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Heterocyclic Building Blocks

3723
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  • 3-Chloro-2-methoxypyridine

    Hazmat
    Purity:
    ≥ 97% (GC)
    Hazmat
    Catalog Number:
    44716
    CAS Number:
    13472-84-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD03095227
    Molecular Formula:
    C6H6ClNO
    Molecular Weight:
    143.57
    Specification Sheet SDS

  • 2-Chloroisonicotinamide

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    2-Chloropyridine-4-carboxamide
    Catalog Number:
    44714
    CAS Number:
    100859-84-5
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00221401
    Molecular Formula:
    C6H5ClN2O
    Molecular Weight:
    156.57
    Specification Sheet SDS

  • 5-Chloro-2-hydroxynicotinic acid

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    5-Chloro-2-hydroxy-3-pyridinecarboxylic acid
    Catalog Number:
    44707
    CAS Number:
    38076-80-1
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00204158
    Molecular Formula:
    C6H4ClNO3
    Molecular Weight:
    173.55
    Specification Sheet SDS

  • 5-Chloronicotinic acid

    Purity:
    ≥ 95% (GC)
    Synonym:
    5-Chloro-3-pyridinecarboxylic acid
    Catalog Number:
    44708
    CAS Number:
    22620-27-5
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00128901
    Molecular Formula:
    C6H4ClNO2
    Molecular Weight:
    157.55
    Specification Sheet SDS

  • 1,1'-[1,4-Phenylenebis(methylene)]bis(4,4'-bipyridinium) bis(hexafluorophosphate)

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1,1'-(p-Xylylene)bis(4,4'-bipyridinium) bis(hexafluorophosphate)
    Catalog Number:
    44704
    CAS Number:
    108861-20-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02063876
    Molecular Formula:
    C28H24F12N4P2
    Molecular Weight:
    706.46
    Specification Sheet SDS

  • 2-Chloro-4-pyridinecarboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloroisonicotinaldehyde
    Catalog Number:
    44706
    CAS Number:
    101066-61-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD06651557
    Molecular Formula:
    C6H4ClNO
    Molecular Weight:
    141.55
    Specification Sheet SDS

  • 4-Chloropyridine-2-carboxamide

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    4-Chloropicolinamide
    Catalog Number:
    44709
    CAS Number:
    99586-65-9
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD01085339
    Molecular Formula:
    C6H5ClN2O
    Molecular Weight:
    156.57
    Specification Sheet SDS

  • 4-(tert-Butyl)-2-chloropyridine

    Purity:
    ≥ 99.5% (GC)
    Catalog Number:
    44691
    CAS Number:
    81167-60-4
    Purity Limit:
    ≥ 99.5% (GC)
    MDL NO:
    MFCD12131129
    Molecular Formula:
    C9H12ClN
    Molecular Weight:
    169.65
    Specification Sheet SDS

  • tert-Butyl 2,6-Dichloroisonicotinate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,6-Dichloroisonicotinic acid tert-butyl ester
    Catalog Number:
    44689
    CAS Number:
    75308-46-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08445655
    Molecular Formula:
    C10H11Cl2NO2
    Molecular Weight:
    248.1
    Specification Sheet SDS

  • 2-Bromo-6-(2-methyl-1,3-dioxolan-2-yl)pyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44699
    CAS Number:
    49669-14-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD12406888
    Molecular Formula:
    C9H10BrNO2
    Molecular Weight:
    244.09
    Specification Sheet SDS

  • Ethyl 6-bromopyridine-2-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Bromopicolinic acid ethyl ester
    Catalog Number:
    44703
    CAS Number:
    21190-88-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04116913
    Molecular Formula:
    C8H8BrNO2
    Molecular Weight:
    230.06
    Specification Sheet SDS

  • 3-Benzyloxy-5-bromopyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44702
    CAS Number:
    130722-95-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD07375004
    Molecular Formula:
    C12H10BrNO
    Molecular Weight:
    264.12
    Specification Sheet SDS

  • 2-Chloro-N-(2-chloro-4-methyl-3-pyridyl)nicotinamide

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloro-N-(2-chloro-4-methylpyridin-3-yl)pyridine-3-carboxamide
    Catalog Number:
    44682
    CAS Number:
    133627-46-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09031256
    Molecular Formula:
    C12H9Cl2N3O
    Molecular Weight:
    282.12
    Specification Sheet SDS

  • 2-(4-Chlorobenzoyl)pyridine

    Purity:
    ≥ 97% (GC)
    Synonym:
    4-Chlorophenyl 2-pyridyl ketone
    Catalog Number:
    44705
    CAS Number:
    6318-51-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD02930888
    Molecular Formula:
    C12H8ClNO
    Molecular Weight:
    217.65
    Specification Sheet SDS

  • 2-Benzyloxy-5-bromopyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44701
    CAS Number:
    83664-33-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09037462
    Molecular Formula:
    C12H10BrNO
    Molecular Weight:
    264.12
    Specification Sheet SDS

