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Heterocyclic Building Blocks

3724

  • 5-Nitrobenzimidazole nitrate

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    42610
    CAS Number:
    27896-84-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00013157
    Molecular Formula:
    C7H5N3O2·HNO3
    Molecular Weight:
    226.15
    Specification Sheet SDS

  • 2-Benzylbenzimidazole hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    42616
    CAS Number:
    1212-48-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00443659
    Molecular Formula:
    C14H12N2·HCl
    Molecular Weight:
    244.72
    Specification Sheet SDS

  • 5-(Acetoacetamido)-2-benzimidazolinone

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    42611
    CAS Number:
    26576-46-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00444508
    Molecular Formula:
    C11H11N3O3
    Molecular Weight:
    233.23
    Specification Sheet SDS

  • 2-Amino-5-nitrobenzimidazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    42599
    CAS Number:
    6232-92-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06659794
    Molecular Formula:
    C7H6N4O2
    Molecular Weight:
    178.15
    Specification Sheet SDS

  • 2-Methylbenzimidazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42607
    CAS Number:
    615-15-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005598
    Molecular Formula:
    C8H8N2
    Molecular Weight:
    132.17
    Specification Sheet SDS

  • 2-[1-(tert-Butoxycarbonyl)azetidin-3-yl]acetic acid

    Purity:
    ≥ 98% (GC )
    Synonym:
    2-[1-Boc-azetidin-3-yl]acetic acid
    Catalog Number:
    42583
    CAS Number:
    183062-96-6
    Purity Limit:
    ≥ 98% (GC )
    MDL NO:
    MFCD02179028
    Molecular Formula:
    C10H17NO4
    Molecular Weight:
    215.25
    Specification Sheet SDS

  • 2-Phenyl-5-benzimidazolesulfonic acid

    Purity:
    ≥ 95% (Assay by titration)
    Catalog Number:
    42621
    CAS Number:
    27503-81-7
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD00053007
    Molecular Formula:
    C13H10N2O3S
    Molecular Weight:
    274.29
    Specification Sheet SDS

  • 2-Mercapto-5-methylbenzimidazole

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Methyl-2-benzimidazolethiol
    Catalog Number:
    42604
    CAS Number:
    27231-36-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00010617
    Molecular Formula:
    C8H8N2S
    Molecular Weight:
    164.23
    Specification Sheet SDS

  • 5-Aminobenzimidazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42593
    CAS Number:
    934-22-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00465258
    Molecular Formula:
    C7H7N3
    Molecular Weight:
    133.15
    Specification Sheet SDS

  • 1-Methylbenzimidazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42602
    CAS Number:
    1632-83-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00192275
    Molecular Formula:
    C8H8N2
    Molecular Weight:
    132.17
    Specification Sheet SDS

  • 2-(2-Hydroxyphenyl)-1H-benzimidazole

    Purity:
    ≥ 98% (GC )
    Synonym:
    2-(1H-Benzo[d]imidazol-2-yl)phenol
    Catalog Number:
    42592
    CAS Number:
    2963-66-8
    Purity Limit:
    ≥ 98% (GC )
    MDL NO:
    MFCD00022668
    Molecular Formula:
    C13H10N2O
    Molecular Weight:
    210.24
    Specification Sheet SDS

  • 2-(3-Hydroxypropyl)benzimidazole

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    2-Benzimidazolepropanol
    Catalog Number:
    42601
    CAS Number:
    2403-66-9
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00022688
    Molecular Formula:
    C10H12N2O
    Molecular Weight:
    176.22
    Specification Sheet SDS

  • 5,6-Diaminobenzimidazolinone

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    5,6-Diamino-2-hydroxybenzimidazole
    Catalog Number:
    42590
    CAS Number:
    55621-49-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00994340
    Molecular Formula:
    C7H8N4O
    Molecular Weight:
    164.17
    Specification Sheet SDS

