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Building Blocks

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

  • Eugenol

    Grade:
    Meets USP specification
    Synonym:
    4-Allyl-2-methoxyphenol
    Catalog Number:
    37051
    Grade:
    Meets USP specification
    CAS Number:
    97-53-0
    MDL NO:
    MFCD00008654
    Molecular Formula:
    C10H12O2
    Molecular Weight:
    164.2
    Specification Sheet SDS

  • Ethyl o-toluate

    Purity:
    ≥ 99% (GC)
    Synonym:
    Ethyl 2-methylbenzoate
    Catalog Number:
    36986
    CAS Number:
    87-24-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00009112
    Molecular Formula:
    C10H12O2
    Molecular Weight:
    164.21
    Specification Sheet SDS

  • 1-Acetyl-4-(4-hydroxyphenyl)piperazine

    Purity:
    ≥ 99% (Assay by titration, HPLC)
    Synonym:
    4-(4-Acetyl-1-piperazinyl)phenol
    Catalog Number:
    36939
    CAS Number:
    67914-60-7
    Purity Limit:
    ≥ 99% (Assay by titration, HPLC)
    MDL NO:
    MFCD00044905
    Molecular Formula:
    C12H16N2O2
    Molecular Weight:
    220.27
    Specification Sheet SDS

  • 3-Amino-1H-pyrazole-4-carboxamide hemisulfate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3-Amino-4-carbamoylpyrazole hemisulfate
    Catalog Number:
    36942
    CAS Number:
    27511-79-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00013093
    Molecular Formula:
    C4H6N4O·0.5H2SO4
    Molecular Weight:
    175.16
    Specification Sheet SDS

  • 1-(3-Chlorophenyl)-4-(3-chloropropyl)piperazine hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    36940
    CAS Number:
    52605-52-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00067039
    Molecular Formula:
    C13H18Cl2N2·HCl
    Molecular Weight:
    309.66
    Specification Sheet SDS

  • Bis(2-chloroethyl)amine hydrochloride

    Purity:
    98 - 102% (Assay by titration)
    Synonym:
    2,2'-Dichlorodiethylamine hydrochloride
    Catalog Number:
    36941
    CAS Number:
    821-48-7
    Purity Limit:
    98 - 102% (Assay by titration)
    MDL NO:
    MFCD00012515
    Molecular Formula:
    C4H9Cl2N·HCl
    Molecular Weight:
    178.48
    Specification Sheet SDS

  • L-Cystine, non animal origin

    Grade:
    Meets USP, EP, JP testing specification
    Purity:
    98 - 101% (Assay)
    Synonym:
    (-)-3,3'-Dithiobis(2-aminopropionic acid)
    Catalog Number:
    36927
    Grade:
    Meets USP, EP, JP testing specification
    CAS Number:
    56-89-3
    Purity Limit:
    98 - 101% (Assay)
    MDL NO:
    MFCD00064228
    Molecular Formula:
    C6H12N2O4S2
    Molecular Weight:
    240.3
    Specification Sheet SDS

  • 2,2,2-Trifluoroethyl methanesulfonate

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Methanesulfonic acid 2,2,2-trifluoroethyl ester
    Hazmat
    Catalog Number:
    36919
    CAS Number:
    25236-64-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00025058
    Molecular Formula:
    C3H5F3O3S
    Molecular Weight:
    178.13
    Specification Sheet SDS

  • Di-n-butyl sulfate

    Purity:
    ≥ 96% (GC)
    Synonym:
    n-Butyl sulfate
    Catalog Number:
    36916
    CAS Number:
    625-22-9
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00059420
    Molecular Formula:
    C8H18O4S
    Molecular Weight:
    210.29
    Specification Sheet SDS

  • 1,1,1,3,3,3-Hexafluoroisopropyl p-toluenesulfonate

    Purity:
    ≥ 98% (GC)
    Synonym:
    p-Toluenesulfonic acid 1,1,1,3,3,3-hexafluoroisopropyl ester
    Catalog Number:
    36918
    CAS Number:
    67674-48-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00039262
    Molecular Formula:
    C10H8F6O3S
    Molecular Weight:
    322.22
    Specification Sheet SDS

  • Triisopropyl orthoformate

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    Orthoformic acid triisopropyl ester
    Hazmat
    Catalog Number:
    36913
    CAS Number:
    4447-60-3
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00060628
    Molecular Formula:
    C10H22O3
    Molecular Weight:
    190.28
    Specification Sheet SDS

