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Heterocyclic Building Blocks

3766
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  • 2-(2-Bromoethoxy)tetrahydro-2H-pyran (stabilized with K2CO3)

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44585
    CAS Number:
    17739-45-6
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD01321310
    Molecular Formula:
    C7H13BrO2
    Molecular Weight:
    209.08
    Specification Sheet SDS

  • 4-Bromopiperidine hydrobromide

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    44574
    CAS Number:
    54288-70-9
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00191858
    Molecular Formula:
    C5H10BrN·HBr
    Molecular Weight:
    244.96
    Specification Sheet SDS

  • 2-(4-Chlorobutoxy)tetrahydropyran

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44582
    CAS Number:
    41302-05-0
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00142812
    Molecular Formula:
    C9H17ClO2
    Molecular Weight:
    192.68
    Specification Sheet SDS

  • 2-Chloroadenine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    6-Amino-2-chloropurine
    Catalog Number:
    44579
    CAS Number:
    1839-18-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037925
    Molecular Formula:
    C5H4ClN5
    Molecular Weight:
    169.57
    Specification Sheet SDS

  • 6-Chloro-7-iodo-7-deazapurine

    Purity:
    ≥ 95% (Assay by titration)
    Synonym:
    4-Chloro-5-iodo-7H-pyrrolo[2,3-d]pyrimidine
    Catalog Number:
    44581
    CAS Number:
    123148-78-7
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD09263258
    Molecular Formula:
    C6H3ClIN3
    Molecular Weight:
    279.47
    Specification Sheet SDS

  • 2-Amino-6-iodopurine

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44578
    CAS Number:
    19690-23-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03840496
    Molecular Formula:
    C5H4IN5
    Molecular Weight:
    261.03
    Specification Sheet SDS

  • 1-(2-Chlorophenyl)piperazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44561
    CAS Number:
    39512-50-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00040727
    Molecular Formula:
    C10H13ClN2
    Molecular Weight:
    196.68
    Specification Sheet SDS

  • 1-(3-Chloropropyl)piperidine hydrochloride

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    3-Piperidinopropyl chloride hydrochloride
    Catalog Number:
    44576
    CAS Number:
    5472-49-1
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00012838
    Molecular Formula:
    C8H16ClN·HCl
    Molecular Weight:
    198.13
    Specification Sheet SDS

  • 8-Chloro-1-(3-chloropropyl)theobromine

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    8-Chloro-1-(3-chloropropyl)-3,7-dimethyl-1H-purine-2,6(3H,7H-dione
    Catalog Number:
    44580
    Purity Limit:
    ≥ 95% (HPLC)
    Molecular Formula:
    C10H12Cl2N4O2
    Molecular Weight:
    291.13
    Specification Sheet SDS

  • 1-(4-Bromophenyl)piperidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44569
    CAS Number:
    22148-20-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04112533
    Molecular Formula:
    C11H14BrN
    Molecular Weight:
    240.14
    Specification Sheet SDS

  • Ethyl 4-Chloro-1-piperidinecarboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Chloro-1-piperidinecarboxylic acid ethyl ester
    Catalog Number:
    44570
    CAS Number:
    152820-13-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09038524
    Molecular Formula:
    C8H14ClNO2
    Molecular Weight:
    191.66
    Specification Sheet SDS

  • 4-Chloropiperidine

    Hazmat
    Purity:
    ≥ 97% (GC)
    Hazmat
    Catalog Number:
    44572
    CAS Number:
    5382-18-3
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD09997828
    Molecular Formula:
    C5H10ClN
    Molecular Weight:
    0
    Specification Sheet SDS

  • 4-(4-Chlorophenyl)-4-hydroxypiperidine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    4-(4-Chlorophenyl)-4-piperidinol
    Catalog Number:
    44567
    CAS Number:
    39512-49-7
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00006001
    Molecular Formula:
    C11H14ClNO
    Molecular Weight:
    211.69
    Specification Sheet SDS

  • 3-Bromooxetane

    Hazmat
    Purity:
    ≥ 95% (GC)
    Synonym:
    2-Bromo-1,3-epoxypropane
    Hazmat
    Catalog Number:
    44560
    CAS Number:
    39267-79-3
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD08544402
    Molecular Formula:
    C3H5BrO
    Molecular Weight:
    0
    Specification Sheet SDS

  • tert-Butyl 4-(4-Bromopyrazol-1-yl)piperidine-1-carboxylate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-(4-Bromopyrazol-1-yl)piperidine-1-carboxylic acidtert-butyl ester
    Catalog Number:
    44568
    CAS Number:
    877399-50-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD09831980
    Molecular Formula:
    C13H20BrN3O2
    Molecular Weight:
    330.23
    Specification Sheet SDS

  • 4-(4-Chlorophenyl)piperidine

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44575
    CAS Number:
    26905-02-2
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD03077010
    Molecular Formula:
    C11H14ClN
    Molecular Weight:
    195.69
    Specification Sheet SDS

  • 1-(4-Chlorobenzyl)piperazine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44564
    CAS Number:
    23145-88-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00040791
    Molecular Formula:
    C11H15ClN2
    Molecular Weight:
    0
    Specification Sheet SDS

