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Building Blocks

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

  • Succinimide

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2,5-Diketopyrrolidene
    Catalog Number:
    24498
    CAS Number:
    123-56-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005495
    Molecular Formula:
    C4H5NO2
    Molecular Weight:
    99.09
    Specification Sheet SDS

  • 3,5-Dimethylpyrazole

    Purity:
    ≥ 99.5% (HPLC)
    Catalog Number:
    24489
    CAS Number:
    67-51-6
    Purity Limit:
    ≥ 99.5% (HPLC)
    MDL NO:
    MFCD00005243
    Molecular Formula:
    C5H8N2
    Molecular Weight:
    96.13
    Specification Sheet SDS

  • 1-(Trimethylsilyl)imidazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    N-Trimethylsilylimidazole
    Catalog Number:
    24490
    CAS Number:
    18156-74-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005280
    Molecular Formula:
    C6H12N2Si
    Molecular Weight:
    140.26
    Specification Sheet SDS

  • (±)-Epichlorohydrin

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    1-Chloro-2,3-epoxypropane
    Hazmat
    Catalog Number:
    24484
    CAS Number:
    106-89-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005132
    Molecular Formula:
    C3H5ClO
    Molecular Weight:
    92.52
    Specification Sheet SDS

  • Dibenzothiazine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Phenothiazine
    Catalog Number:
    24482
    CAS Number:
    92-84-2
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00005015
    Molecular Formula:
    C12H9NS
    Molecular Weight:
    199.28
    Specification Sheet SDS

  • 2-Mercaptobenzoic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Thiosalicylic acid
    Catalog Number:
    24480
    CAS Number:
    147-93-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00004836
    Molecular Formula:
    C7H6O2S
    Molecular Weight:
    154.19
    Specification Sheet SDS

  • Phenyl isothiocyanate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    24479
    CAS Number:
    103-72-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00004798
    Molecular Formula:
    C7H5NS
    Molecular Weight:
    135.19
    Specification Sheet SDS

  • 2,3,4,5,6-Pentafluorobenzaldehyde

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Perfluorobenzaldehyde
    Hazmat
    Catalog Number:
    24467
    CAS Number:
    653-37-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00003303
    Molecular Formula:
    C7HF5O
    Molecular Weight:
    196.07
    Specification Sheet SDS

  • p-Anisaldehyde

    Purity:
    ≥ 99% (Assay)
    Synonym:
    4-Methoxybenzaldehyde
    Catalog Number:
    24468
    CAS Number:
    123-11-5
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00003385
    Molecular Formula:
    C8H8O2
    Molecular Weight:
    136.15
    Specification Sheet SDS

  • 2-Iodobenzoic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    o-Iodobenzoic acid
    Catalog Number:
    24457
    CAS Number:
    88-67-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00002419
    Molecular Formula:
    C7H5IO2
    Molecular Weight:
    248.01
    Specification Sheet SDS

  • 1-Bromo-3-chloropropane

    Hazmat
    Purity:
    ≥ 99.5% (GC)
    Synonym:
    3-Bromopropyl chloride
    Hazmat
    Catalog Number:
    24449
    CAS Number:
    109-70-6
    Purity Limit:
    ≥ 99.5% (GC)
    MDL NO:
    MFCD00000998
    Molecular Formula:
    C3H6BrCl
    Molecular Weight:
    157.44
    Specification Sheet SDS

  • 3-Butenyl bromide

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Bromo-but-1-ene
    Hazmat
    Catalog Number:
    24439
    CAS Number:
    5162-44-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00000258
    Molecular Formula:
    C4H7Br
    Molecular Weight:
    135.0
    Specification Sheet SDS

  • 2'-Iodoacetanilide

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    N-(2-Iodophenyl)acetamide
    Catalog Number:
    23255
    CAS Number:
    19591-17-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00099251
    Molecular Formula:
    C8H8INO
    Molecular Weight:
    261.06
    Specification Sheet SDS

