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Building Blocks

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

  • m-Toluic acid

    Purity:
    ≥ 99% (Assay)
    Synonym:
    m-Methylbenzoic acid
    Catalog Number:
    29915
    CAS Number:
    99-04-7
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00002523
    Molecular Formula:
    C8H8O2
    Molecular Weight:
    136.15
    Specification Sheet SDS

  • 3-(Methylthio)-1-propanol

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Methionol
    Hazmat
    Catalog Number:
    29789
    CAS Number:
    505-10-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00036560
    Molecular Formula:
    C4H10OS
    Molecular Weight:
    106.19
    Specification Sheet SDS

  • 1H-imidazole-4-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4(5)-Imidazolecarboxylic acid
    Catalog Number:
    29769
    CAS Number:
    1072-84-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00082203
    Molecular Formula:
    C4H4N2O2
    Molecular Weight:
    112.09
    Specification Sheet SDS

  • 4-Aminobenzyl alcohol

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-(Hydroxymethyl)aniline
    Catalog Number:
    29757
    CAS Number:
    623-04-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00014782
    Molecular Formula:
    C7H9NO
    Molecular Weight:
    123.15
    Specification Sheet SDS

  • 3-Amino-1,2,4-triazole-5-thiol

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    29088
    CAS Number:
    16691-43-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00005231
    Molecular Formula:
    C2H4N4S
    Molecular Weight:
    116.15
    Specification Sheet SDS

  • 5-Phenyl-2H-tetrazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    28506
    CAS Number:
    18039-42-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01451271
    Molecular Formula:
    C7H6N4
    Molecular Weight:
    146.15
    Specification Sheet SDS

  • 1-Boc-4-aminopiperidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    28471
    CAS Number:
    87120-72-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01076201
    Molecular Formula:
    C10H20N2O2
    Molecular Weight:
    200.28
    Specification Sheet SDS

  • 2-Ethyl-6-methylphenol

    Purity:
    ≥ 99% (GC)
    Synonym:
    6-Ethyl-m-cresol
    Catalog Number:
    28454
    CAS Number:
    1687-64-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00962292
    Molecular Formula:
    C9H12O
    Molecular Weight:
    136.19
    Specification Sheet SDS

  • 2-Mercaptobenzimidazole

    Hazmat
    Purity:
    ≥ 99.5%
    Hazmat
    Catalog Number:
    28342
    CAS Number:
    583-39-1
    Purity Limit:
    ≥ 99.5%
    MDL NO:
    MFCD00005593
    Molecular Formula:
    C7H6N2S
    Molecular Weight:
    150.2
    Specification Sheet SDS

  • 1-Z-Piperazine

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-(Benzyloxycarbonyl)piperazine
    Catalog Number:
    28315
    CAS Number:
    31166-44-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00274317
    Molecular Formula:
    C12H16N2O2
    Molecular Weight:
    220.27
    Specification Sheet SDS

  • 4-Bromopyridine hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    28252
    CAS Number:
    19524-06-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00012828
    Molecular Formula:
    C5H4BrN·HCl
    Molecular Weight:
    194.46
    Specification Sheet SDS

  • 5-Methyl-2H-tetrazole

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    28154
    CAS Number:
    4076-36-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00185824
    Molecular Formula:
    C2H4N4
    Molecular Weight:
    84.08
    Specification Sheet SDS

  • 4-Morpholinoaniline

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    28105
    CAS Number:
    2524-67-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006169
    Molecular Formula:
    C10H14N2O
    Molecular Weight:
    178.0
    Specification Sheet SDS

  • 2-Chloroethanesulfonic acid sodium salt hydrate

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Sodium 2-chloroethanesulfonate monohydrate
    Catalog Number:
    28025
    CAS Number:
    15484-44-3
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00149546
    Molecular Formula:
    C2H4ClO3SNa·H2O
    Molecular Weight:
    184.57
    Specification Sheet SDS