  • 1-(3,4-Dichlorophenyl)piperazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44563
    CAS Number:
    57260-67-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00023128
    Molecular Formula:
    C10H12Cl2N2
    Molecular Weight:
    231.12
    Specification Sheet SDS

  • 4-(4,6-Dichloro-2-pyrimidyl)morpholine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(4-Morpholino)-4,6-dichloropyrimidine
    Catalog Number:
    44546
    CAS Number:
    10397-13-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD05022359
    Molecular Formula:
    C8H9Cl2N3O
    Molecular Weight:
    234.08
    Specification Sheet SDS

  • 4-Chloro-2,1,3-benzoxadiazole

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    4-Chlorobenzofurazan
    Catalog Number:
    44553
    CAS Number:
    7116-16-7
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00191329
    Molecular Formula:
    C6H3ClN2O
    Molecular Weight:
    154.55
    Specification Sheet SDS

  • 1-(4-Chlorophenyl)piperazine hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44566
    CAS Number:
    13078-12-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00060187
    Molecular Formula:
    C10H13ClN2·HCl
    Molecular Weight:
    233.14
    Specification Sheet SDS

  • 3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carbonyl chloride

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44543
    CAS Number:
    4462-55-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00052556
    Molecular Formula:
    C11H6Cl3NO2
    Molecular Weight:
    290.52
    Specification Sheet SDS

  • 1-(4-Bromophenyl)piperazine hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44565
    CAS Number:
    68104-62-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00674134
    Molecular Formula:
    C10H13BrN2·HCl
    Molecular Weight:
    277.59
    Specification Sheet SDS

  • 2,4-Dichloro-1,8-naphthyridine

    Purity:
    ≥ 96% (GC)
    Synonym:
    2,4-Dichloro-1,8-diazanaphthalene
    Catalog Number:
    44552
    CAS Number:
    59514-89-5
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00234380
    Molecular Formula:
    C8H4Cl2N2
    Molecular Weight:
    199.03
    Specification Sheet SDS

  • 4-Iodo-3,5-dimethylisoxazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44545
    CAS Number:
    10557-85-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00173743
    Molecular Formula:
    C5H6INO
    Molecular Weight:
    223.01
    Specification Sheet SDS

  • 3-(Bromomethyl)-3-oxetanemethanol

    Purity:
    ≥ 97% (GC)
    Synonym:
    2-(Bromomethyl)-2-(hydroxymethyl)-1,3-epoxypropane
    Catalog Number:
    44557
    CAS Number:
    22633-44-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD09800598
    Molecular Formula:
    C5H9BrO2
    Molecular Weight:
    181.03
    Specification Sheet SDS

  • 5-Chloromethyl-2-oxazolidinone

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44555
    CAS Number:
    22625-57-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005269
    Molecular Formula:
    C4H6ClNO2
    Molecular Weight:
    135.55
    Specification Sheet SDS

  • 3,3-Bis(bromomethyl)oxetane

    Purity:
    ≥ 95% (GC)
    Synonym:
    2,2-Bis(bromomethyl)-1,3-epoxypropane
    Catalog Number:
    44559
    CAS Number:
    2402-83-7
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00269694
    Molecular Formula:
    C5H8Br2O
    Molecular Weight:
    243.93
    Specification Sheet SDS

  • 3-(Bromomethyl)-3-methyloxetane

    Purity:
    ≥ 97% (GC)
    Synonym:
    2-(Bromomethyl)-2-methyl-1,3-epoxypropane
    Catalog Number:
    44556
    CAS Number:
    78385-26-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD02684290
    Molecular Formula:
    C5H9BrO
    Molecular Weight:
    165.03
    Specification Sheet SDS

  • 1-(4-Chlorobenzhydryl)piperazine

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-(4-Chlorodiphenylmethyl)piperazine
    Catalog Number:
    44562
    CAS Number:
    303-26-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005965
    Molecular Formula:
    C17H19ClN2
    Molecular Weight:
    286.8
    Specification Sheet SDS

  • 5-Chloro-1-methylisatin

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Chloro-1-methylindole-2,3-dione
    Catalog Number:
    44530
    CAS Number:
    60434-13-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02956479
    Molecular Formula:
    C9H6ClNO2
    Molecular Weight:
    195.6
    Specification Sheet SDS

  • 7-Chloroisatin

    Purity:
    ≥ 98% (GC)
    Synonym:
    7-Chloroindole-2,3-dione
    Catalog Number:
    44520
    CAS Number:
    7477-63-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00022796
    Molecular Formula:
    C8H4ClNO2
    Molecular Weight:
    181.58
    Specification Sheet SDS

  • 5-Chloro-3-phenyl-2,1-benzisoxazole

    Purity:
    ≥ 96% (GC)
    Synonym:
    5-Chloro-3-phenylanthranil
    Catalog Number:
    44542
    CAS Number:
    719-64-2
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00014573
    Molecular Formula:
    C13H8ClNO
    Molecular Weight:
    229.66
    Specification Sheet SDS

