Discover the new Chem-Impex: Where innovation starts with a bond.

Building Blocks

8706
Sub Categories
Fluorinated Building Blocks 1832
Heterocyclic Building Blocks 3766
Non-Heterocyclic Building Blocks 3168

  • Methyl 2-iodobenzoate

    Purity:
    ≥ 99% (GC)
    Synonym:
    2-Iodobenzoic acid methyl ester
    Catalog Number:
    30029
    CAS Number:
    610-97-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00016351
    Molecular Formula:
    C8H7IO2
    Molecular Weight:
    262.04
    Specification Sheet SDS

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

    Grade:
    ACS reagent
    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    2-Hydroxy-4-sulfo-1-naphthylamine
    Catalog Number:
    30112
    Grade:
    ACS reagent
    CAS Number:
    116-63-2
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00004019
    Molecular Formula:
    C10H9NO4S
    Molecular Weight:
    239.25
    Specification Sheet SDS

  • Thiourea

    Hazmat
    Grade:
    ACS reagent
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Sulfourea
    Hazmat
    Catalog Number:
    30059
    Grade:
    ACS reagent
    CAS Number:
    62-56-6
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00008067
    Molecular Formula:
    CH4N2S
    Molecular Weight:
    0
    Specification Sheet SDS

  • N-(1-Naphthyl)ethylenediamine dihydrochloride

    Purity:
    ≥ 98% (TLC)
    Synonym:
    NED·2HCl
    Catalog Number:
    30133
    CAS Number:
    1465-25-4
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00012556
    Molecular Formula:
    C12H14N2·2HCl
    Molecular Weight:
    259.18
    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

  • Ninhydrin

    Purity:
    ≥ 98% (Assay)
    Synonym:
    1,2,3-Indantrione monohydrate
    Catalog Number:
    30141
    CAS Number:
    485-47-2
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00003791
    Molecular Formula:
    C9H6O4
    Molecular Weight:
    178.14
    Specification Sheet SDS

  • Sodium succinate dibasic hexahydrate

    Purity:
    98 - 102% (Assay)
    Synonym:
    Butanedioic acid disodium salt
    Catalog Number:
    29802
    CAS Number:
    6106-21-4
    Purity Limit:
    98 - 102% (Assay)
    MDL NO:
    MFCD00149117
    Molecular Formula:
    C4H4Na2O4·6H2O
    Molecular Weight:
    270.16
    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

  • 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

  • 3-Mercapto-1-propanesulfonic acid sodium salt

    Purity:
    ≥ 93% (Titration, dried basis)
    Catalog Number:
    27629
    CAS Number:
    17636-10-1
    Purity Limit:
    ≥ 93% (Titration, dried basis)
    MDL NO:
    MFCD00043148
    Molecular Formula:
    C3H7O3S2Na
    Molecular Weight:
    178.21
    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

  • 1-Phenyl-1-propanone

    Purity:
    ≥ 99.5% (GC)
    Synonym:
    Ethyl phenyl ketone
    Catalog Number:
    27218
    CAS Number:
    93-55-0
    Purity Limit:
    ≥ 99.5% (GC)
    MDL NO:
    MFCD00009309
    Molecular Formula:
    C9H10O
    Molecular Weight:
    134.18
    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:
    0
    Specification Sheet SDS

  • Vanillin

    Purity:
    ≥ 99.5% (Assay)
    Synonym:
    3-Methoxy-4-hydroxybenzaldehyde
    Catalog Number:
    27090
    CAS Number:
    121-33-5
    Purity Limit:
    ≥ 99.5% (Assay)
    MDL NO:
    MFCD00006942
    Molecular Formula:
    C8H8O3
    Molecular Weight:
    152.15
    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:
    0
    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-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

  • 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:
    0
    Specification Sheet SDS

  • 1,3-Diaminopropane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    1,3-Propanediamine
    Hazmat
    Catalog Number:
    24749
    CAS Number:
    109-76-2
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00008228
    Molecular Formula:
    C3H10N2
    Molecular Weight:
    0
    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:
    0
    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:
    0
    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:
    0
    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

