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Building Blocks

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

  • 1-Naphthyl isothiocyanate

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Isothiocyanic acid 1-naphthyl ester
    Hazmat
    Catalog Number:
    47487
    CAS Number:
    551-06-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00003882
    Molecular Formula:
    C11H7NS
    Molecular Weight:
    185.24
    Specification Sheet SDS

  • 4-Nitrobenzoyl chloride

    Hazmat
    Purity:
    ≥ 98% (NMR)
    Hazmat
    Catalog Number:
    47485
    CAS Number:
    122-04-3
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD00007345
    Molecular Formula:
    C7H4ClNO3
    Molecular Weight:
    185.56
    Specification Sheet SDS

  • 1-Naphthyl isocyanate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Isocyanic acid 1-naphthyl ester
    Hazmat
    Catalog Number:
    47486
    CAS Number:
    86-84-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00003881
    Molecular Formula:
    C11H7NO
    Molecular Weight:
    169.18
    Specification Sheet SDS

  • 4-Methoxybenzoyl chloride

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    p-Anisoyl chloride
    Hazmat
    Catalog Number:
    47482
    CAS Number:
    100-07-2
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00000687
    Molecular Formula:
    C8H7ClO2
    Molecular Weight:
    170.59
    Specification Sheet SDS

  • N-Succinimidyl ferrocenecarboxylate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Ferrocenecarboxylic acid N-succinimidyl ester
    Catalog Number:
    47436
    CAS Number:
    115223-09-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03427488
    Molecular Formula:
    C10H8NO4·C5H5·Fe
    Molecular Weight:
    327.12
    Specification Sheet SDS

  • 1-Benzyl-3-p-tolyltriazene

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    3-p-Tolyl-1-benzyltriazene
    Hazmat
    Catalog Number:
    47423
    CAS Number:
    17683-09-9
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00038226
    Molecular Formula:
    C14H15N3
    Molecular Weight:
    225.3
    Specification Sheet SDS

  • n-Octane

    Hazmat
    Purity:
    ≥ 98.5% (GC)
    Hazmat
    Catalog Number:
    47407
    CAS Number:
    111-65-9
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD00009556
    Molecular Formula:
    C8H18
    Molecular Weight:
    114.23
    Specification Sheet SDS

  • Sodium 1-undecanesulfonate

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    47413
    CAS Number:
    5838-34-6
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00053627
    Molecular Formula:
    C11H23O3S·Na
    Molecular Weight:
    258.36
    Specification Sheet SDS

  • Sodium 1-propanesulfonate

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    1-Propanesulfonic acid sodium salt
    Catalog Number:
    47411
    CAS Number:
    14533-63-2
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00062546
    Molecular Formula:
    C3H7O3S·Na
    Molecular Weight:
    146.14
    Specification Sheet SDS

  • Sodium 1-dodecanesulfonate

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    1-Dodecanesulfonic acid sodium salt
    Catalog Number:
    47412
    CAS Number:
    2386-53-0
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00007527
    Molecular Formula:
    C12H25NaO3S
    Molecular Weight:
    272.38
    Specification Sheet SDS

  • Methylcyclohexane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Hexahydrotoluene
    Hazmat
    Catalog Number:
    47406
    CAS Number:
    108-87-2
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00001497
    Molecular Formula:
    C7H14
    Molecular Weight:
    98.19
    Specification Sheet SDS

  • 1-Chlorobutane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Butyl chloride
    Hazmat
    Catalog Number:
    47399
    CAS Number:
    109-69-3
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00001009
    Molecular Formula:
    C4H9Cl
    Molecular Weight:
    92.57
    Specification Sheet SDS

  • Sodium N-cyclohexylsulfamate

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Cyclamic acid sodium salt
    Catalog Number:
    47380
    CAS Number:
    139-05-9
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00003827
    Molecular Formula:
    C6H12NNaO3S
    Molecular Weight:
    201.22
    Specification Sheet SDS

  • 2,4-Hexadienal (mixture of isomers)

    Hazmat
    Purity:
    ≥ 97% (GC, total of isomers)
    Hazmat
    Catalog Number:
    47393
    CAS Number:
    80466-34-8
    Purity Limit:
    ≥ 97% (GC, total of isomers)
    MDL NO:
    MFCD00007004
    Molecular Formula:
    C6H8O
    Molecular Weight:
    96.13
    Specification Sheet SDS

