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Building Blocks

7870
Sub Categories
Fluorinated Building Blocks 1631
Heterocyclic Building Blocks 3724
Non-Heterocyclic Building Blocks 2574

  • 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:
    220.64
    Specification Sheet SDS

  • Acetamide, Purified

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    Acetic acid amide
    Hazmat
    Catalog Number:
    06814
    CAS Number:
    60-35-5
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00008023
    Molecular Formula:
    C2H5NO
    Molecular Weight:
    59.07
    Specification Sheet SDS

  • 3-(4'-Hydroxyphenyl)propionic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Phloretic acid
    Catalog Number:
    05284
    CAS Number:
    501-97-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00002778
    Molecular Formula:
    C9H10O3
    Molecular Weight:
    166.18
    Specification Sheet SDS

  • Trimethyl orthoformate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Orthoformic acid trimethyl ester
    Hazmat
    Catalog Number:
    04903
    CAS Number:
    149-73-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00008483
    Molecular Formula:
    C4H10O3
    Molecular Weight:
    106.12
    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

  • 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:
    280.08
    Specification Sheet SDS

  • Acetyl chloride

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    04787
    CAS Number:
    75-36-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00000719
    Molecular Formula:
    C2H3ClO
    Molecular Weight:
    78.5
    Specification Sheet SDS

  • Fmoc-glycinol

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-(Fmoc-amino)-ethanol
    Catalog Number:
    03189
    CAS Number:
    105496-31-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00235927
    Molecular Formula:
    C17H17NO3
    Molecular Weight:
    283.3
    Specification Sheet SDS

  • 2,4,5-Trichlorophenol

    Hazmat
    Purity:
    ≥ 95% (GC)
    Synonym:
    2,4,5-Trichloro-1-hydroxy-benzene
    Hazmat
    Catalog Number:
    02361
    CAS Number:
    95-95-4
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00002170
    Molecular Formula:
    C6H3Cl3O
    Molecular Weight:
    197.45
    Specification Sheet SDS

  • 1H-Pyrazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    1,2-Diazole
    Catalog Number:
    02354
    CAS Number:
    288-13-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005234
    Molecular Formula:
    C3H4N2
    Molecular Weight:
    68.08
    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:
    139.11
    Specification Sheet SDS

  • 1-Acetylimidazole

    Purity:
    ≥ 98% (Titration)
    Catalog Number:
    02273
    CAS Number:
    2466-76-4
    Purity Limit:
    ≥ 98% (Titration)
    MDL NO:
    MFCD00005287
    Molecular Formula:
    C5H6N2O
    Molecular Weight:
    110.1
    Specification Sheet SDS

  • 5-Sulfosalicilic acid dihydrate

    Hazmat
    Grade:
    ACS reagent
    Purity:
    99 - 101% (Assay by titration)
    Synonym:
    2-Hydroxy-5-sulfobenzoic acid dihydrate
    Hazmat
    Catalog Number:
    01970
    Grade:
    ACS reagent
    CAS Number:
    5965-83-3
    Purity Limit:
    99 - 101% (Assay by titration)
    MDL NO:
    MFCD00149540
    Molecular Formula:
    C7H6O6S·2H2O
    Molecular Weight:
    254.2
    Specification Sheet SDS

  • 2-Imidazolidone

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    N,N'-Ethyleneurea
    Catalog Number:
    01974
    CAS Number:
    120-93-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005257
    Molecular Formula:
    C3H6N2O
    Molecular Weight:
    86.09
    Specification Sheet SDS

  • 1,5-Pentanediol

    Purity:
    ≥ 98% (GC)
    Synonym:
    Pentamethylene glycol
    Catalog Number:
    01575
    CAS Number:
    111-29-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00002978
    Molecular Formula:
    C5H12O2
    Molecular Weight:
    104.15
    Specification Sheet SDS

