS Number:
    143-07-7
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00002736
    Molecular Formula:
    C12H24O2
    Molecular Weight:
    200.32
    Specification Sheet SDS

  • Trimethylamine hydrochloride

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Trimethylammonium chloride
    Catalog Number:
    30724
    CAS Number:
    593-81-7
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00012478
    Molecular Formula:
    C3H9N·HCl
    Molecular Weight:
    95.57
    Specification Sheet SDS

  • 4'-Methylpropiophenone

    Purity:
    ≥ 98.5% (Assay)
    Catalog Number:
    30414
    CAS Number:
    5337-93-9
    Purity Limit:
    ≥ 98.5% (Assay)
    MDL NO:
    MFCD00009312
    Molecular Formula:
    C10H12O
    Molecular Weight:
    148.2
    Specification Sheet SDS

  • Valerophenone

    Purity:
    ≥ 99% (GC)
    Synonym:
    Butyl phenyl ketone
    Catalog Number:
    30357
    CAS Number:
    1009-14-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00009480
    Molecular Formula:
    C11H14O
    Molecular Weight:
    162.23
    Specification Sheet SDS

  • Triethyl orthopropionate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Orthopropionic acid triethyl ester
    Hazmat
    Catalog Number:
    30368
    CAS Number:
    115-80-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00009226
    Molecular Formula:
    C9H20O3
    Molecular Weight:
    176.25
    Specification Sheet SDS

  • Sodium L-tartrate dibasic dihydrate

    Grade:
    ACS reagent
    Purity:
    99 - 101% (Assay by titration)
    Synonym:
    Sodium tartrate dihydrate
    Catalog Number:
    30221
    Grade:
    ACS reagent
    CAS Number:
    6106-24-7
    Purity Limit:
    99 - 101% (Assay by titration)
    MDL NO:
    MFCD00150035
    Molecular Formula:
    (CHOHCOONa)2·2H2O
    Molecular Weight:
    230.08
    Specification Sheet SDS

  • Succinic acid

    Purity:
    ≥ 99.9% (Assay)
    Synonym:
    Butanedioic acid
    Catalog Number:
    30165
    CAS Number:
    110-15-6
    Purity Limit:
    ≥ 99.9% (Assay)
    MDL NO:
    MFCD00002789
    Molecular Formula:
    C4H6O4
    Molecular Weight:
    118.1
    Specification Sheet SDS

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

    Purity:
    ≥ 99.5% (Assay by titration)
    Synonym:
    tris(Hydroxymethyl)aminomethane
    Catalog Number:
    30136
    CAS Number:
    77-86-1
    Purity Limit:
    ≥ 99.5% (Assay by titration)
    MDL NO:
    MFCD00004679
    Molecular Formula:
    C4H11NO3
    Molecular Weight:
    121.1
    Specification Sheet SDS

  • Betaine hydrochloride

    Grade:
    Meets USP Specification
    Purity:
    98.0 - 100.5% (Assay on anhydrous basis)
    Synonym:
    (Carboxymethyl)trimethylammonium hydrochloride
    Catalog Number:
    29816
    Grade:
    Meets USP Specification
    CAS Number:
    590-46-5
    Purity Limit:
    98.0 - 100.5% (Assay on anhydrous basis)
    MDL NO:
    MFCD00011903
    Molecular Formula:
    C5H11NO2·HCl
    Molecular Weight:
    153.61
    Specification Sheet SDS

  • Fluorene

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Diphenylenemethane
    Hazmat
    Catalog Number:
    29755
    CAS Number:
    86-73-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00001111
    Molecular Formula:
    C13H10
    Molecular Weight:
    166.22
    Specification Sheet SDS

  • 2-Acetamido-2-deoxy-β-D-glucopyranosyl azide 3,4,6-triacetate

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    28218
    CAS Number:
    6205-69-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00216968
    Molecular Formula:
    C14H20N4O8
    Molecular Weight:
    372.33
    Specification Sheet SDS

  • 1H-Indazole-3-carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Indazole-3-carboxylic acid
    Catalog Number:
    28202
    CAS Number:
    4498-67-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00211066
    Molecular Formula:
    C8H6N2O2
    Molecular Weight:
    162.15
    Specification Sheet SDS

  • 2-Ethyl-4-methyl-1H-imidazole-1-propanenitrile

    Purity:
    ≥ 95% (GC)
    Synonym:
    1-(2-Cyanoethyl)-2-ethyl-4-methylimidazole
    Catalog Number:
    27687
    CAS Number:
    23996-25-0
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00051492
    Molecular Formula:
    C9H13N3
    Molecular Weight:
    163.22
    Specification Sheet SDS

  • n-Propylbenzene

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    1-Phenylpropane
    Hazmat
    Catalog Number:
    27219
    CAS Number:
    103-65-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00009377
    Molecular Formula:
    C9H12
    Molecular Weight:
    120.19
    Specification Sheet SDS

  • 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

  • 2,6-Dibromo-4-nitrophenol

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    27114
    CAS Number:
    99-28-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00007334
    Molecular Formula:
    C6H3Br2NO3
    Molecular Weight:
    296.9
    Specification Sheet SDS

  • N-Ethyl-2-pyrrolidinone

    Purity:
    ≥ 99.50% (GC)
    Synonym:
    1-Ethyl-2-pyrrolidone
    Catalog Number:
    26864
    CAS Number:
    2687-91-4
    Purity Limit:
    ≥ 99.50% (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

  • Gramine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    3-(Dimethylaminomethyl)indole
    Catalog Number:
    26961
    CAS Number:
    87-52-5
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00005629
    Molecular Formula:
    C11H14N2
    Molecular Weight:
    174.25
    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

  • 4-Amino-3-hydrazino-5-mercapto-1,2,4-triazole

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4-Amino-3-hydrazino-4H-[1,2,4]triazole-5-thiol
    Hazmat
    Catalog Number:
    26856
    CAS Number:
    1750-12-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00003098
    Molecular Formula:
    C2H6N6S
    Molecular Weight:
    146.18
    Specification Sheet SDS

  • 4-Bromo-n-butyric acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Bromobutyric acid
    Catalog Number:
    26847
    CAS Number:
    2623-87-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00002817
    Molecular Formula:
    C4H7BrO2
    Molecular Weight:
    167.0
    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

  • 3,5-Dinitrobenzoyl chloride

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    3,5-Dinitrobenzoic acid chloride
    Hazmat
    Catalog Number:
    24526
    CAS Number:
    99-33-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00007248
    Molecular Formula:
    C7H3ClN2O5
    Molecular Weight:
    230.56
    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

  • 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

  • 2,3-Pyrazinedicarboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Pyrazine-2,3-dicarboxylic acid
    Catalog Number:
    21247
    CAS Number:
    89-01-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00006131
    Molecular Formula:
    C6H4N2O4
    Molecular Weight:
    168.11
    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

  • 4-Nitrobenzoic acid

    Purity:
    ≥ 98.5% (assay)
    Synonym:
    1-Carboxy-4-nitrobenzene
    Catalog Number:
    15136
    CAS Number:
    62-23-7
    Purity Limit:
    ≥ 98.5% (assay)
    MDL NO:
    MFCD00007352
    Molecular Formula:
    C7H5NO4
    Molecular Weight:
    167.12
    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
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