  • 4-Benzylpiperidine

    Purity:
    ≥ 99% (GC)
    Synonym:
    4-(Phenylmethyl)piperidine
    Catalog Number:
    23231
    CAS Number:
    31252-42-3
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006006
    Molecular Formula:
    C12H17N
    Molecular Weight:
    175.27
    Specification Sheet SDS

  • 2-(Trimethylsilyl)ethanol

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    (2-Hydroxyethyl)trimethylsilane
    Hazmat
    Catalog Number:
    23185
    CAS Number:
    2916-68-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00002825
    Molecular Formula:
    C5H14OSi
    Molecular Weight:
    118.25
    Specification Sheet SDS

  • 3-Maleimidopropionic acid NHS

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    BMPS
    Catalog Number:
    23010
    CAS Number:
    55750-62-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00043141
    Molecular Formula:
    C11H10N2O6
    Molecular Weight:
    266.21
    Specification Sheet SDS

  • Sodium diphenylaminesulfonate

    Grade:
    ACS reagent
    Synonym:
    4-(Phenylamino)benzenesulfonic acid sodium salt
    Catalog Number:
    22969
    Grade:
    ACS reagent
    CAS Number:
    6152-67-6
    MDL NO:
    MFCD00036468
    Molecular Formula:
    C12H10NO3SNa
    Molecular Weight:
    271.27
    Specification Sheet SDS

  • Barium diphenylamine sulfonate

    Grade:
    ACS reagent
    Synonym:
    4-(Phenylamino)benzenesulfonic acid barium salt
    Catalog Number:
    22970
    Grade:
    ACS reagent
    CAS Number:
    6211-24-1
    MDL NO:
    MFCD00007497
    Molecular Formula:
    C12H10NO3S)2Ba
    Molecular Weight:
    633.89
    Specification Sheet SDS

  • Chromotropic acid disodium salt dihydrate

    Grade:
    ACS reagent
    Synonym:
    1,8-Dihydroxy-3,6-naphthalenedisulfonic acid disodium salt dihydrate
    Catalog Number:
    22943
    Grade:
    ACS reagent
    CAS Number:
    5808-22-0
    MDL NO:
    MFCD00150612
    Molecular Formula:
    C10H6O8S2·2Na·2H2O
    Molecular Weight:
    400.29
    Specification Sheet SDS

  • Biuret

    Purity:
    ≥ 97% (Assay)
    Synonym:
    Allophanic acid amide
    Catalog Number:
    22844
    CAS Number:
    108-19-0
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD00007946
    Molecular Formula:
    C2H5N3O2
    Molecular Weight:
    103.08
    Specification Sheet SDS

  • 1-Pentanesulfonic acid sodium salt anhydrous, suitable for Ion-Pair Chromatography

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Sodium 1-pentanesulfonate
    Catalog Number:
    22839
    CAS Number:
    22767-49-3
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00007541
    Molecular Formula:
    C5H11O3SNa
    Molecular Weight:
    174.2
    Specification Sheet SDS

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

    Purity:
    ≥ 99% (Titration: anhydrous basis)
    Synonym:
    Sodium 1-butanesulfonate
    Catalog Number:
    22838
    CAS Number:
    2386-54-1
    Purity Limit:
    ≥ 99% (Titration: anhydrous basis)
    MDL NO:
    MFCD00007540
    Molecular Formula:
    C4H9O3SNa
    Molecular Weight:
    160.17
    Specification Sheet SDS

  • 1-Amino-2-naphthol-4-sulfonic acid

    Purity:
    ≥ 99% (Assay)
    Synonym:
    2-Hydroxy-4-sulfo-1-naphthylamine
    Catalog Number:
    22805
    CAS Number:
    116-63-2
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00004019
    Molecular Formula:
    C10H9NO4S
    Molecular Weight:
    239.25
    Specification Sheet SDS

  • N-Methyldiethylamine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    22533
    CAS Number:
    616-39-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00009049
    Molecular Formula:
    CH3N(C2H5)2
    Molecular Weight:
    87.16
    Specification Sheet SDS