  • N,N-Dimethylformamide dibutyl acetal

    Hazmat
    Purity:
    ≥ 98% (Assay by titration, GC)
    Synonym:
    1,1-Dibutoxytrimethylamine
    Hazmat
    Catalog Number:
    36914
    CAS Number:
    18503-90-7
    Purity Limit:
    ≥ 98% (Assay by titration, GC)
    MDL NO:
    MFCD00015249
    Molecular Formula:
    C11H25NO2
    Molecular Weight:
    203.33
    Specification Sheet SDS

  • 2-Chloroethyl methanesulfonate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Methanesulfonic acid 2-chloroethyl ester
    Hazmat
    Catalog Number:
    36917
    CAS Number:
    3570-58-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00007560
    Molecular Formula:
    C3H7ClO3S
    Molecular Weight:
    158.6
    Specification Sheet SDS

  • N,N-Dimethylformamide di-tert-butyl acetal

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    1,1-Di-tert-butoxy-N,N-dimethylmethylamine
    Hazmat
    Catalog Number:
    36915
    CAS Number:
    36805-97-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00015002
    Molecular Formula:
    C11H25NO2
    Molecular Weight:
    203.33
    Specification Sheet SDS

  • N,N-Dimethylformamide dipropyl acetal

    Hazmat
    Purity:
    ≥ 90% (GC)
    Synonym:
    1,1-Dipropoxytrimethylamine
    Hazmat
    Catalog Number:
    36912
    CAS Number:
    6006-65-1
    Purity Limit:
    ≥ 90% (GC)
    MDL NO:
    MFCD00009374
    Molecular Formula:
    C9H21NO2
    Molecular Weight:
    175.27
    Specification Sheet SDS

  • 1,2-Benzenedisulfonic imide

    Purity:
    ≥ 98% (Assay by titration, HPLC)
    Synonym:
    o-Benzenedisulfonimide
    Catalog Number:
    36886
    CAS Number:
    4482-01-3
    Purity Limit:
    ≥ 98% (Assay by titration, HPLC)
    MDL NO:
    MFCD07779379
    Molecular Formula:
    C6H5NO4S2
    Molecular Weight:
    219.23
    Specification Sheet SDS

  • Chloromethyl chlorosulfate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Chloromethyl chlorosulfonate
    Hazmat
    Catalog Number:
    36883
    CAS Number:
    49715-04-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00041547
    Molecular Formula:
    CH2Cl2O3S
    Molecular Weight:
    165.0
    Specification Sheet SDS

  • Vinylphosphonic acid

    Hazmat
    Purity:
    ≥ 97% (Assay by titration)
    Hazmat
    Catalog Number:
    36861
    CAS Number:
    1746-03-8
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00043866
    Molecular Formula:
    C2H5O3P
    Molecular Weight:
    108.03
    Specification Sheet SDS

  • Vanillic acid

    Purity:
    96.5 - 103.5 % (Assay by titration)
    Synonym:
    4-Hydroxy-3-methoxybenzoic acid
    Catalog Number:
    36857
    CAS Number:
    121-34-6
    Purity Limit:
    96.5 - 103.5 % (Assay by titration)
    MDL NO:
    MFCD00002551
    Molecular Formula:
    C8H8O4
    Molecular Weight:
    168.15
    Specification Sheet SDS

  • Trimethylsulfoxonium chloride

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    36839
    CAS Number:
    5034-06-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00011898
    Molecular Formula:
    C3H9ClOS
    Molecular Weight:
    128.62
    Specification Sheet SDS

  • 2-tert-Butyl-1,1,3,3-tetramethylguanidine

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    BTMG
    Hazmat
    Catalog Number:
    36845
    CAS Number:
    29166-72-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD01862972
    Molecular Formula:
    C9H21N3
    Molecular Weight:
    171.28
    Specification Sheet SDS

  • Trimethylsulfonium iodide

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    36837
    CAS Number:
    2181-42-2
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00011632
    Molecular Formula:
    C3H9IS
    Molecular Weight:
    204.07
    Specification Sheet SDS

  • Trimethylamine N-oxide dihydrate

    Purity:
    ≥ 98% (TLC)
    Synonym:
    TMANo
    Catalog Number:
    36831
    CAS Number:
    62637-93-8
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00149077
    Molecular Formula:
    C3H13NO3
    Molecular Weight:
    111.14
    Specification Sheet SDS

  • Trimethylamine N-oxide

    Purity:
    ≥ 95% (Assay by titration)
    Synonym:
    TMANo
    Catalog Number:
    36830
    CAS Number:
    1184-78-7
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD00002048
    Molecular Formula:
    C3H9NO
    Molecular Weight:
    75.11
    Specification Sheet SDS