  • 4-(Chloromethyl)-3,5-dimethylisoxazole

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44544
    CAS Number:
    19788-37-5
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00003154
    Molecular Formula:
    C6H8ClNO
    Molecular Weight:
    145.59
    Specification Sheet SDS

  • 4-Morpholinylcarbonyl chloride

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    4-Chlorocarbonylmorpholine
    Hazmat
    Catalog Number:
    44551
    CAS Number:
    15159-40-7
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00037053
    Molecular Formula:
    C5H8ClNO2
    Molecular Weight:
    0
    Specification Sheet SDS

  • 4-(4-Chlorophenyl)thiomorpholine 1,1-dioxide

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-(1,1-Dioxothiomorpholino)phenyl chloride
    Catalog Number:
    44548
    CAS Number:
    82222-74-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD07366283
    Molecular Formula:
    C10H12ClNO2S
    Molecular Weight:
    245.72
    Specification Sheet SDS

  • 4-Chloro-7-chlorosulfonyl-2,1,3-benzoxadiazole [Bifunctional Fluorescent Reagent]

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Chloro-2,1,3-benzoxadiazole-7-sulfonyl chloride
    Hazmat
    Catalog Number:
    44554
    CAS Number:
    142246-48-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00191405
    Molecular Formula:
    C6H2Cl2N2O3S
    Molecular Weight:
    0
    Specification Sheet SDS

  • 1-Chloroisoquinoline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44538
    CAS Number:
    19493-44-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00024134
    Molecular Formula:
    C9H6ClN
    Molecular Weight:
    163.6
    Specification Sheet SDS

  • 4-(4-Chlorophenyl)morpholine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44549
    CAS Number:
    70291-67-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09038510
    Molecular Formula:
    C10H12ClNO
    Molecular Weight:
    0
    Specification Sheet SDS

  • 4-(4-Bromophenyl)thiomorpholine 1,1-dioxide

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-(1,1-Dioxothiomorpholino)phenyl bromide
    Catalog Number:
    44550
    CAS Number:
    1093878-42-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08276281
    Molecular Formula:
    C10H12BrNO2S
    Molecular Weight:
    290.18
    Specification Sheet SDS

  • 4-(2,6-Dichloro-4-pyrimidyl)morpholine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,4-Dichloro-6-(4-morpholino)pyrimidine
    Catalog Number:
    44547
    CAS Number:
    52127-83-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09746259
    Molecular Formula:
    C8H9Cl2N3O
    Molecular Weight:
    234.08
    Specification Sheet SDS

  • 3-Chloro-1,2-benzisothiazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44541
    CAS Number:
    7716-66-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00673254
    Molecular Formula:
    C7H4ClNS
    Molecular Weight:
    169.63
    Specification Sheet SDS

  • 3-(4-Chlorobutyl)indole-5-carbonitrile

    Purity:
    ≥ 97% (GC)
    Synonym:
    3-(4-Chlorobutyl)-5-cyanoindole
    Catalog Number:
    44529
    CAS Number:
    143612-79-7
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD09833261
    Molecular Formula:
    C13H13ClN2
    Molecular Weight:
    232.71
    Specification Sheet SDS

  • Ethyl 3-Bromoindole-2-carboxylate

    Purity:
    ≥ 95% (GC)
    Synonym:
    3-Bromoindole-2-carboxylic acid ethyl ester
    Catalog Number:
    44525
    CAS Number:
    91348-45-7
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD02071793
    Molecular Formula:
    C11H10BrNO2
    Molecular Weight:
    268.11
    Specification Sheet SDS

  • 4-Bromoisoquinoline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44537
    CAS Number:
    1532-97-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006904
    Molecular Formula:
    C9H6BrN
    Molecular Weight:
    208.06
    Specification Sheet SDS

  • 6-Bromoisoquinoline

    Purity:
    ≥ 97% (Assay)
    Catalog Number:
    44540
    CAS Number:
    34784-05-9
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD04973299
    Molecular Formula:
    C9H6BrN
    Molecular Weight:
    208.06
    Specification Sheet SDS

  • 1-Iodoisoquinoline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44539
    CAS Number:
    19658-77-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00234494
    Molecular Formula:
    C9H6IN
    Molecular Weight:
    255.06
    Specification Sheet SDS

  • 7-Bromooxindole

    Purity:
    ≥ 98% (GC)
    Synonym:
    7-Bromo-2-indolinone
    Catalog Number:
    44532
    CAS Number:
    320734-35-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02179613
    Molecular Formula:
    C8H6BrNO
    Molecular Weight:
    212.05
    Specification Sheet SDS

  • 1-Bromoisoquinoline

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    44536
    CAS Number:
    1532-71-4
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00234478
    Molecular Formula:
    C9H6BrN
    Molecular Weight:
    208.06
    Specification Sheet SDS

  • 6-Chloro-5-(2-chloroethyl)oxindole

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Chloro-5-(2-chloroethyl)-2-indolinone
    Hazmat
    Catalog Number:
    44528
    CAS Number:
    118289-55-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03411598
    Molecular Formula:
    C10H9Cl2NO
    Molecular Weight:
    0
    Specification Sheet SDS
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