  • α-Phenyllactic acid

    Purity:
    ≥ 99.5% (Assay by titration)
    Synonym:
    2-Hydroxy-2-phenylpropanoic acid
    Catalog Number:
    22474
    CAS Number:
    515-30-0
    Purity Limit:
    ≥ 99.5% (Assay by titration)
    MDL NO:
    MFCD00004451
    Molecular Formula:
    C6H5C(CH3)(OH)CO2H·0.5H2O
    Molecular Weight:
    175.18
    Specification Sheet SDS

  • 3-Cyclohexene carboxylic acid

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    22460
    CAS Number:
    4771-80-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00013781
    Molecular Formula:
    C6H10CO2H
    Molecular Weight:
    126.15
    Specification Sheet SDS

  • Behenic acid

    Purity:
    ≥ 95% (GC)
    Synonym:
    Docosanoic acid
    Catalog Number:
    22283
    CAS Number:
    112-85-6
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00002807
    Molecular Formula:
    C22H44O2
    Molecular Weight:
    340.59
    Specification Sheet SDS

  • 2,3-Dimethylindole

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2,3-Dimethyl-1H-indole
    Catalog Number:
    22059
    CAS Number:
    91-55-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00005617
    Molecular Formula:
    C10H11N
    Molecular Weight:
    145.2
    Specification Sheet SDS

  • Aminoacetaldehyde dimethyl acetal

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    1-Amino-2,2-dimethoxyethane
    Hazmat
    Catalog Number:
    21988
    CAS Number:
    22483-09-6
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00008135
    Molecular Formula:
    C4H11NO2
    Molecular Weight:
    105.14
    Specification Sheet SDS

  • Suberic acid

    Purity:
    ≥ 99% (GC)
    Synonym:
    1,6-Hexanedicarboxylic acid
    Catalog Number:
    21945
    CAS Number:
    505-48-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00004428
    Molecular Formula:
    C8H14O4
    Molecular Weight:
    174.2
    Specification Sheet SDS

  • 2-(4-Hydroxyphenyl)ethylamine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Tyramine
    Catalog Number:
    21913
    CAS Number:
    51-67-2
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00008193
    Molecular Formula:
    C8H11NO
    Molecular Weight:
    137.18
    Specification Sheet SDS

  • Diphenylacetic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Lgc' (2406)
    Catalog Number:
    21909
    CAS Number:
    117-34-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00004251
    Molecular Formula:
    C14H12O2
    Molecular Weight:
    212.25
    Specification Sheet SDS

  • Anthrone

    Grade:
    ACS reagent
    Synonym:
    9,10-Dihydro-9-ketoanthracene
    Catalog Number:
    21906
    Grade:
    ACS reagent
    CAS Number:
    90-44-8
    MDL NO:
    MFCD00001187
    Molecular Formula:
    C14H10O
    Molecular Weight:
    194.23
    Specification Sheet SDS

  • 5-Benzyloxyindole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    5-Benzyloxy-1H-indole
    Catalog Number:
    21882
    CAS Number:
    1215-59-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005676
    Molecular Formula:
    C15H13NO
    Molecular Weight:
    223.27
    Specification Sheet SDS

  • Umbelliferone

    Purity:
    98.5 - 101.5% (Assay by titration)
    Synonym:
    7-Hydroxycoumarin
    Catalog Number:
    21876
    CAS Number:
    93-35-6
    Purity Limit:
    98.5 - 101.5% (Assay by titration)
    MDL NO:
    MFCD00006878
    Molecular Formula:
    C9H6O3
    Molecular Weight:
    162.14
    Specification Sheet SDS

  • Indole-3-Carboxylic acid

    Purity:
    ≥ 99% (Assay)
    Synonym:
    1H-Indole-3-carboxylic acid
    Catalog Number:
    21865
    CAS Number:
    771-50-6
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00005624
    Molecular Formula:
    C9H7NO2
    Molecular Weight:
    161.16
    Specification Sheet SDS

  • 4-Bromoindole

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    4-Bromo-1H-indole
    Catalog Number:
    21855
    CAS Number:
    52488-36-5
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD00671502
    Molecular Formula:
    C8H6BrN
    Molecular Weight:
    196.05
    Specification Sheet SDS