  • 2-Naphthalenesulfonic acid sodium salt

    Purity:
    ≥ 99.5% (HPLC)
    Synonym:
    Sodium 2-naphthalenesulfonate
    Catalog Number:
    27765
    CAS Number:
    532-02-5
    Purity Limit:
    ≥ 99.5% (HPLC)
    MDL NO:
    MFCD00064186
    Molecular Formula:
    C10H7O3SNa
    Molecular Weight:
    230.22
    Specification Sheet SDS

  • 4-(Hydroxymethyl)phenylacetic acid

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    27781
    CAS Number:
    73401-74-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00065692
    Molecular Formula:
    C9H10O3
    Molecular Weight:
    166.18
    Specification Sheet SDS

  • 3-Cyanocoumarin

    Purity:
    ≥97% (GC)
    Synonym:
    Coumarin-3-carbonitrile
    Catalog Number:
    27915
    CAS Number:
    15119-34-3
    Purity Limit:
    ≥97% (GC)
    MDL NO:
    MFCD00115699
    Molecular Formula:
    C10H5NO2
    Molecular Weight:
    171.15
    Specification Sheet SDS

  • 1-Ethylpiperazine

    Hazmat
    Purity:
    ≥ 99.7%
    Hazmat
    Catalog Number:
    27742
    CAS Number:
    5308-25-8
    Purity Limit:
    ≥ 99.7%
    MDL NO:
    MFCD00059912
    Molecular Formula:
    C6H14N2
    Molecular Weight:
    114.19
    Specification Sheet SDS

  • 2,2-Bis(3-amino-4-hydroxyphenyl)hexafluoropropane

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    27558
    CAS Number:
    83558-87-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00039147
    Molecular Formula:
    C15H12F6N2O2
    Molecular Weight:
    366.26
    Specification Sheet SDS

  • 1-Bromo-3-nitro-benzene

    Purity:
    ≥ 99% (GC)
    Synonym:
    3-Bromo-1-nitrobenzene
    Catalog Number:
    27497
    CAS Number:
    585-79-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00024298
    Molecular Formula:
    C6H4BrNO2
    Molecular Weight:
    202.01
    Specification Sheet SDS

  • 5-Hydroxyflavone

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Hydroxy-2-phenyl chromen-4-one
    Catalog Number:
    27425
    CAS Number:
    491-78-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00016944
    Molecular Formula:
    C15H10O3
    Molecular Weight:
    238.24
    Specification Sheet SDS

  • 4,6-Dihydroxypyrimidine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4,6-Pyrimidinediol
    Catalog Number:
    27415
    CAS Number:
    1193-24-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00016733
    Molecular Formula:
    C4H4N2O2
    Molecular Weight:
    112.09
    Specification Sheet SDS

  • 2,5-Furandicarboxylic acid

    Purity:
    ≥ 98% (Assay)
    Catalog Number:
    27410
    CAS Number:
    3238-40-2
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00016582
    Molecular Formula:
    C6H4O5
    Molecular Weight:
    156.09
    Specification Sheet SDS

  • O-Ethylhydroxylamine hydrochloride

    Purity:
    ≥ 99%
    Catalog Number:
    27342
    CAS Number:
    3332-29-4
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00012956
    Molecular Formula:
    C2H7NO·HCl
    Molecular Weight:
    97.54
    Specification Sheet SDS

  • 3-Sulfopropyl acrylate potassium salt

    Purity:
    ≥ 96% (Titration)
    Synonym:
    Potassium 3-sulphonatopropyl acrylate
    Catalog Number:
    27236
    CAS Number:
    31098-20-1
    Purity Limit:
    ≥ 96% (Titration)
    MDL NO:
    MFCD00010138
    Molecular Formula:
    C6H9O5SK
    Molecular Weight:
    232.3
    Specification Sheet SDS

  • n-Butylbenzene

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    1-Phenylbutane
    Hazmat
    Catalog Number:
    27221
    CAS Number:
    104-51-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00009463
    Molecular Formula:
    C10H14
    Molecular Weight:
    134.22
    Specification Sheet SDS