  • 2-Mercapto-5-nitrobenzimidazole

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Nitro-2-benzimidazolethiol
    Catalog Number:
    42595
    CAS Number:
    6325-91-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00804727
    Molecular Formula:
    C7H5N3O2S
    Molecular Weight:
    195.2
    Specification Sheet SDS

  • 2-(Methylthio)benzimidazole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-Methylmercaptobenzimidazole
    Catalog Number:
    42596
    CAS Number:
    7152-24-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005594
    Molecular Formula:
    C8H8N2S
    Molecular Weight:
    164.23
    Specification Sheet SDS

  • 1-Benzhydrylazetidine-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1-(Diphenylmethyl)azetidine-3-carboxylic acid
    Catalog Number:
    42574
    CAS Number:
    36476-87-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01566538
    Molecular Formula:
    C17H17NO2
    Molecular Weight:
    267.33
    Specification Sheet SDS

  • 2-Oxa-6-azaspiro[3.3]heptane

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    42567
    CAS Number:
    174-78-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD12407093
    Molecular Formula:
    C5H9NO
    Molecular Weight:
    99.13
    Specification Sheet SDS

  • 1-(tert-Butoxycarbonyl)azetidine-3-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Boc-azetidine-3-carboxaldehyde
    Catalog Number:
    42582
    CAS Number:
    177947-96-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD06656142
    Molecular Formula:
    C9H15NO3
    Molecular Weight:
    185.22
    Specification Sheet SDS

  • 4-Methyl-2-propyl-6-benzimidazolecarboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    6-Carboxy-4-methyl-2-propylbenzimidazole
    Catalog Number:
    42588
    CAS Number:
    152628-03-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06656215
    Molecular Formula:
    C12H14N2O2
    Molecular Weight:
    218.26
    Specification Sheet SDS

  • 4-(Phenylsulfonyl)-2-azetidinone

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Hazmat
    Catalog Number:
    42568
    CAS Number:
    31899-01-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00272351
    Molecular Formula:
    C9H9NO3S
    Molecular Weight:
    211.24
    Specification Sheet SDS

  • 4-Hydroxybenzimidazole

    Purity:
    ≥ 98% (GC )
    Synonym:
    1H-Benzo[d]imidazol-4-ol
    Catalog Number:
    42589
    CAS Number:
    67021-83-4
    Purity Limit:
    ≥ 98% (GC )
    MDL NO:
    MFCD00963978
    Molecular Formula:
    C7H6N2O
    Molecular Weight:
    134.14
    Specification Sheet SDS

  • 1-(tert-Butoxycarbonyl)-3-azetidinemethanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Boc-3-azetidinemethanol
    Catalog Number:
    42577
    CAS Number:
    142253-56-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD06656141
    Molecular Formula:
    C9H17NO3
    Molecular Weight:
    187.24
    Specification Sheet SDS

  • tert-Butyl 2,6-diazaspiro[3.3]heptane-2-carboxylate

    Purity:
    ≥ 98% (GC )
    Synonym:
    2,6-Diazaspiro[3.3]heptane-2-carboxylic acid tert-butyl ester
    Catalog Number:
    42578
    CAS Number:
    1041026-70-3
    Purity Limit:
    ≥ 98% (GC )
    MDL NO:
    MFCD11226963
    Molecular Formula:
    C10H18N2O2
    Molecular Weight:
    198.27
    Specification Sheet SDS

  • 1-(tert-Butoxycarbonyl)-3-(cyanomethylene)azetidine

    Hazmat
    Purity:
    ≥ 95% (GC)
    Synonym:
    1-Boc-3-(cyanomethylene)azetidine
    Hazmat
    Catalog Number:
    42584
    CAS Number:
    1153949-11-1
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD12761241
    Molecular Formula:
    C10H14N2O2
    Molecular Weight:
    194.23
    Specification Sheet SDS

  • 1-(tert-Butoxycarbonyl)-3-hydroxyazetidine

    Purity:
    ≥ 96% (GC)
    Synonym:
    1-Boc-3-hydroxyazetidine
    Catalog Number:
    42581
    CAS Number:
    141699-55-0
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD04115305
    Molecular Formula:
    C8H15NO3
    Molecular Weight:
    173.21
    Specification Sheet SDS