  • 7-Hydroxy-4-methylcoumarin

    Purity:
    ≥ 95% (Assay)
    Synonym:
    4-Methyl-7-hydroxycoumarin
    Catalog Number:
    21860
    CAS Number:
    90-33-5
    Purity Limit:
    ≥ 95% (Assay)
    MDL NO:
    MFCD00006866
    Molecular Formula:
    C10H8O3
    Molecular Weight:
    176.17
    Specification Sheet SDS

  • Indole-3-propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-(1H-Indol-3-yl)propanoic acid
    Catalog Number:
    21845
    CAS Number:
    830-96-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00005660
    Molecular Formula:
    C11H11NO2
    Molecular Weight:
    189.21
    Specification Sheet SDS

  • Indole-3-carboxaldehyde

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1H-Indole-3-carbaldehyde
    Catalog Number:
    21840
    CAS Number:
    487-89-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00005622
    Molecular Formula:
    C9H7NO
    Molecular Weight:
    145.16
    Specification Sheet SDS

  • 4-Hydroxyphenylpyruvic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3-(4-Hydroxyphenyl)-2-oxopropanoic acid
    Catalog Number:
    21573
    CAS Number:
    156-39-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00002591
    Molecular Formula:
    C9H8O4
    Molecular Weight:
    180.16
    Specification Sheet SDS

  • 4-Chloro-2-nitrotoluene

    Purity:
    ≥ 99% (GC)
    Synonym:
    2-Nitro-4-chlorotoluene
    Catalog Number:
    21236
    CAS Number:
    89-59-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00007215
    Molecular Formula:
    C7H6ClNO2
    Molecular Weight:
    171.58
    Specification Sheet SDS

  • 3,3'-Diindolylmethane

    Purity:
    ≥ 98% (Assay)
    Synonym:
    3-(1H-Indol-3-ylmethyl)-1H-indole
    Catalog Number:
    21231
    CAS Number:
    1968-05-4
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00195766
    Molecular Formula:
    C17H14N2
    Molecular Weight:
    246.31
    Specification Sheet SDS

  • 3-Acetoxy-5-bromoindole

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Bromo-1H-indol-3-yl acetate
    Catalog Number:
    21203
    CAS Number:
    17357-14-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037933
    Molecular Formula:
    C10H8BrNO2
    Molecular Weight:
    254.08
    Specification Sheet SDS

  • 5-Methoxy-2-methylindole

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Methoxy-2-methyl-1H-indole
    Catalog Number:
    21176
    CAS Number:
    1076-74-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00005620
    Molecular Formula:
    C10H11NO
    Molecular Weight:
    161.2
    Specification Sheet SDS

  • 2-(4-Trifluoromethyl-phenyl)ethylamine

    Purity:
    ≥ 99% (GC)
    Synonym:
    2-[4-(Trifluoromethyl)phenyl]ethanamine
    Catalog Number:
    19917
    CAS Number:
    775-00-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD01529875
    Molecular Formula:
    C9H10F3N
    Molecular Weight:
    189.18
    Specification Sheet SDS

  • 3-Phenyl-cyclohexanone

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    18038
    CAS Number:
    20795-53-3
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00209998
    Molecular Formula:
    C12H14O
    Molecular Weight:
    174.24
    Specification Sheet SDS

  • 3'-Chloro-2-bromopropiophenone

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Bromo-1-(3-chlorophenyl)propan-1-one
    Catalog Number:
    17443
    CAS Number:
    34911-51-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03701150
    Molecular Formula:
    C9H8BrClO
    Molecular Weight:
    247.52
    Specification Sheet SDS

  • 4-Hydroxybenzylamine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Aminomethyl-phenol
    Catalog Number:
    17203
    CAS Number:
    696-60-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00870499
    Molecular Formula:
    C7H9NO
    Molecular Weight:
    123.15
    Specification Sheet SDS

  • 1H-1,2,3-Triazole

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    16990
    CAS Number:
    288-36-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00014490
    Molecular Formula:
    C2H3N3
    Molecular Weight:
    69.07
    Specification Sheet SDS
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