  • Tryptamine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1H-Indole-3-ethanamine
    Catalog Number:
    21918
    CAS Number:
    61-54-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005661
    Molecular Formula:
    C10H12N2
    Molecular Weight:
    160.22
    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

  • 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

  • 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

  • Benzenesulfonyl chloride

    Hazmat
    Purity:
    ≥ 99% (Assay by titration, GC)
    Hazmat
    Catalog Number:
    14296
    CAS Number:
    98-09-9
    Purity Limit:
    ≥ 99% (Assay by titration, GC)
    MDL NO:
    MFCD00007426
    Molecular Formula:
    C6H5ClO2S
    Molecular Weight:
    0
    Specification Sheet SDS

  • Allyl bromide

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    2-Propenyl bromide
    Hazmat
    Catalog Number:
    14278
    CAS Number:
    106-95-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00000244
    Molecular Formula:
    C3H5Br
    Molecular Weight:
    0
    Specification Sheet SDS

  • Morpholine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    14091
    CAS Number:
    110-91-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005972
    Molecular Formula:
    C4H9NO
    Molecular Weight:
    0
    Specification Sheet SDS

  • 2-Chlorotrityl chloride resin (1.0-1.2 meq/g, 200-400 mesh)

    Synonym:
    2-Chlorotriphenylmethyl chloride resin
    Catalog Number:
    12996
    CAS Number:
    42074-68-0
    MDL NO:
    MFCD00161760
    Specification Sheet SDS

  • 1-Phenylpiperazine

    Hazmat
    Purity:
    ≥ 98% (Assay)
    Synonym:
    N-Phenylpiperazine
    Hazmat
    Catalog Number:
    06901
    CAS Number:
    92-54-6
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00005957
    Molecular Formula:
    C10H14N2
    Molecular Weight:
    0
    Specification Sheet SDS

  • P-Chlorodiphenylphosphine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Diphenyl chlorophosphine
    Hazmat
    Catalog Number:
    06895
    CAS Number:
    1079-66-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00000529
    Molecular Formula:
    C12H10ClP
    Molecular Weight:
    0
    Specification Sheet SDS

  • tert-Butyl acetate

    Hazmat
    Purity:
    99 - 100% (GC)
    Synonym:
    1,1-Dimethylethyl ester
    Hazmat
    Catalog Number:
    06819
    CAS Number:
    540-88-5
    Purity Limit:
    99 - 100% (GC)
    MDL NO:
    MFCD00008807
    Molecular Formula:
    C6H12O2
    Molecular Weight:
    0
    Specification Sheet SDS

  • 4-Iodobenzoic acid

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    p-Iodobenzoic acid
    Catalog Number:
    04894
    CAS Number:
    619-58-9
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00002533
    Molecular Formula:
    C7H5O2I
    Molecular Weight:
    248.02
    Specification Sheet SDS

  • Trifluoroethanol

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    2,2,2-Trifluoroethanol
    Hazmat
    Catalog Number:
    04832
    CAS Number:
    75-89-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00004672
    Molecular Formula:
    C2H3F3O
    Molecular Weight:
    0
    Specification Sheet SDS

  • Pentafluorophenyl trifluoroacetate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Trifluoroacetic acid pentafluorophenyl ester
    Hazmat
    Catalog Number:
    04899
    CAS Number:
    14533-84-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00134438
    Molecular Formula:
    C8F8O2
    Molecular Weight:
    0
    Specification Sheet SDS

  • 2-Chlorotrityl chloride resin (0.3-0.8 meq/g, 200-400 mesh)

    Synonym:
    2-Chlorotriphenylmethyl chloride resin
    Catalog Number:
    04251
    CAS Number:
    42074-68-0
    MDL NO:
    MFCD00161760
    Specification Sheet SDS

  • 1,3-Dimethylurea

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    N,N'-Dimethylurea
    Catalog Number:
    02542
    CAS Number:
    96-31-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00008286
    Molecular Formula:
    C3H8N2O
    Molecular Weight:
    88.11
    Specification Sheet SDS