  • 5,6-Dimethylbenzimidazole

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    42591
    CAS Number:
    582-60-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005603
    Molecular Formula:
    C9H10N2
    Molecular Weight:
    146.19
    Specification Sheet SDS

  • tert-Butyl 3-(2-ethoxy-2-oxoethylidene)azetidine-1-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-(2-Ethoxy-2-oxoethylidene)azetidine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    42579
    CAS Number:
    1002355-96-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD16140210
    Molecular Formula:
    C12H19NO4
    Molecular Weight:
    241.29
    Specification Sheet SDS

  • 2-(1-Hydroxyethyl)benzimidazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-(Benzimidazol-2-yl)ethanol
    Catalog Number:
    42594
    CAS Number:
    19018-24-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00016718
    Molecular Formula:
    C9H10N2O
    Molecular Weight:
    162.19
    Specification Sheet SDS

  • 1-(Diphenylmethyl)-3-hydroxyazetidine

    Purity:
    ≥ 99% (GC)
    Synonym:
    1-(Diphenylmethyl)-3-azetidinol
    Catalog Number:
    42571
    CAS Number:
    18621-17-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00205109
    Molecular Formula:
    C16H17NO
    Molecular Weight:
    239.32
    Specification Sheet SDS

  • Azetidine hydrochloride

    Purity:
    ≥ 95% (Assay by titration)
    Synonym:
    Trimethyleneimine hydrochloride
    Catalog Number:
    42573
    CAS Number:
    36520-39-5
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD00191762
    Molecular Formula:
    C3H7N·HCl
    Molecular Weight:
    93.55
    Specification Sheet SDS

  • 3-Hydroxyazetidine hydrochloride

    Purity:
    ≥ 98%
    Synonym:
    3-Azetidinol hydrochloride
    Catalog Number:
    42566
    CAS Number:
    18621-18-6
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD02683887
    Molecular Formula:
    C3H7NO·HCl
    Molecular Weight:
    109.55
    Specification Sheet SDS

  • 1-(tert-Butoxycarbonyl)-3-azetidinone

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Boc-3-azetidinone
    Catalog Number:
    42580
    CAS Number:
    398489-26-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01861741
    Molecular Formula:
    C8H13NO3
    Molecular Weight:
    171.2
    Specification Sheet SDS

  • tert-Butyl 3-[(methylsulfonyl)oxy]azetidine-1-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-[(Methylsulfonyl)oxy]azetidine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    42575
    CAS Number:
    141699-58-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD05664832
    Molecular Formula:
    C9H17NO5S
    Molecular Weight:
    251.3
    Specification Sheet SDS

  • 3-Amino-1-(diphenylmethyl)azetidine

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Benzhydrylazetidin-3-amine
    Catalog Number:
    42564
    CAS Number:
    40432-52-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03093386
    Molecular Formula:
    C16H18N2
    Molecular Weight:
    238.33
    Specification Sheet SDS

  • Methyl azetidine-3-carboxylate hydrochloride

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    Azetidine-3-carboxylic acid methyl ester hydrochloride
    Catalog Number:
    42585
    CAS Number:
    100202-39-9
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD01861758
    Molecular Formula:
    C5H9NO2·HCl
    Molecular Weight:
    151.59
    Specification Sheet SDS

  • 1-Benzhydryl-3-azetidinone

    Purity:
    ≥ 96% (GC)
    Synonym:
    1-Diphenylmethyl-3-azetidinone
    Catalog Number:
    42576
    CAS Number:
    40320-60-3
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00964539
    Molecular Formula:
    C16H15NO
    Molecular Weight:
    237.3
    Specification Sheet SDS

