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Building Blocks

8717
Sub Categories
Fluorinated Building Blocks 1834
Heterocyclic Building Blocks 3772
Non-Heterocyclic Building Blocks 3171
Filters

  • Methyl 2-chloronicotinate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloronicotinic acid methyl ester
    Catalog Number:
    44801
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    40134-18-7
    MDL NO:
    MFCD01318629
    Molecular Formula:
    C7H6ClNO2
    Molecular Weight:
    171.58
    Specification Sheet SDS

  • Methyl 5-bromopyrimidine-2-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromopyrimidine-2-carboxylic acid methyl ester
    Catalog Number:
    44805
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    89581-38-4
    MDL NO:
    MFCD11111606
    Molecular Formula:
    C6H5BrN2O2
    Molecular Weight:
    217.02
    Specification Sheet SDS

  • 5,6-Dichloro-3-pyridinemethanol

    Purity:
    ≥ 96% (GC)
    Synonym:
    2,3-Dichloro-5-hydroxymethylpyridine
    Catalog Number:
    44799
    Purity Limit:
    ≥ 96% (GC)
    CAS Number:
    54127-30-9
    MDL NO:
    MFCD00671515
    Molecular Formula:
    C6H5Cl2NO
    Molecular Weight:
    178.01
    Specification Sheet SDS

  • 4-Chlorobenzofuro[3,2-d]pyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44808
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    39876-88-5
    MDL NO:
    MFCD00763943
    Molecular Formula:
    C10H5ClN2O
    Molecular Weight:
    204.61
    Specification Sheet SDS

  • 2-Amino-5-bromopyrimidine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44804
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    7752-82-1
    MDL NO:
    MFCD00012341
    Molecular Formula:
    C4H4BrN3
    Molecular Weight:
    174.0
    Specification Sheet SDS

  • 2-Amino-4-chloro-6-hydroxypyrimidine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Amino-4-chloro-6-pyrimidinol
    Catalog Number:
    44807
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    1194-21-4
    MDL NO:
    MFCD00006093
    Molecular Formula:
    C4H4ClN3O
    Molecular Weight:
    145.55
    Specification Sheet SDS

  • 2-Chloro-6-methylnicotinic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloro-6-methyl-3-pyridinecarboxylic acid
    Catalog Number:
    44794
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    30529-70-5
    MDL NO:
    MFCD00134165
    Molecular Formula:
    C7H6ClNO2
    Molecular Weight:
    171.58
    Specification Sheet SDS

  • 2,5-Dichloronicotinic acid

    Purity:
    ≥ 97% (GC)
    Synonym:
    2,5-Dichloro-3-pyridinecarboxylic acid
    Catalog Number:
    44802
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    59782-85-3
    MDL NO:
    MFCD01861979
    Molecular Formula:
    C6H3Cl2NO2
    Molecular Weight:
    192.0
    Specification Sheet SDS

  • Methyl 2-bromonicotinate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Bromonicotinic acid methyl ester
    Catalog Number:
    44795
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    52718-95-3
    MDL NO:
    MFCD07367915
    Molecular Formula:
    C7H6BrNO2
    Molecular Weight:
    216.03
    Specification Sheet SDS

  • 2,6-Dichloro-4-pyridinemethanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,6-Dichloro-4-(hydroxymethyl)pyridine
    Catalog Number:
    44800
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    101990-69-6
    MDL NO:
    MFCD00052638
    Molecular Formula:
    C6H5Cl2NO
    Molecular Weight:
    178.01
    Specification Sheet SDS

  • 5-Iodo-2,4-dimethoxypyrimidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44803
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    52522-99-3
    MDL NO:
    MFCD00090865
    Molecular Formula:
    C6H7IN2O2
    Molecular Weight:
    266.04
    Specification Sheet SDS

  • Methyl 4-chloro-2-pyridinecarboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Chloropicolinic acid methyl ester
    Catalog Number:
    44798
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    24484-93-3
    MDL NO:
    MFCD04116183
    Molecular Formula:
    C7H6ClNO2
    Molecular Weight:
    171.58
    Specification Sheet SDS