  • 2-Chloroethanesulfonyl chloride

    Hazmat
    Purity:
    ≥ 96% (Assay by titration)
    Synonym:
    2-Chloro-1-ethanesulfonyl chloride
    Hazmat
    Catalog Number:
    36821
    CAS Number:
    1622-32-8
    Purity Limit:
    ≥ 96% (Assay by titration)
    MDL NO:
    MFCD00007461
    Molecular Formula:
    ClCH2CH2SO2Cl
    Molecular Weight:
    163.02
    Specification Sheet SDS

  • Sodium p-toluenesulfonate

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    p-Toluenesulfonic acid sodium salt
    Catalog Number:
    36794
    CAS Number:
    657-84-1
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00064388
    Molecular Formula:
    CH3C6H4SO3Na
    Molecular Weight:
    194.18
    Specification Sheet SDS

  • Thionyl chloride solution, 2.0 M in methylene chloride

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Hazmat
    Catalog Number:
    36789
    CAS Number:
    7719-09-7
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00011449
    Molecular Formula:
    SOCl2
    Molecular Weight:
    118.97
    Specification Sheet SDS

  • S-(Thiobenzoyl)thioglycolic acid

    Hazmat
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    (Thiobenzoylthio)acetic acid
    Hazmat
    Catalog Number:
    36787
    CAS Number:
    942-91-6
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00004927
    Molecular Formula:
    C9H8O2S2
    Molecular Weight:
    212.29
    Specification Sheet SDS

  • Sodium trifluoroacetate

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Trifluoroacetic acid sodium salt
    Catalog Number:
    36689
    CAS Number:
    2923-18-4
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00013217
    Molecular Formula:
    CF3COONa
    Molecular Weight:
    136.01
    Specification Sheet SDS

  • Sodium trifluoromethanesulfonate

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    Sodium triflate
    Catalog Number:
    36690
    CAS Number:
    2926-30-9
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00061607
    Molecular Formula:
    CF3SO3Na
    Molecular Weight:
    172.06
    Specification Sheet SDS

  • Sodium methanesulfonate

    Purity:
    SiO2 : 27.90 - 28.90% (Assay)
    Synonym:
    Methanesulfonic acid sodium salt
    Catalog Number:
    36672
    CAS Number:
    2386-57-4
    Purity Limit:
    SiO2 : 27.90 - 28.90% (Assay)
    MDL NO:
    MFCD00064389
    Molecular Formula:
    CH3SO3Na
    Molecular Weight:
    118.09
    Specification Sheet SDS

  • Sodium dichloroacetate

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    Dichloroacetic acid sodium salt
    Catalog Number:
    36658
    CAS Number:
    2156-56-1
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00070489
    Molecular Formula:
    Cl2CHCO2Na
    Molecular Weight:
    150.92
    Specification Sheet SDS

  • Sodium chlorodifluoroacetate

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Chlorodifluoroacetic acid sodium salt
    Catalog Number:
    36657
    CAS Number:
    1895-39-2
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00064771
    Molecular Formula:
    ClCF2CO2Na
    Molecular Weight:
    152.46
    Specification Sheet SDS

  • Sodium dicyanamide

    Purity:
    96 - 103% (Assay by titration)
    Catalog Number:
    36661
    CAS Number:
    1934-75-4
    Purity Limit:
    96 - 103% (Assay by titration)
    MDL NO:
    MFCD00003535
    Molecular Formula:
    C2N3Na
    Molecular Weight:
    89.03
    Specification Sheet SDS

  • Potassium thioacetate

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    Ethanethioic acid potassium salt
    Hazmat
    Catalog Number:
    36635
    CAS Number:
    10387-40-3
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00137704
    Molecular Formula:
    CH3COSK
    Molecular Weight:
    114.21
    Specification Sheet SDS

  • Tricarballylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1,2,3-Propanetricarboxylic acid
    Catalog Number:
    36638
    CAS Number:
    99-14-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00002723
    Molecular Formula:
    C6H8O6
    Molecular Weight:
    176.12
    Specification Sheet SDS

  • Phenoxyacetic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    Glycolic acid phenyl ether
    Catalog Number:
    36609
    CAS Number:
    122-59-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00004296
    Molecular Formula:
    C8H8O3
    Molecular Weight:
    152.15
    Specification Sheet SDS

  • N-Succinimidyl N-methylcarbamate

    Purity:
    ≥ 97% (Assay Elemental analysis)
    Synonym:
    Methyl isocyanate substitute
    Catalog Number:
    36592
    CAS Number:
    18342-66-0
    Purity Limit:
    ≥ 97% (Assay Elemental analysis)
    MDL NO:
    MFCD00800292
    Molecular Formula:
    C6H8N2O4
    Molecular Weight:
    172.14
    Specification Sheet SDS

  • N,N-Diethyl-2-cyanoacetoamide

    Purity:
    ≥ 97% (GC)
    Synonym:
    2-Cyano-N,N-diethylacetamide
    Catalog Number:
    36565
    CAS Number:
    26391-06-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD01332383
    Molecular Formula:
    C7H12N2O
    Molecular Weight:
    140.18
    Specification Sheet SDS

