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

Heterocyclic Building Blocks

3766
Filters

  • 3,5-Dibromo-4-pyridinecarboxaldehyde

    Purity:
    ≥ 97% (GC)
    Synonym:
    3,5-Dibromoisonicotinaldehyde
    Catalog Number:
    44724
    CAS Number:
    70201-42-2
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD06410681
    Molecular Formula:
    C6H3Br2NO
    Molecular Weight:
    264.9
    Specification Sheet SDS

  • 3,5-Dibromo-2-methoxypyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44726
    CAS Number:
    13472-60-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD05663709
    Molecular Formula:
    C6H5Br2NO
    Molecular Weight:
    266.92
    Specification Sheet SDS

  • Methyl 4,6-dichloronicotinate

    Purity:
    ≥ 95% (GC)
    Synonym:
    4,6-Dichloronicotinic acid methyl ester
    Catalog Number:
    44725
    CAS Number:
    65973-52-6
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD04125732
    Molecular Formula:
    C7H5Cl2NO2
    Molecular Weight:
    206.02
    Specification Sheet SDS

  • 5-Bromo-3-pyridinemethanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Bromo-5-(hydroxymethyl)pyridine
    Catalog Number:
    44732
    CAS Number:
    37669-64-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03265757
    Molecular Formula:
    C6H6BrNO
    Molecular Weight:
    188.02
    Specification Sheet SDS

  • 2,3-Dibromo-5-methylpyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    5,6-Dibromo-3-picoline
    Catalog Number:
    44722
    CAS Number:
    29232-39-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04112574
    Molecular Formula:
    C6H5Br2N
    Molecular Weight:
    250.92
    Specification Sheet SDS

  • 6-(Bromomethyl)-2-pyridinemethanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(Bromomethyl)-6-(hydroxymethyl)pyridine
    Catalog Number:
    44731
    CAS Number:
    40054-01-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01631297
    Molecular Formula:
    C7H8BrNO
    Molecular Weight:
    202.05
    Specification Sheet SDS

  • 3-Bromo-6-methoxy-2-methylpyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44730
    CAS Number:
    126717-59-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03094943
    Molecular Formula:
    C7H8BrNO
    Molecular Weight:
    202.05
    Specification Sheet SDS

  • 3-Chloro-5-(trifluoromethyl)-2-pyridinecarboxylic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Chloro-5-(trifluoromethyl)picolinic acid
    Catalog Number:
    44717
    CAS Number:
    80194-68-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00277482
    Molecular Formula:
    C7H3ClF3NO2
    Molecular Weight:
    225.55
    Specification Sheet SDS

  • 2,6-Dichloro-3-pyridinecarboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,6-Dichloronicotinaldehyde
    Catalog Number:
    44728
    CAS Number:
    55304-73-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD07369746
    Molecular Formula:
    C6H3Cl2NO
    Molecular Weight:
    176.0
    Specification Sheet SDS

  • 2,6-Dichloroisonicotinic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,6-Dichloropyridine-4-carboxylic acid
    Catalog Number:
    44720
    CAS Number:
    5398-44-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00234147
    Molecular Formula:
    C6H3Cl2NO2
    Molecular Weight:
    192.0
    Specification Sheet SDS

  • 2-Chloro-6-ethoxypyridine

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44719
    CAS Number:
    42144-78-5
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00023465
    Molecular Formula:
    C7H8ClNO
    Molecular Weight:
    157.6
    Specification Sheet SDS

  • 3-Chloro-4-pyridinecarboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Chloroisonicotinaldehyde
    Catalog Number:
    44715
    CAS Number:
    72990-37-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD06200712
    Molecular Formula:
    C6H4ClNO
    Molecular Weight:
    141.55
    Specification Sheet SDS

  • 2-Chloro-6-hydroxynicotinic acid

    Purity:
    ≥ 97% (GC)
    Synonym:
    2-Chloro-6-hydroxy-3-pyridinecarboxylic acid
    Catalog Number:
    44721
    CAS Number:
    38025-90-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD09757508
    Molecular Formula:
    C6H4ClNO3
    Molecular Weight:
    173.55
    Specification Sheet SDS

  • Methyl 2,6-Dichloronicotinate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,6-Dichloronicotinic acid methyl ester
    Catalog Number:
    44711
    CAS Number:
    65515-28-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD07369794
    Molecular Formula:
    C7H5Cl2NO2
    Molecular Weight:
    206.02
    Specification Sheet SDS

  • Methyl 6-bromonicotinate

    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Bromonicotinic acid methyl ester
    Catalog Number:
    44718
    CAS Number:
    26218-78-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04972371
    Molecular Formula:
    C7H6BrNO2
    Molecular Weight:
    216.03
    Specification Sheet SDS

  • 3-Chloro-2-ethoxypyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44710
    CAS Number:
    177743-06-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09702462
    Molecular Formula:
    C7H8ClNO
    Molecular Weight:
    157.6
    Specification Sheet SDS

  • 5-(Aminomethyl)-2-chloropyridine

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    (6-Chloropyridin-3-yl)methanamine
    Hazmat
    Catalog Number:
    44727
    CAS Number:
    97004-04-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00673153
    Molecular Formula:
    C6H7ClN2
    Molecular Weight:
    0
    Specification Sheet SDS

  • 2-Chloronicotinoyl chloride

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    2-Chloropyridine-3-carbonyl chloride
    Hazmat
    Catalog Number:
    44712
    CAS Number:
    49609-84-9
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00051677
    Molecular Formula:
    C6H3Cl2NO
    Molecular Weight:
    0
    Specification Sheet SDS

  • Ethyl 2-Chloronicotinate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloronicotinic acid ethyl ester
    Catalog Number:
    44700
    CAS Number:
    1452-94-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00674129
    Molecular Formula:
    C8H8ClNO2
    Molecular Weight:
    185.61
    Specification Sheet SDS

  • 2-Chloro-4-pyridinemethanol

    Purity:
    ≥ 96% (GC)
    Synonym:
    2-Chloro-4-(hydroxymethyl)pyridine
    Catalog Number:
    44713
    CAS Number:
    100704-10-7
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD06858767
    Molecular Formula:
    C6H6ClNO
    Molecular Weight:
    143.57
    Specification Sheet SDS

  • 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:
    0
    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:
    0
    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
Back to top