  • 3',5'-dimethoxy-4'-hydroxyacetophenone

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    27191
    CAS Number:
    2478-38-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00008748
    Molecular Formula:
    C10H12O4
    Molecular Weight:
    196.2
    Specification Sheet SDS

  • Benzyl acetate

    Grade:
    meets FCC specifications
    Purity:
    ≥ 99% (GC)
    Synonym:
    Phenylmethyl acetate
    Catalog Number:
    27188
    Grade:
    meets FCC specifications
    CAS Number:
    140-11-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00008712
    Molecular Formula:
    C9H10O2
    Molecular Weight:
    150.18
    Specification Sheet SDS

  • 2-Hydroxy-4-methoxybenzophenone

    Grade:
    meets USP specifications
    Purity:
    97-103% (Assay)
    Synonym:
    Oxybenzone
    Catalog Number:
    27170
    Grade:
    meets USP specifications
    CAS Number:
    131-57-7
    Purity Limit:
    97-103% (Assay)
    MDL NO:
    MFCD00008387
    Molecular Formula:
    C14H12O3
    Molecular Weight:
    228.25
    Specification Sheet SDS

  • 2-Hydroxyethanesulfonic acid sodium salt

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Isethionic acid sodium salt
    Catalog Number:
    27120
    CAS Number:
    1562-00-1
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00007534
    Molecular Formula:
    C2H5O4S·Na
    Molecular Weight:
    148.11
    Specification Sheet SDS

  • 4-Methyl-3-thiosemicarbazide

    Hazmat
    Purity:
    ≥ 92% (Assay)
    Synonym:
    3-Amino-1-methylthiourea
    Hazmat
    Catalog Number:
    27127
    CAS Number:
    6610-29-3
    Purity Limit:
    ≥ 92% (Assay)
    MDL NO:
    MFCD00007617
    Molecular Formula:
    C2H7N3S
    Molecular Weight:
    105.16
    Specification Sheet SDS

  • 4-Hydroxybenzhydrazide

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    p-Hydroxybenzhydrazide
    Catalog Number:
    27125
    CAS Number:
    5351-23-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00007605
    Molecular Formula:
    C7H8N2O2
    Molecular Weight:
    152.15
    Specification Sheet SDS

  • 2-Iodo-1-nitrobenzene

    Purity:
    ≥ 99% (GC)
    Synonym:
    o-Iodonitrobenzene
    Catalog Number:
    27099
    CAS Number:
    609-73-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00007088
    Molecular Formula:
    C6H4INO2
    Molecular Weight:
    249.0
    Specification Sheet SDS

  • 2,4-Dinitrophenylacetic acid

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    27107
    CAS Number:
    643-43-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00007227
    Molecular Formula:
    C8H6N2O6
    Molecular Weight:
    226.14
    Specification Sheet SDS

  • 4-Hydroxycoumarin

    Purity:
    ≥ 99%
    Synonym:
    4-Hydroxy-chromen-2-one
    Catalog Number:
    27086
    CAS Number:
    1076-38-6
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00006856
    Molecular Formula:
    C9H6O3
    Molecular Weight:
    162.14
    Specification Sheet SDS

  • 2-Amino-1H-benzimidazole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-Aminobenzimidazole
    Catalog Number:
    26960
    CAS Number:
    934-32-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005596
    Molecular Formula:
    C7H7N3
    Molecular Weight:
    133.15
    Specification Sheet SDS

  • 4-Methylthiazole

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    4-Methyl-1,3-thiazole
    Hazmat
    Catalog Number:
    26939
    CAS Number:
    693-95-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005340
    Molecular Formula:
    C4H5NS
    Molecular Weight:
    99.16
    Specification Sheet SDS