  • Sodium 2-mercapto-5-benzimidazolesulfonate dihydrate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Mercapto-5-benzimidazolesulfonic acid sodium salt dihydrate
    Catalog Number:
    42587
    CAS Number:
    207511-11-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00192260
    Molecular Formula:
    C7H5N2NaO3S2·2H2O
    Molecular Weight:
    288.27
    Specification Sheet SDS

  • Azetidin-3-ylmethanol hydrochloride

    Purity:
    ≥ 97% (NMR)
    Synonym:
    3-Azetidinemethanol hydrochloride
    Catalog Number:
    42570
    CAS Number:
    928038-44-2
    Purity Limit:
    ≥ 97% (NMR)
    MDL NO:
    MFCD09743446
    Molecular Formula:
    C4H9NO·HCl
    Molecular Weight:
    123.58
    Specification Sheet SDS

  • 9-Aminoacridine hydrochloride monohydrate

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    42554
    CAS Number:
    52417-22-8
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00150071
    Molecular Formula:
    C13H10N2·HCl·H2O
    Molecular Weight:
    248.72
    Specification Sheet SDS

  • 9,10-Dihydroacridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42552
    CAS Number:
    92-81-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00022256
    Molecular Formula:
    C13H11N
    Molecular Weight:
    181.24
    Specification Sheet SDS

  • tert-Butyl 3-methyleneazetidine-1-carboxylate

    Purity:
    ≥ 95% (GC)
    Synonym:
    3-Methyleneazetidine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    42565
    CAS Number:
    934664-41-2
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD12031229
    Molecular Formula:
    C9H15NO2
    Molecular Weight:
    169.22
    Specification Sheet SDS

  • 1-Benzhydryl-3-azetidinyl methanesulfonate

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    1-(Diphenylmethyl)-3-azetidinyl methanesulfonate
    Catalog Number:
    42563
    CAS Number:
    33301-41-6
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00159216
    Molecular Formula:
    C17H19NO3S
    Molecular Weight:
    317.4
    Specification Sheet SDS

  • Ethyl 1-(tert-butoxycarbonyl)-3-azetidineacetate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Ethyl 1-Boc-3-azetidineacetate
    Catalog Number:
    42572
    CAS Number:
    158602-35-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD11616049
    Molecular Formula:
    C12H21NO4
    Molecular Weight:
    243.3
    Specification Sheet SDS

  • Azetidine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Trimethyleneimine
    Hazmat
    Catalog Number:
    42569
    CAS Number:
    503-29-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005165
    Molecular Formula:
    C3H7N
    Molecular Weight:
    57.1
    Specification Sheet SDS

  • 9-Acridinecarboxylic acid hydrate

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    42561
    CAS Number:
    332927-03-4
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00149578
    Molecular Formula:
    C14H9NO2·xH2O
    Molecular Weight:
    223.23
    Specification Sheet SDS

  • 9-Aminoacridine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    9-AA
    Catalog Number:
    42553
    CAS Number:
    90-45-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00037839
    Molecular Formula:
    C13H10N2
    Molecular Weight:
    194.24
    Specification Sheet SDS

  • Acridine-3,6-diamine

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    3,6-Diaminoacridine
    Catalog Number:
    42558
    CAS Number:
    92-62-6
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD00005030
    Molecular Formula:
    C13H11N3
    Molecular Weight:
    209.25
    Specification Sheet SDS

  • 3,6-Diacetamidoacridine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    N,N-(Acridine-3,6-diyl)diacetamide
    Catalog Number:
    42559
    CAS Number:
    15724-70-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD18429636
    Molecular Formula:
    C17H15N3O2
    Molecular Weight:
    293.33
    Specification Sheet SDS

  • 10-Methyl-9(10H)-acridone

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    N-Methyl-9-acridone
    Catalog Number:
    42562
    CAS Number:
    719-54-0
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00005024
    Molecular Formula:
    C14H11NO
    Molecular Weight:
    209.25
    Specification Sheet SDS

  • 9-Phenylacridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    42560
    CAS Number:
    602-56-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00092562
    Molecular Formula:
    C19H13N
    Molecular Weight:
    255.32
    Specification Sheet SDS
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