  • 5-Bromo-2-pyridinecarboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromo-2-formylpyridine
    Catalog Number:
    44791
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    31181-90-5
    MDL NO:
    MFCD04112535
    Molecular Formula:
    C6H4BrNO
    Molecular Weight:
    186.01
    Specification Sheet SDS

  • 2-Chloro-3-cyano-4-methoxypyridine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloro-4-methoxynicotinonitrile
    Hazmat
    Catalog Number:
    44797
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    98645-43-3
    MDL NO:
    MFCD00975444
    Molecular Formula:
    C7H5ClN2O
    Molecular Weight:
    168.58
    Specification Sheet SDS

  • 4-Chloro-2,6-dimethyl-3-nitropyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Chloro-3-nitro-2,6-lutidine
    Catalog Number:
    44796
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    15513-48-1
    MDL NO:
    MFCD08543468
    Molecular Formula:
    C7H7ClN2O2
    Molecular Weight:
    186.6
    Specification Sheet SDS

  • 5-Bromo-6-hydroxynicotinic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromo-6-hydroxy-3-pyridinecarboxylic acid
    Catalog Number:
    44789
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    41668-13-7
    MDL NO:
    MFCD08235173
    Molecular Formula:
    C6H4BrNO3
    Molecular Weight:
    218.01
    Specification Sheet SDS

  • 3-Bromo-5-methoxypyridine

    Purity:
    ≥ 97% (Assay by titration)
    Catalog Number:
    44787
    Purity Limit:
    ≥ 97% (Assay by titration)
    CAS Number:
    50720-12-2
    MDL NO:
    MFCD00234169
    Molecular Formula:
    C6H6BrNO
    Molecular Weight:
    188.02
    Specification Sheet SDS

  • 5-Bromo-2-hydroxynicotinic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromo-2-hydroxy-3-pyridinecarboxylic acid
    Catalog Number:
    44790
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    104612-36-4
    MDL NO:
    MFCD07363801
    Molecular Formula:
    C6H4BrNO3
    Molecular Weight:
    218.01
    Specification Sheet SDS

  • 3-Bromo-4-methylpyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Bromo-4-picoline
    Catalog Number:
    44779
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    3430-22-6
    MDL NO:
    MFCD00082592
    Molecular Formula:
    C6H6BrN
    Molecular Weight:
    172.03
    Specification Sheet SDS

  • 6-Chloro-3-pyridinemethanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloro-5-(hydroxymethyl)pyridine
    Catalog Number:
    44792
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    21543-49-7
    MDL NO:
    MFCD01075226
    Molecular Formula:
    C6H6ClNO
    Molecular Weight:
    143.57
    Specification Sheet SDS

  • 5-Chloro-2-pyridinecarboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Chloro-2-formylpyridine
    Catalog Number:
    44793
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    31181-89-2
    MDL NO:
    MFCD08277271
    Molecular Formula:
    C6H4ClNO
    Molecular Weight:
    141.55
    Specification Sheet SDS

  • 2,6-Bis(chloromethyl)pyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44775
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    3099-28-3
    MDL NO:
    MFCD00142844
    Molecular Formula:
    C7H7Cl2N
    Molecular Weight:
    176.04
    Specification Sheet SDS

  • 3-(Bromomethyl)pyridine hydrobromide

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    3-Picolyl bromide hydrobromide
    Hazmat
    Catalog Number:
    44786
    Purity Limit:
    ≥ 98% (Assay by titration)
    CAS Number:
    4916-55-6
    MDL NO:
    MFCD01321314
    Molecular Formula:
    C6H6BrN·HBr
    Molecular Weight:
    252.94
    Specification Sheet SDS

  • 5-Bromo-2-methoxy-4-methylpyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44782
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    164513-39-7
    MDL NO:
    MFCD04039980
    Molecular Formula:
    C7H8BrNO
    Molecular Weight:
    202.05
    Specification Sheet SDS

  • 4-Bromo-2-pyridinecarboxylic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Bromopicolinic acid
    Catalog Number:
    44781
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    30766-03-1
    MDL NO:
    MFCD03426665
    Molecular Formula:
    C6H4BrNO2
    Molecular Weight:
    202.01
    Specification Sheet SDS