  • 12-Methyltridecanal

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    47392
    CAS Number:
    75853-49-5
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD10000650
    Molecular Formula:
    C14H28O
    Molecular Weight:
    212.37
    Specification Sheet SDS

  • Diethyl acetylenedicarboxylate

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Diethyl 2-butynedioate
    Hazmat
    Catalog Number:
    47389
    CAS Number:
    762-21-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00009186
    Molecular Formula:
    C8H10O4
    Molecular Weight:
    170.16
    Specification Sheet SDS

  • N,N-Dimethylethylamine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    N,N-Dimethylethanamine
    Hazmat
    Catalog Number:
    46581
    CAS Number:
    598-56-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00009039
    Molecular Formula:
    C4H11N
    Molecular Weight:
    73.14
    Specification Sheet SDS

  • 2,4-Diphenyl-4-methyl-1-pentene

    Hazmat
    Purity:
    ≥ 98%
    Synonym:
    α-Methylstyrene dimer
    Hazmat
    Catalog Number:
    46575
    CAS Number:
    6362-80-7
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00044027
    Molecular Formula:
    C18H20
    Molecular Weight:
    236.35
    SDS

  • 2-[2-(2-Aminophenoxy)ethoxy]phenylamine

    Purity:
    ≥ 98%
    Synonym:
    Ethylene glycol bis(2-aminophenyl) ether
    Catalog Number:
    46565
    CAS Number:
    52411-34-4
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00087648
    Molecular Formula:
    C14H16N2O2
    Molecular Weight:
    244.29
    SDS

  • Calcium 3-methyl-2-oxovalerate hydrate

    Purity:
    98.5 - 102.0% (Assay, on anhydrous basis)
    Synonym:
    α-Ketoisoleucine calcium salt
    Catalog Number:
    46572
    CAS Number:
    66872-75-1
    Purity Limit:
    98.5 - 102.0% (Assay, on anhydrous basis)
    MDL NO:
    MFCD08273731
    Molecular Formula:
    C12H18CaO6·H2O
    Molecular Weight:
    316.36
    Specification Sheet SDS

  • Calcium 3-methyl-2-oxobutyrate

    Purity:
    98.5 - 102.0% (Assay, on anhydrous basis)
    Synonym:
    α-Ketovaline calcium salt
    Catalog Number:
    46574
    CAS Number:
    51828-94-5
    Purity Limit:
    98.5 - 102.0% (Assay, on anhydrous basis)
    MDL NO:
    MFCD00002580
    Molecular Formula:
    C10H14CaO6
    Molecular Weight:
    270.29
    Specification Sheet SDS

  • 2-Cyanopyridine

    Purity:
    ≥ 99% (GC)
    Synonym:
    2-Pyridinecarbonitrile
    Catalog Number:
    46569
    CAS Number:
    100-70-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006218
    Molecular Formula:
    C6H4N2
    Molecular Weight:
    104.11
    SDS

  • Sodium methanethiolate solution (21 wt % in water)

    Hazmat
    Purity:
    ≥ 21% (Assay)
    Synonym:
    Methyl mercaptan sodium salt
    Hazmat
    Catalog Number:
    46526
    CAS Number:
    5188-07-8
    Purity Limit:
    ≥ 21% (Assay)
    MDL NO:
    MFCD00174316
    Molecular Formula:
    CH3NaS
    Molecular Weight:
    70.09
    Specification Sheet SDS

  • Ammonium formate 50% solution purified

    Purity:
    ≥ 50% (Assay)
    Synonym:
    Formic acid, ammonium salt 50% solution purified
    Catalog Number:
    46524
    CAS Number:
    540-69-2
    Purity Limit:
    ≥ 50% (Assay)
    MDL NO:
    MFCD00013103
    Molecular Formula:
    CH6NO2
    Molecular Weight:
    63.06
    SDS

  • 2,4-Difluorophenyl isothiocyanate

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Isothiocyanic acid 2,4-difluorophenyl ester
    Hazmat
    Catalog Number:
    46499
    CAS Number:
    141106-52-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00041044
    Molecular Formula:
    C7H3F2NS
    Molecular Weight:
    171.16
    Specification Sheet SDS

  • 2-Fluorophenyl isothiocyanate

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    Isothiocyanic acid 2-fluorophenyl ester
    Hazmat
    Catalog Number:
    46501
    CAS Number:
    38985-64-7
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00004800
    Molecular Formula:
    C7H4FNS
    Molecular Weight:
    153.17
    Specification Sheet SDS