  • N,N,N,N-Tetramethyl-p-phenylenediamine dihydrochloride

    Purity:
    ≥ 99% (Titration)
    Synonym:
    Wurster's Reagent dihydrochloride
    Catalog Number:
    01567
    CAS Number:
    637-01-4
    Purity Limit:
    ≥ 99% (Titration)
    MDL NO:
    MFCD00012482
    Molecular Formula:
    C10H16N2·2HCl
    Molecular Weight:
    237.2
    Specification Sheet SDS

  • Ammonium acetate

    Grade:
    ACS reagent
    Purity:
    ≥ 97% (Assay by titration)
    Catalog Number:
    00594
    Grade:
    ACS reagent
    CAS Number:
    631-61-8
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00013066
    Molecular Formula:
    NH4CH3CO2
    Molecular Weight:
    77.08
    Specification Sheet SDS

  • Phenylphosphate disodium salt dihydrate

    Purity:
    ≥ 99% (Assay, HPLC)
    Synonym:
    Disodium phenyl phosphate dihydrate
    Catalog Number:
    01487
    CAS Number:
    3279-54-7, 66778-08-3
    Purity Limit:
    ≥ 99% (Assay, HPLC)
    MDL NO:
    MFCD00149080
    Molecular Formula:
    C6H5Na2O4P·2H2O
    Molecular Weight:
    254.1
    Specification Sheet SDS

  • 1,3-Diphenylurea

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    N,N'-Diphenylurea (sym.)
    Catalog Number:
    01473
    CAS Number:
    102-07-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00003017
    Molecular Formula:
    C13H12N2O
    Molecular Weight:
    212.25
    Specification Sheet SDS

  • Glycine amide hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Gly-NH2·HCl
    Catalog Number:
    01302
    CAS Number:
    1668-10-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00013008
    Molecular Formula:
    C2H6N2O·HCl
    Molecular Weight:
    110.5
    Specification Sheet SDS

  • Sodium maleate dibasic anhydrous

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Maleic acid disodium salt
    Catalog Number:
    01182
    CAS Number:
    371-47-1
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00013059
    Molecular Formula:
    C4H2O4Na2
    Molecular Weight:
    160.0
    Specification Sheet SDS

  • 1H-1,2,4-Triazole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Pyrrodiazole
    Catalog Number:
    00942
    CAS Number:
    288-88-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005228
    Molecular Formula:
    C2H3N3
    Molecular Weight:
    69.07
    Specification Sheet SDS

  • Tyramine hydrochloride

    Purity:
    99.0 - 100.5% (HPLC)
    Synonym:
    4-Hydroxyphenethylamine hydrochloride
    Catalog Number:
    00831
    CAS Number:
    60-19-5
    Purity Limit:
    99.0 - 100.5% (HPLC)
    MDL NO:
    MFCD00012901
    Molecular Formula:
    C8H11NO·HCl
    Molecular Weight:
    173.65
    Specification Sheet SDS

  • Isatin

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2,3-Indolinedione
    Catalog Number:
    00851
    CAS Number:
    91-56-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00005718
    Molecular Formula:
    C8H5NO2
    Molecular Weight:
    147.13
    Specification Sheet SDS

  • 6-Chloroguanine

    Purity:
    ≥ 99.0% (Assay)
    Synonym:
    2-Amino-6-chloropurine
    Catalog Number:
    00569
    CAS Number:
    10310-21-1
    Purity Limit:
    ≥ 99.0% (Assay)
    MDL NO:
    MFCD00075252
    Molecular Formula:
    C5H4ClN5
    Molecular Weight:
    169.58
    Specification Sheet SDS

  • 1-Thioglycerol

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Mercapto-1,2-propanediol
    Hazmat
    Catalog Number:
    00691
    CAS Number:
    96-27-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00004879
    Molecular Formula:
    C3H8O2S
    Molecular Weight:
    108.16
    Specification Sheet SDS