  • 2-Bromo-4-cyanopyridine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Bromoisonicotinonitrile
    Hazmat
    Catalog Number:
    44788
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    10386-27-3
    MDL NO:
    MFCD07367879
    Molecular Formula:
    C6H3BrN2
    Molecular Weight:
    183.01
    Specification Sheet SDS

  • 3-Chloro-4-cyanopyridine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Chloroisonicotinonitrile
    Hazmat
    Catalog Number:
    44763
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    68325-15-5
    MDL NO:
    MFCD05663706
    Molecular Formula:
    C6H3ClN2
    Molecular Weight:
    138.55
    Specification Sheet SDS

  • 5-Bromo-2-cyano-3-nitropyridine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromo-3-nitropyridine-2-carbonitrile
    Hazmat
    Catalog Number:
    44785
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    573675-25-9
    MDL NO:
    MFCD06657551
    Molecular Formula:
    C6H2BrN3O2
    Molecular Weight:
    228.01
    Specification Sheet SDS

  • 2,6-Bis(bromomethyl)pyridine

    Purity:
    ≥ 99% (NMR)
    Catalog Number:
    44780
    Purity Limit:
    ≥ 99% (NMR)
    CAS Number:
    7703-74-4
    MDL NO:
    MFCD00191795
    Molecular Formula:
    C7H7Br2N
    Molecular Weight:
    264.95
    Specification Sheet SDS

  • 2-Acetamido-5-iodopyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44757
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    66131-78-0
    MDL NO:
    MFCD01315262
    Molecular Formula:
    C7H7IN2O
    Molecular Weight:
    262.05
    Specification Sheet SDS

  • 2-Bromo-3-pyridinemethanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Bromo-3-(hydroxymethyl)pyridine
    Catalog Number:
    44776
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    131747-54-1
    MDL NO:
    MFCD08276300
    Molecular Formula:
    C6H6BrNO
    Molecular Weight:
    188.02
    Specification Sheet SDS

  • 3,5-Dichloroisonicotinic acid

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    3,5-Dichloropyridine-4-carboxylic acid
    Catalog Number:
    44770
    Purity Limit:
    ≥ 98% (Assay by titration)
    CAS Number:
    13958-93-5
    MDL NO:
    MFCD01861975
    Molecular Formula:
    C6H3Cl2NO2
    Molecular Weight:
    192.0
    Specification Sheet SDS

  • 2-Amino-5-bromo-3-methylpyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Amino-5-bromo-3-picoline
    Catalog Number:
    44778
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    3430-21-5
    MDL NO:
    MFCD00068232
    Molecular Formula:
    C6H7BrN2
    Molecular Weight:
    187.04
    Specification Sheet SDS

  • 5-Bromo-2-ethynylpyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44784
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    111770-86-6
    MDL NO:
    MFCD03095276
    Molecular Formula:
    C7H4BrN
    Molecular Weight:
    182.02
    Specification Sheet SDS

  • 2-Chloronicotinamide

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloropyridine-3-carboxamide
    Catalog Number:
    44777
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    10366-35-5
    MDL NO:
    MFCD00006237
    Molecular Formula:
    C6H5ClN2O
    Molecular Weight:
    156.57
    Specification Sheet SDS

  • 5-Bromo-2-pyridinemethanol

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Bromo-2-(hydroxymethyl)pyridine
    Catalog Number:
    44783
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    88139-91-7
    MDL NO:
    MFCD04035597
    Molecular Formula:
    C6H6BrNO
    Molecular Weight:
    188.02
    Specification Sheet SDS

  • Methyl 2,5-dichloronicotinate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,5-Dichloronicotinic acid methyl ester
    Catalog Number:
    44769
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    67754-03-4
    MDL NO:
    MFCD03844857
    Molecular Formula:
    C7H5Cl2NO2
    Molecular Weight:
    206.02
    Specification Sheet SDS