  • 2-Bromo-6-benzyloxypyridine

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44685
    CAS Number:
    117068-71-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00234782
    Molecular Formula:
    C12H10BrNO
    Molecular Weight:
    264.12
    Specification Sheet SDS

  • 2-Chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(6-Chloro-3-pyridyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
    Catalog Number:
    44695
    CAS Number:
    444120-94-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03412793
    Molecular Formula:
    C11H15BClNO2
    Molecular Weight:
    239.51
    Specification Sheet SDS

  • 2-(Chloromethyl)-3,4-dimethoxypyridine hydrochloride

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Hazmat
    Catalog Number:
    44696
    CAS Number:
    72830-09-2
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD02181083
    Molecular Formula:
    C8H10ClNO2·HCl
    Molecular Weight:
    224.08
    Specification Sheet SDS

  • 2,3-Diamino-5-bromopyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromo-2,3-diaminopyridine
    Catalog Number:
    44649
    CAS Number:
    38875-53-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00460094
    Molecular Formula:
    C5H6BrN3
    Molecular Weight:
    188.03
    Specification Sheet SDS

  • 1,1'-[Biphenyl-4,4'-diylbis(methylene)]bis(4,4'-bipyridinium) Bis(hexafluorophosphate)

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44698
    CAS Number:
    134815-78-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06797055
    Molecular Formula:
    C34H28F12N4P2
    Molecular Weight:
    782.55
    Specification Sheet SDS

  • Ethyl 5,6-dichloronicotinate

    Purity:
    ≥ 98% (GC)
    Synonym:
    5,6-Dichloronicotinic acid ethyl ester
    Catalog Number:
    44694
    CAS Number:
    401566-69-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03093627
    Molecular Formula:
    C8H7Cl2NO2
    Molecular Weight:
    220.05
    Specification Sheet SDS

  • Ethyl 2,6-dichloronicotinate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,6-Dichloronicotinic acid ethyl ester
    Catalog Number:
    44692
    CAS Number:
    58584-86-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09757510
    Molecular Formula:
    C8H7Cl2NO2
    Molecular Weight:
    220.05
    Specification Sheet SDS

  • 2,3,5,6-Tetrachloropyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44675
    CAS Number:
    2402-79-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00092428
    Molecular Formula:
    C5HCl4N
    Molecular Weight:
    216.87
    Specification Sheet SDS

  • 4-(4-Chlorobenzyl)pyridine

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44693
    CAS Number:
    4409-11-4
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00006444
    Molecular Formula:
    C12H10ClN
    Molecular Weight:
    203.67
    Specification Sheet SDS

  • 2-(5-Bromo-2-pyridylazo)-5-dimethylaminophenol [for Colorimetric Determination of Cd]

    Purity:
    ≥ 93% (HPLC)
    Synonym:
    2-(4-Dimethylamino-2-hydroxyphenylazo)-5-bromopyridine
    Catalog Number:
    44697
    CAS Number:
    50783-82-9
    Purity Limit:
    ≥ 93% (HPLC)
    MDL NO:
    MFCD00059779
    Molecular Formula:
    C13H13BrN4O
    Molecular Weight:
    321.18
    Specification Sheet SDS

  • 2-(2-Bromophenyl)pyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44686
    CAS Number:
    109306-86-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD15529755
    Molecular Formula:
    C11H8BrN
    Molecular Weight:
    234.1
    Specification Sheet SDS

  • 1,1'-[1,4-Phenylenebis(methylene)]bis(4,4'-bipyridinium) Dibromide

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1,1'-(p-Xylylene)bis(4,4'-bipyridinium) dibromide
    Catalog Number:
    44690
    CAS Number:
    106867-97-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03844804
    Molecular Formula:
    C28H24Br2N4
    Molecular Weight:
    576.34
    Specification Sheet SDS

  • α-(4-Chlorophenyl)-2-pyridinemethanol

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44678
    CAS Number:
    27652-89-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00023493
    Molecular Formula:
    C12H10ClNO
    Molecular Weight:
    219.67
    Specification Sheet SDS

  • 2-Acetamido-5-bromo-4-methylpyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Acetamido-5-bromo-4-picoline
    Catalog Number:
    44687
    CAS Number:
    142404-82-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD06798092
    Molecular Formula:
    C8H9BrN2O
    Molecular Weight:
    229.08
    Specification Sheet SDS

  • Dimethyl 4-Chloro-2,6-pyridinedicarboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Chloro-2,6-pyridinedicarboxylic acid dimethyl ester
    Catalog Number:
    44683
    CAS Number:
    5371-70-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02612781
    Molecular Formula:
    C9H8ClNO4
    Molecular Weight:
    229.62
    Specification Sheet SDS

  • 1,1'-[Biphenyl-4,4'-diylbis(methylene)]bis(4,4'-bipyridinium) Dibromide

    Purity:
    ≥ 96% (HPLC)
    Catalog Number:
    44684
    CAS Number:
    2232875-70-4
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD06797054
    Molecular Formula:
    C34H28Br2N4
    Molecular Weight:
    652.43
    Specification Sheet SDS