  • Benzoic acid

    Hazmat
    Grade:
    Meets USP/NF specification
    Purity:
    99.5 - 100.5% (Assay on anhydrous basis)
    Synonym:
    Benzene carboxylic acid
    Hazmat
    Catalog Number:
    00477
    Grade:
    Meets USP/NF specification
    CAS Number:
    65-85-0
    Purity Limit:
    99.5 - 100.5% (Assay on anhydrous basis)
    MDL NO:
    MFCD00002398
    Molecular Formula:
    C7H6O2
    Molecular Weight:
    122.1
    Specification Sheet SDS

  • 4-Aminoantipyrine

    Grade:
    ACS reagent
    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one
    Catalog Number:
    00417
    Grade:
    ACS reagent
    CAS Number:
    83-07-8
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00003145
    Molecular Formula:
    C11H13N3O
    Molecular Weight:
    203.25
    Specification Sheet SDS

  • Phthalimide potassium salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Potassium phthalamide
    Catalog Number:
    00253
    CAS Number:
    1074-82-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005887
    Molecular Formula:
    C8H4NO2K
    Molecular Weight:
    185.2
    Specification Sheet SDS

  • β-Dimethylaminoisopropyl chloride hydrochloride

    Purity:
    ≥ 98% (Titration)
    Synonym:
    2-Chloro-N,N-dimethylpropylamine hydrochloride
    Catalog Number:
    00117
    CAS Number:
    4584-49-0
    Purity Limit:
    ≥ 98% (Titration)
    MDL NO:
    MFCD00012534
    Molecular Formula:
    C5H12ClN·HCl
    Molecular Weight:
    158.07
    Specification Sheet SDS

  • α-Ketoglutaric acid disodium salt dihydrate

    Purity:
    ≥ 99% (Assay)
    Synonym:
    2-Oxoglutaric acid disodium salt dihydrate
    Catalog Number:
    00196
    CAS Number:
    305-72-6, 1282616-74-3
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00150702
    Molecular Formula:
    C5H4Na2O5·2H2O
    Molecular Weight:
    226.13
    Specification Sheet SDS

  • 4-(Bromomethyl)phenylacetic acid phenacyl ester

    Purity:
    ≥ 97% (GC)
    Synonym:
    Phenacyl 4-(bromomethyl)phenylacetate
    Catalog Number:
    00038
    CAS Number:
    66270-97-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00009632
    Molecular Formula:
    C17H15O3Br
    Molecular Weight:
    347.22
    Specification Sheet SDS

  • Heptafluorobutyric acid

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    HFBA
    Hazmat
    Catalog Number:
    02316
    CAS Number:
    375-22-4
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00004171
    Molecular Formula:
    C4HF7O2
    Molecular Weight:
    214.04
    Specification Sheet SDS

  • Cyclopentan-1-one

    Hazmat
    Purity:
    ≥ 99.9% (Assay)
    Synonym:
    Cyclopentanone
    Hazmat
    Catalog Number:
    26774
    CAS Number:
    120-92-3
    Purity Limit:
    ≥ 99.9% (Assay)
    MDL NO:
    MFCD00001409
    Molecular Formula:
    C5H8O
    Molecular Weight:
    84.12
    Specification Sheet SDS

  • 4-Aminotoluene

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    p-Toluidine
    Hazmat
    Catalog Number:
    49346
    CAS Number:
    106-49-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00007906
    Molecular Formula:
    C7H9N
    Molecular Weight:
    107.15
    Specification Sheet

  • N-Ethylaniline

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Monoethylaniline
    Hazmat
    Catalog Number:
    49340
    CAS Number:
    103-69-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00009025
    Molecular Formula:
    C8H11N
    Molecular Weight:
    121.18
    Specification Sheet

  • 4-Methylaniline hydrochloride

    Hazmat
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    p-Toluidine hydrochloride
    Hazmat
    Catalog Number:
    49347
    CAS Number:
    540-23-8
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00035497
    Molecular Formula:
    C7H10ClN
    Molecular Weight:
    143.61
    Specification Sheet