  • Isovaleric acid

    Hazmat
    Grade:
    meets FCC, FG specifications
    Purity:
    99 - 101% (Assay by titration)
    Synonym:
    3-Methylbutanoic acid
    Hazmat
    Catalog Number:
    36395
    Grade:
    meets FCC, FG specifications
    CAS Number:
    503-74-2
    Purity Limit:
    99 - 101% (Assay by titration)
    MDL NO:
    MFCD00002726
    Molecular Formula:
    C5H10O2
    Molecular Weight:
    102.13
    Specification Sheet SDS

  • Isobutyric acid

    Hazmat
    Grade:
    meets FCC, FG specifications
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    2-Methylpropionic acid
    Hazmat
    Catalog Number:
    36364
    Grade:
    meets FCC, FG specifications
    CAS Number:
    79-31-2
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00002658
    Molecular Formula:
    C4H8O2
    Molecular Weight:
    88.11
    Specification Sheet SDS

  • Itaconic acid

    Purity:
    ≥ 99% (Assay by titration, GC)
    Synonym:
    Methylenesuccinic acid
    Catalog Number:
    36553
    CAS Number:
    97-65-4
    Purity Limit:
    ≥ 99% (Assay by titration, GC)
    MDL NO:
    MFCD00004260
    Molecular Formula:
    C5H6O4
    Molecular Weight:
    130.1
    Specification Sheet SDS

  • Methylenediphosphonic acid

    Hazmat
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Medronic acid
    Hazmat
    Catalog Number:
    36552
    CAS Number:
    1984-15-2
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00002139
    Molecular Formula:
    CH6O6P2
    Molecular Weight:
    176.0
    Specification Sheet SDS

  • Magnesium trifluoromethanesulfonate

    Hazmat
    Purity:
    ≥ 97% (Assay by titration)
    Synonym:
    Magnesium triflate
    Hazmat
    Catalog Number:
    36535
    CAS Number:
    60871-83-2
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00042601
    Molecular Formula:
    C2F6MgO6S2
    Molecular Weight:
    322.44
    Specification Sheet SDS

  • Ethyl chlorooxoacetate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Ethyl chloroglyoxylate
    Hazmat
    Catalog Number:
    36330
    CAS Number:
    4755-77-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00000706
    Molecular Formula:
    C4H5ClO3
    Molecular Weight:
    136.53
    Specification Sheet SDS

  • Lithium trifluoromethanesulfonate

    Purity:
    ≥ 99% (Trace metal basis)
    Synonym:
    Trifluoromethanesulfonic acid lithium salt
    Catalog Number:
    36518
    CAS Number:
    33454-82-9
    Purity Limit:
    ≥ 99% (Trace metal basis)
    MDL NO:
    MFCD00013227
    Molecular Formula:
    CF3SO3Li
    Molecular Weight:
    156.01
    Specification Sheet SDS

  • Nonanoic acid

    Grade:
    Natural, meets FG specifications
    Purity:
    ≥ 98% (GC)
    Synonym:
    Pelargonic acid
    Catalog Number:
    36495
    Grade:
    Natural, meets FG specifications
    CAS Number:
    112-05-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00004433
    Molecular Formula:
    C9H18O2
    Molecular Weight:
    158.24
    Specification Sheet SDS

  • Isovaleric acid

    Hazmat
    Purity:
    98.5 - 101.5% (Assay by titration)
    Synonym:
    3-Methylbutanoic acid
    Hazmat
    Catalog Number:
    36394
    CAS Number:
    503-74-2
    Purity Limit:
    98.5 - 101.5% (Assay by titration)
    MDL NO:
    MFCD00002726
    Molecular Formula:
    C5H10O2
    Molecular Weight:
    102.13
    Specification Sheet SDS

  • Myristic acid

    Grade:
    Meets FCC, FG specifications
    Purity:
    ≥ 95% (GC)
    Synonym:
    1-Tridecanecarboxylic acid
    Catalog Number:
    36474
    Grade:
    Meets FCC, FG specifications
    CAS Number:
    544-63-8
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00002744
    Molecular Formula:
    C14H28O2
    Molecular Weight:
    228.37
    Specification Sheet SDS

  • Tetraethyl methylenediphosphonate

    Purity:
    ≥ 97% (GC)
    Synonym:
    Bis(diethoxyphosphinyl)methane
    Catalog Number:
    36391
    CAS Number:
    1660-94-2
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00039887
    Molecular Formula:
    C9H22O6P2
    Molecular Weight:
    288.21
    Specification Sheet SDS
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