  • Ethyl 2-Chloro-6-methylisonicotinate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloro-6-methylisonicotinic acid ethyl ester
    Catalog Number:
    44688
    CAS Number:
    3998-88-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09842151
    Molecular Formula:
    C9H10ClNO2
    Molecular Weight:
    199.63
    Specification Sheet SDS

  • 2,4,6-Tribromopyridine

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44673
    CAS Number:
    2408-70-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00234002
    Molecular Formula:
    C5H2Br3N
    Molecular Weight:
    315.79
    Specification Sheet SDS

  • 2,6-Dichloro-3-iodopyridine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44674
    CAS Number:
    148493-37-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03094686
    Molecular Formula:
    C5H2Cl2IN
    Molecular Weight:
    273.88
    Specification Sheet SDS

  • 2-(4-Chlorobenzyl)pyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44681
    CAS Number:
    4350-41-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006353
    Molecular Formula:
    C12H10ClN
    Molecular Weight:
    203.67
    Specification Sheet SDS

  • 6-Chloro-N-methoxy-N-methylnicotinamide

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44679
    CAS Number:
    149281-42-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09991647
    Molecular Formula:
    C8H9ClN2O2
    Molecular Weight:
    200.62
    Specification Sheet SDS

  • 2-Chloro-4-iodo-3-methylpyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloro-4-iodo-3-picoline
    Catalog Number:
    44672
    CAS Number:
    153034-88-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03095293
    Molecular Formula:
    C6H5ClIN
    Molecular Weight:
    253.47
    Specification Sheet SDS

  • 8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

    Purity:
    ≥ 98% (GC)
    Synonym:
    8-Chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-one
    Catalog Number:
    44680
    CAS Number:
    31251-41-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00800222
    Molecular Formula:
    C14H10ClNO
    Molecular Weight:
    243.69
    Specification Sheet SDS

  • 4-Amino-3-iodopyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44671
    CAS Number:
    88511-27-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02663853
    Molecular Formula:
    C5H5IN2
    Molecular Weight:
    220.01
    Specification Sheet SDS

  • 5-Bromo-1-methylpyridin-2(1H)-one

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44654
    CAS Number:
    81971-39-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09972188
    Molecular Formula:
    C6H6BrNO
    Molecular Weight:
    188.02
    Specification Sheet SDS

  • 3-Chloro-4-iodopyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44665
    CAS Number:
    77332-79-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00272199
    Molecular Formula:
    C5H3ClIN
    Molecular Weight:
    239.44
    Specification Sheet SDS

  • 2-(Chloromethyl)-4-methoxy-3,5-dimethylpyridine hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44677
    CAS Number:
    86604-75-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00277472
    Molecular Formula:
    C9H12ClNO·HCl
    Molecular Weight:
    222.11
    Specification Sheet SDS

  • Pentachloropyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44653
    CAS Number:
    2176-62-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006230
    Molecular Formula:
    C5Cl5N
    Molecular Weight:
    251.31
    Specification Sheet SDS

  • 2,6-Dibromopyridine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44676
    CAS Number:
    626-05-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006223
    Molecular Formula:
    C5H3Br2N
    Molecular Weight:
    236.89
    Specification Sheet SDS

  • 2-Amino-5-bromo-3-iodopyridine

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    44661
    CAS Number:
    381233-96-1
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD06659000
    Molecular Formula:
    C5H4BrIN2
    Molecular Weight:
    298.91
    Specification Sheet SDS

  • 3-Bromo-4-hydroxy-5-nitropyridine

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    3-Bromo-5-nitro-4-pyridinol
    Catalog Number:
    44668
    CAS Number:
    31872-65-8
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD08692339
    Molecular Formula:
    C5H3BrN2O3
    Molecular Weight:
    218.99
    Specification Sheet SDS

  • 2-Acetamido-5-bromo-6-methylpyridine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    6-Acetamido-3-bromo-2-methylpyridine
    Catalog Number:
    44670
    CAS Number:
    142404-84-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03909755
    Molecular Formula:
    C8H9BrN2O
    Molecular Weight:
    229.08
    Specification Sheet SDS

  • 2-Bromo-6-iodopyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44666
    CAS Number:
    234111-08-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08059557
    Molecular Formula:
    C5H3BrIN
    Molecular Weight:
    283.89
    Specification Sheet SDS

  • 2-Chloro-6-hydrazinopyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    (6-Chloro-2-pyridyl)hydrazine
    Catalog Number:
    44648
    CAS Number:
    5193-03-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00214724
    Molecular Formula:
    C5H6ClN3
    Molecular Weight:
    143.57
    Specification Sheet SDS

  • 4-Amino-3,5-dichloropyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44651
    CAS Number:
    22889-78-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00125023
    Molecular Formula:
    C5H4Cl2N2
    Molecular Weight:
    163.0
    Specification Sheet SDS
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