  • 2-Methylimidazole

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    2-Methylglyoxaline
    Hazmat
    Catalog Number:
    26928
    CAS Number:
    693-98-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005190
    Molecular Formula:
    C4H6N2
    Molecular Weight:
    82.11
    Specification Sheet SDS

  • 2-Ethyl-4-methylimidazole

    Purity:
    ≥ 96% (GC)
    Catalog Number:
    26930
    CAS Number:
    931-36-2
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00005193
    Molecular Formula:
    C6H10N2
    Molecular Weight:
    110.16
    Specification Sheet SDS

  • 5-Dibenzosuberenone

    Purity:
    ≥ 98% (Assay)
    Synonym:
    5H-Dibenzo[a,d]cyclohepten-5-one
    Catalog Number:
    26897
    CAS Number:
    2222-33-5
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00003588
    Molecular Formula:
    C15H10O
    Molecular Weight:
    206.24
    Specification Sheet SDS

  • 4-Cyanobenzaldehyde

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    p-Cyanobenzaldehyde
    Catalog Number:
    26879
    CAS Number:
    105-07-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00003376
    Molecular Formula:
    C8H5NO
    Molecular Weight:
    131.13
    Specification Sheet SDS

  • N-(2-Hydroxyethyl)pyrrolidine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Pyrrolidine-1-ethanol
    Hazmat
    Catalog Number:
    26862
    CAS Number:
    2955-88-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00003181
    Molecular Formula:
    C6H13NO
    Molecular Weight:
    115.18
    Specification Sheet SDS

  • 1,3,4-Thiadiazole-2,5-dithiol

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    2,5-Dimercaptothiadiazole
    Hazmat
    Catalog Number:
    26857
    CAS Number:
    1072-71-5
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00003103
    Molecular Formula:
    C2H2N2S3
    Molecular Weight:
    150.25
    Specification Sheet SDS

  • 4-Ethoxybenzoic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    p-Ethoxybenzoic acid
    Catalog Number:
    26839
    CAS Number:
    619-86-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00002545
    Molecular Formula:
    C9H10O3
    Molecular Weight:
    166.18
    Specification Sheet SDS

  • 3-Methylsalicylic acid

    Purity:
    ≥ 99% (Assay)
    Synonym:
    2-Hydroxy-3-methylbenzoic acid
    Catalog Number:
    26822
    CAS Number:
    83-40-9
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00002448
    Molecular Formula:
    C8H8O3
    Molecular Weight:
    152.15
    SDS

  • 4-Fluorobenzoic acid

    Purity:
    ≥ 99% (GC)
    Synonym:
    p-Fluorobenzoic acid
    Catalog Number:
    26837
    CAS Number:
    456-22-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00002530
    Molecular Formula:
    C7H5FO2
    Molecular Weight:
    140.11
    Specification Sheet SDS

  • 3-Ethylphenol

    Hazmat
    Purity:
    ≥ 96% (GC)
    Synonym:
    m-Ethylphenol
    Hazmat
    Catalog Number:
    26816
    CAS Number:
    620-17-7
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00002311
    Molecular Formula:
    C8H10O
    Molecular Weight:
    122.17
    Specification Sheet SDS

  • 2',4'-Dihydroxyacetophenone

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1-Acetyl-2,4-dihydroxybenzene
    Catalog Number:
    26813
    CAS Number:
    89-84-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00002279
    Molecular Formula:
    C8H8O3
    Molecular Weight:
    152.15
    Specification Sheet SDS

  • 4'-Hydroxy-3'-methylacetophenone

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4-Acetyl-2-methylphenol
    Catalog Number:
    26808
    CAS Number:
    876-02-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00002231
    Molecular Formula:
    C9H10O2
    Molecular Weight:
    150.18
    Specification Sheet SDS

  • 9,10-Phenanthrenequinone

    Purity:
    ≥ 98% (Assay)
    Catalog Number:
    26771
    CAS Number:
    84-11-7
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00001163
    Molecular Formula:
    C14H8O2
    Molecular Weight:
    208.22
    Specification Sheet SDS
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