  • 2-(Trifluoromethyl)phenyl isothiocyanate

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Isothiocyanic acid 2-(trifluoromethyl)phenyl ester
    Hazmat
    Catalog Number:
    46505
    CAS Number:
    1743-86-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00039644
    Molecular Formula:
    C8H4F3NS
    Molecular Weight:
    203.18
    Specification Sheet SDS

  • 1,1,2,2,3,3-Hexafluoropropane-1,3-disulfonimide

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    4,4,5,5,6,6-Hexafluoroperhydro-1,3,2-dithiazine 1,1,3,3-tetraoxide
    Hazmat
    Catalog Number:
    46489
    CAS Number:
    84246-29-7
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD06200806
    Molecular Formula:
    C3HF6NO4S2
    Molecular Weight:
    293.15
    Specification Sheet SDS

  • 2,2,3,3,3-Pentafluoropropyl p-toluenesulfonate

    Purity:
    ≥ 98% (GC)
    Synonym:
    p-Toluenesulfonic acid 2,2,3,3,3-pentafluoropropyl ester
    Catalog Number:
    46509
    CAS Number:
    565-42-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02093346
    Molecular Formula:
    C10H9F5O3S
    Molecular Weight:
    304.23
    Specification Sheet SDS

  • 1,3-Bis[4-(trifluoromethyl)phenyl]thiourea

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    46508
    CAS Number:
    1744-07-6
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD18191886
    Molecular Formula:
    C15H10F6N2S
    Molecular Weight:
    364.31
    Specification Sheet SDS

  • 4-(Trifluoromethyl)thiobenzamide

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Hazmat
    Catalog Number:
    46497
    CAS Number:
    72505-21-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00051806
    Molecular Formula:
    C8H6F3NS
    Molecular Weight:
    205.2
    Specification Sheet SDS

  • 4-Fluorophenyl chlorothionoformate

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    Chlorothioformic acid O-(4-fluorophenyl) ester
    Hazmat
    Catalog Number:
    46496
    CAS Number:
    42908-73-6
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00134402
    Molecular Formula:
    C7H4ClFOS
    Molecular Weight:
    190.62
    Specification Sheet SDS

  • Potassium 1,1,2,2,3,3-hexafluoropropane-1,3-disulfonimide

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    4,4,5,5,6,6-Hexafluoroperhydro-1,3,2-dithiazine 1,1,3,3-tetraoxide potassium salt
    Catalog Number:
    46490
    CAS Number:
    588668-97-7
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD06797108
    Molecular Formula:
    C3F6KNO4S2
    Molecular Weight:
    331.24
    Specification Sheet SDS

  • 1,3-Bis[3,5-bis(trifluoromethyl)phenyl]thiourea

    Purity:
    ≥ 98% (N)
    Catalog Number:
    46507
    CAS Number:
    1060-92-0
    Purity Limit:
    ≥ 98% (N)
    MDL NO:
    MFCD00829878
    Molecular Formula:
    C17H8F12N2S
    Molecular Weight:
    500.31
    Specification Sheet SDS

  • Pentafluorobenzyl p-toluenesulfonate [Derivatizing Reagent for GC of Inorganic Anions]

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    PFB - Tosylate
    Catalog Number:
    46511
    CAS Number:
    32974-36-0
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD06248628
    Molecular Formula:
    C14H9F5O3S
    Molecular Weight:
    352.28
    Specification Sheet SDS

  • 2-Fluoroethyl p-toluenesulfonate

    Purity:
    ≥ 98% (GC)
    Synonym:
    p-Toluenesulfonic acid 2-fluoroethyl ester
    Catalog Number:
    46510
    CAS Number:
    383-50-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01658061
    Molecular Formula:
    C9H11FO3S
    Molecular Weight:
    218.24
    Specification Sheet SDS

  • Thiocarbohydrazide

    Hazmat
    Purity:
    ≥ 99.5% (Assay by titration)
    Hazmat
    Catalog Number:
    46495
    CAS Number:
    2231-57-4
    Purity Limit:
    ≥ 99.5% (Assay by titration)
    MDL NO:
    MFCD00007616
    Molecular Formula:
    CH6N4S
    Molecular Weight:
    106.15
    Specification Sheet SDS

  • 3,4-Difluorophenyl isothiocyanate

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Isothiocyanic acid 3,4-difluorophenyl ester
    Hazmat
    Catalog Number:
    46506
    CAS Number:
    113028-75-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00175109
    Molecular Formula:
    C7H3F2NS
    Molecular Weight:
    171.16
    Specification Sheet SDS