  • Phthalic anhydride

    Hazmat
    Grade:
    ACS reagent
    Purity:
    99.0 - 100.2% (Assay by titration)
    Synonym:
    1,3-Isobenzofurandione
    Hazmat
    Catalog Number:
    02350
    Grade:
    ACS reagent
    CAS Number:
    85-44-9
    Purity Limit:
    99.0 - 100.2% (Assay by titration)
    MDL NO:
    MFCD00005918
    Molecular Formula:
    C8H4O3
    Molecular Weight:
    0
    Specification Sheet SDS

  • 4-Nitrophenol

    Hazmat
    Purity:
    ≥ 99% (assay)
    Synonym:
    HONP
    Hazmat
    Catalog Number:
    02340
    CAS Number:
    100-02-7
    Purity Limit:
    ≥ 99% (assay)
    MDL NO:
    MFCD00007331
    Molecular Formula:
    C6H5NO3
    Molecular Weight:
    0
    Specification Sheet SDS

  • Maleic anhydride

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    2,5-Furandione
    Hazmat
    Catalog Number:
    02328
    CAS Number:
    108-31-6
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00005518
    Molecular Formula:
    C4H2O3
    Molecular Weight:
    0
    Specification Sheet SDS

  • 2-Nitrophenol

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Hydroxynitrobenzene
    Hazmat
    Catalog Number:
    02339
    CAS Number:
    88-75-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00011688
    Molecular Formula:
    C6H5NO3
    Molecular Weight:
    0
    Specification Sheet SDS

  • Citric acid, anhydrous

    Grade:
    Meets USP specification
    Purity:
    99.5 - 100.5% (Assay on anhydrous basis)
    Synonym:
    2-Hydroxypropane-1,2,3-tricarboxylic acid
    Catalog Number:
    02107
    Grade:
    Meets USP specification
    CAS Number:
    77-92-9
    Purity Limit:
    99.5 - 100.5% (Assay on anhydrous basis)
    MDL NO:
    MFCD00011669
    Molecular Formula:
    C6H8O7
    Molecular Weight:
    192.12
    Specification Sheet SDS

  • N,O-Dimethylhydroxylamine hydrochloride

    Purity:
    ≥ 99% (Assay)
    Synonym:
    N-Methoxymethylamine hydrochloride
    Catalog Number:
    02098
    CAS Number:
    6638-79-5
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00012485
    Molecular Formula:
    C2H7NO·HCl
    Molecular Weight:
    97.55
    Specification Sheet SDS

  • DL-Lactic acid sodium salt, 60% w/w syrup

    Grade:
    meets USP specifications
    Purity:
    58.8-61.2% (Titration)
    Synonym:
    2-Hydroxypropionic acid sodium salt solution
    Catalog Number:
    01614
    Grade:
    meets USP specifications
    CAS Number:
    72-17-3
    Purity Limit:
    58.8-61.2% (Titration)
    MDL NO:
    MFCD00065400
    Molecular Formula:
    C3H5O3Na
    Molecular Weight:
    112.1
    Specification Sheet SDS

  • Pyruvic acid

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    α-Ketopropionic acid
    Hazmat
    Catalog Number:
    01522
    CAS Number:
    127-17-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00002585
    Molecular Formula:
    C3H4O3
    Molecular Weight:
    0
    Specification Sheet SDS

  • Propionic acid

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    Ethylformic acid
    Hazmat
    Catalog Number:
    01518
    CAS Number:
    79-09-4
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00002756
    Molecular Formula:
    C3H6O2
    Molecular Weight:
    0
    Specification Sheet SDS

  • Salicylic acid

    Grade:
    ACS reagent
    Purity:
    ≥ 99% (Assay)
    Synonym:
    2-Hydroxybenzoic acid
    Catalog Number:
    01498
    Grade:
    ACS reagent
    CAS Number:
    69-72-7
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00002439
    Molecular Formula:
    C7H6O3
    Molecular Weight:
    138.12
    Specification Sheet SDS
Back to top