  • 5-Amino-2-chloro-3-methylpyridine

    Purity:
    ≥ 97% (GC)
    Synonym:
    5-Amino-2-chloro-3-picoline
    Catalog Number:
    44758
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    38186-82-2
    MDL NO:
    MFCD03095087
    Molecular Formula:
    C6H7ClN2
    Molecular Weight:
    142.59
    Specification Sheet SDS

  • 6-Amino-3-bromo-2-methylpyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Amino-3-bromo-2-picoline
    Catalog Number:
    44772
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    42753-71-9
    MDL NO:
    MFCD00068230
    Molecular Formula:
    C6H7BrN2
    Molecular Weight:
    187.04
    Specification Sheet SDS

  • Methyl 2-chloroisonicotinate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloroisonicotinic acid methyl ester
    Catalog Number:
    44765
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    58481-11-1
    MDL NO:
    MFCD01765409
    Molecular Formula:
    C7H6ClNO2
    Molecular Weight:
    171.58
    Specification Sheet SDS

  • 4-Chloro-2,6-pyridinedicarboxylic acid

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44771
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    4722-94-5
    MDL NO:
    MFCD04117894
    Molecular Formula:
    C7H4ClNO4
    Molecular Weight:
    201.56
    Specification Sheet SDS

  • 6-Chloro-2-pyridinecarboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Chloropicolinaldehyde
    Catalog Number:
    44774
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    54087-03-5
    MDL NO:
    MFCD09832941
    Molecular Formula:
    C6H4ClNO
    Molecular Weight:
    141.55
    Specification Sheet SDS

  • 3-Chloroisonicotinic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Chloro-4-pyridinecarboxylic acid
    Catalog Number:
    44762
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    88912-27-0
    MDL NO:
    MFCD03094685
    Molecular Formula:
    C6H4ClNO2
    Molecular Weight:
    157.55
    Specification Sheet SDS

  • 3-Chloro-2-cyanopyridine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Chloro-2-pyridinecarbonitrile
    Hazmat
    Catalog Number:
    44773
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    38180-46-0
    MDL NO:
    MFCD03788834
    Molecular Formula:
    C6H3ClN2
    Molecular Weight:
    138.55
    Specification Sheet SDS

  • 2-Amino-3-chloro-5-methylpyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Amino-5-chloro-3-picoline
    Catalog Number:
    44768
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    31430-41-8
    MDL NO:
    MFCD07368858
    Molecular Formula:
    C6H7ClN2
    Molecular Weight:
    142.59
    Specification Sheet SDS

  • 2,6-Dichloro-3-cyanopyridine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2,6-Dichloronicotinonitrile
    Hazmat
    Catalog Number:
    44761
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    40381-90-6
    MDL NO:
    MFCD03411341
    Molecular Formula:
    C6H2Cl2N2
    Molecular Weight:
    173.0
    Specification Sheet SDS

  • Methyl 2-Bromoisonicotinate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Bromoisonicotinic acid methyl ester
    Catalog Number:
    44752
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    26156-48-9
    MDL NO:
    MFCD03791265
    Molecular Formula:
    C7H6BrNO2
    Molecular Weight:
    216.03
    Specification Sheet SDS

  • 2-Bromo-5-methoxypyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44751
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    105170-27-2
    MDL NO:
    MFCD07781221
    Molecular Formula:
    C6H6BrNO
    Molecular Weight:
    188.02
    Specification Sheet SDS

  • Methyl 3-bromoisonicotinate

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Bromoisonicotinic acid methyl ester
    Catalog Number:
    44759
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    59786-31-1
    MDL NO:
    MFCD03788226
    Molecular Formula:
    C7H6BrNO2
    Molecular Weight:
    216.03
    Specification Sheet SDS

  • Isonicotinoyl chloride hydrochloride

    Hazmat
    Purity:
    ≥ 95% (Assay by titration)
    Synonym:
    Pyridine-4-carbonyl chloride hydrochloride
    Hazmat
    Catalog Number:
    44766
    Purity Limit:
    ≥ 95% (Assay by titration)
    CAS Number:
    39178-35-3
    MDL NO:
    MFCD00012830
    Molecular Formula:
    C6H4ClNO·HCl
    Molecular Weight:
    178.01
    Specification Sheet SDS
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