  • 3-(Trifluoromethyl)phenyl isothiocyanate

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Isothiocyanic acid 3-(trifluoromethyl)phenyl ester
    Hazmat
    Catalog Number:
    46504
    CAS Number:
    1840-19-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00004806
    Molecular Formula:
    C8H4F3NS
    Molecular Weight:
    203.18
    Specification Sheet SDS

  • 4-(Trifluoromethyl)phenyl isothiocyanate

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Isothiocyanic acid 4-(trifluoromethyl)phenyl ester
    Hazmat
    Catalog Number:
    46503
    CAS Number:
    1645-65-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00039645
    Molecular Formula:
    C8H4F3NS
    Molecular Weight:
    203.18
    Specification Sheet SDS

  • Dimethylphenacylsulfonium tetrafluoroborate

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Hazmat
    Catalog Number:
    46493
    CAS Number:
    24806-57-3
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00191352
    Molecular Formula:
    C10H13BF4OS
    Molecular Weight:
    268.08
    Specification Sheet SDS

  • N-(Trimethylsilyl)bis(trifluoromethanesulfonyl)imide

    Purity:
    ≥ 97% (Assay by titration)
    Synonym:
    [Bis(trifluoromethanesulfonyl)amino]trimethylsilane
    Catalog Number:
    46491
    CAS Number:
    82113-66-4
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD10566930
    Molecular Formula:
    C5H9F6NO4S2Si
    Molecular Weight:
    353.33
    Specification Sheet SDS

  • 5-Fluoro-o-tolyl isothiocyanate

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Fluoro-2-methylphenyl isothiocyanate
    Catalog Number:
    46502
    CAS Number:
    175205-39-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00046800
    Molecular Formula:
    C8H6FNS
    Molecular Weight:
    167.2
    Specification Sheet SDS

  • 3,5-Bis(trifluoromethyl)phenyl isothiocyanate

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Isothiocyanic acid 3,5-bis(trifluoromethyl)phenyl ester
    Hazmat
    Catalog Number:
    46498
    CAS Number:
    23165-29-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00040838
    Molecular Formula:
    C9H3F6NS
    Molecular Weight:
    271.18
    Specification Sheet SDS

  • 3-Pyridyl trifluoromethanesulfonate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Trifluoromethanesulfonic acid 3-pyridyl ester
    Catalog Number:
    46460
    CAS Number:
    107658-27-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00799579
    Molecular Formula:
    C6H4F3NO3S
    Molecular Weight:
    227.16
    Specification Sheet SDS

  • Potassium nonafluoro-1-butanesulfonate

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    Nonafluoro-1-butanesulfonic acid potassium salt
    Catalog Number:
    46486
    CAS Number:
    29420-49-3
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00007515
    Molecular Formula:
    C4F9KO3S
    Molecular Weight:
    338.18
    Specification Sheet SDS

  • 3-Fluorophenyl isothiocyanate

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Isothiocyanic acid 3-fluorophenyl ester
    Hazmat
    Catalog Number:
    46500
    CAS Number:
    404-72-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00004804
    Molecular Formula:
    C7H4FNS
    Molecular Weight:
    153.17
    Specification Sheet SDS

  • Bis(4-fluorophenyl) sulfone

    Purity:
    ≥ 99% (GC)
    Synonym:
    4,4'-Difluorodiphenyl sulfone
    Catalog Number:
    46483
    CAS Number:
    383-29-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00000350
    Molecular Formula:
    C12H8F2O2S
    Molecular Weight:
    254.25
    Specification Sheet SDS

  • Pentafluorophenyl chlorothionoformate

    Hazmat
    Purity:
    ≥ 95% (GC)
    Synonym:
    Chlorothioformic acid O-pentafluorophenyl ester
    Hazmat
    Catalog Number:
    46494
    CAS Number:
    135192-53-9
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00075405
    Molecular Formula:
    C7ClF5OS
    Molecular Weight:
    262.58
    Specification Sheet SDS

  • (3-Chloropropyl)diphenylsulfonium tetrafluoroborate

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Hazmat
    Catalog Number:
    46492
    CAS Number:
    33462-80-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00074932
    Molecular Formula:
    C15H16BClF4S
    Molecular Weight:
    350.61
    Specification Sheet SDS
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