  • 4-Chlorotoluene

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    p-Chlorotoluene
    Hazmat
    Catalog Number:
    49345
    CAS Number:
    106-43-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00000631
    Molecular Formula:
    C7H7Cl
    Molecular Weight:
    126.58
    Specification Sheet

  • 4-Chloroaniline

    Hazmat
    Purity:
    ≥ 99.5% (GC)
    Synonym:
    p-Chloroaniline
    Hazmat
    Catalog Number:
    49344
    CAS Number:
    106-47-8
    Purity Limit:
    ≥ 99.5% (GC)
    MDL NO:
    MFCD00007835
    Molecular Formula:
    C6H6ClN
    Molecular Weight:
    127.57
    Specification Sheet

  • 2-Aminotoluene

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    o-Toluidine
    Hazmat
    Catalog Number:
    49343
    CAS Number:
    95-53-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00007730
    Molecular Formula:
    C7H9N
    Molecular Weight:
    107.15
    Specification Sheet

  • 2-Chloroaniline

    Hazmat
    Purity:
    ≥ 99.5% (GC)
    Synonym:
    o-Chloroaniline
    Hazmat
    Catalog Number:
    49341
    CAS Number:
    95-51-2
    Purity Limit:
    ≥ 99.5% (GC)
    MDL NO:
    MFCD00007656
    Molecular Formula:
    C6H6ClN
    Molecular Weight:
    127.57
    Specification Sheet

  • 2-Chlorotoluene

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    o-Chlorotoluene
    Hazmat
    Catalog Number:
    49342
    CAS Number:
    95-49-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00000562
    Molecular Formula:
    C7H7Cl
    Molecular Weight:
    126.58
    Specification Sheet

  • Acenaphthene

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    1,8-Ethylenenaphthalene
    Hazmat
    Catalog Number:
    49327
    CAS Number:
    83-32-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00003807
    Molecular Formula:
    C12H10
    Molecular Weight:
    154.21
    Specification Sheet

  • 3-Chlorotoluene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    m-Aminoanisole
    Hazmat
    Catalog Number:
    49338
    CAS Number:
    108-41-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00000595
    Molecular Formula:
    C7H7Cl
    Molecular Weight:
    126.58
    Specification Sheet

  • 4-Hydroxybenzoic acid

    Purity:
    ≥ 99% (GC)
    Synonym:
    p-Hydroxybenzoic acid
    Catalog Number:
    49322
    CAS Number:
    99-96-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00002547
    Molecular Formula:
    C7H6O3
    Molecular Weight:
    138.12
    Specification Sheet SDS

  • 3-Aminoanisole

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    m-Anisidine
    Hazmat
    Catalog Number:
    49337
    CAS Number:
    536-90-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00007783
    Molecular Formula:
    C7H9NO
    Molecular Weight:
    123.15
    Specification Sheet

  • 4-Methylumbelliferone sodium salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    7-Hydroxy-4-methylcoumarin
    Catalog Number:
    49326
    CAS Number:
    5980-33-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00069856
    Molecular Formula:
    C10H7NaO3
    Molecular Weight:
    198.15
    Specification Sheet SDS

  • 3-Aminopyridine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    3-Pyridinamine
    Hazmat
    Catalog Number:
    49318
    CAS Number:
    462-08-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006400
    Molecular Formula:
    C5H6N2
    Molecular Weight:
    94.11
    Specification Sheet

  • 3,4-Dichlorotoluene

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    49317
    CAS Number:
    95-75-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00000556
    Molecular Formula:
    C7H6Cl2
    Molecular Weight:
    161.03
    Specification Sheet

  • 3,5-Dihydroxybenzoic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    a-Resorcylic acid
    Catalog Number:
    49329
    CAS Number:
    99-10-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00002512
    Molecular Formula:
    C7H6O4
    Molecular Weight:
    154.12
    Specification Sheet SDS
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