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Building Blocks

7871
Sub Categories
Fluorinated Building Blocks 1631
Heterocyclic Building Blocks 3724
Non-Heterocyclic Building Blocks 2575

  • (3-Benzyloxyphenyl)acetic acid

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    28634
    CAS Number:
    1860-58-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02664806
    Molecular Formula:
    C15H14O3
    Molecular Weight:
    242.27
    Specification Sheet SDS

  • 2-(3-Chloro-4-methoxyphenyl)acetic acid

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    28630
    CAS Number:
    13721-20-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02664697
    Molecular Formula:
    C9H9ClO3
    Molecular Weight:
    200.62
    Specification Sheet SDS

  • 2-Bromobenzothiazole

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    28637
    CAS Number:
    2516-40-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD02681887
    Molecular Formula:
    C7H4BrNS
    Molecular Weight:
    214.09
    Specification Sheet SDS

  • 3-Amino-5-bromo-2-chloropyridine

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-Chloro-3-amino-5-bromopyridine
    Hazmat
    Catalog Number:
    28638
    CAS Number:
    588729-99-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02682092
    Molecular Formula:
    C5H4BrClN2
    Molecular Weight:
    207.46
    Specification Sheet SDS

  • 2-Bromo-4-methoxyphenylacetic acid

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    28631
    CAS Number:
    66916-99-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02664700
    Molecular Formula:
    C9H9BrO3
    Molecular Weight:
    245.07
    Specification Sheet SDS

  • 4'-Acetamido-2'-methylacetophenone

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    28625
    CAS Number:
    34956-31-5
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD02258876
    Molecular Formula:
    C11H13NO2
    Molecular Weight:
    191.23
    Specification Sheet SDS

  • 4-Hydroxy-2-methylbenzoic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Hydroxy-o-toluic acid
    Catalog Number:
    28616
    CAS Number:
    578-39-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02182261
    Molecular Formula:
    C8H8O3
    Molecular Weight:
    152.15
    Specification Sheet SDS

  • 4-Bromo-1-methyl-1H-pyrazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Methyl-4-bromopyrazole
    Catalog Number:
    28610
    CAS Number:
    15803-02-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02179565
    Molecular Formula:
    C4H5BrN2
    Molecular Weight:
    161.0
    Specification Sheet SDS

  • 2-Amino-3-nitrobenzoic acid methyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-Nitro-anthranilic acid methyl ester
    Catalog Number:
    28596
    CAS Number:
    57113-91-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02093531
    Molecular Formula:
    C8H8N2O4
    Molecular Weight:
    196.16
    Specification Sheet SDS

  • 2-Amino-5-iodo-3-methylpyridine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-Amino-5-iodo-3-picoline
    Catalog Number:
    28604
    CAS Number:
    166266-19-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02102422
    Molecular Formula:
    C6H7IN2
    Molecular Weight:
    234.04
    Specification Sheet SDS

  • 4-(Chloromethyl)thiazole hydrochloride

    Purity:
    ≥ 98% (Assay)
    Catalog Number:
    28601
    CAS Number:
    7709-58-2
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD02094738
    Molecular Formula:
    C4H4ClNS·HCl
    Molecular Weight:
    170.06
    Specification Sheet SDS

  • 4-Hydroxy-3-methylbenzoic acid hydrate

    Purity:
    ≥ 98%
    Catalog Number:
    28602
    CAS Number:
    499-76-3
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD02094739
    Molecular Formula:
    C8H8O3·H2O
    Molecular Weight:
    170.16
    Specification Sheet SDS

  • 2-Hydroxypyrimidine hydrochloride

    Purity:
    ≥ 97.50% (HPLC)
    Catalog Number:
    28592
    CAS Number:
    38353-09-2
    Purity Limit:
    ≥ 97.50% (HPLC)
    MDL NO:
    MFCD00012781
    Molecular Formula:
    C4H4N2O·HCl
    Molecular Weight:
    132.55
    Specification Sheet SDS

  • 2,5-Dibromo-3-methylpyridine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2,5-Dibromo-3-picoline
    Hazmat
    Catalog Number:
    28593
    CAS Number:
    3430-18-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02093085
    Molecular Formula:
    C6H5Br2N
    Molecular Weight:
    250.92
    Specification Sheet SDS

  • 2-Chloro-5-methyl-3-nitropyridine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    2-Chloro-3-nitro-5-methylpyridine
    Hazmat
    Catalog Number:
    28583
    CAS Number:
    23056-40-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD02070020
    Molecular Formula:
    C6H5ClN2O2
    Molecular Weight:
    172.57
    Specification Sheet SDS

  • 2-Amino-6-methoxybenzoic acid

    Purity:
    ≥ 97% (GC)
    Synonym:
    6-Methoxyanthranilic acid
    Catalog Number:
    28577
    CAS Number:
    53600-33-2
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD01941328
    Molecular Formula:
    C8H9NO3
    Molecular Weight:
    167.16
    Specification Sheet SDS

  • 7-Chloro-1-tetralone

    Purity:
    ≥ 98%
    Synonym:
    7-Chloro-1,2,3,4-tetrahydronaphthalen-1-one
    Catalog Number:
    28575
    CAS Number:
    26673-32-5
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01928386
    Molecular Formula:
    C10H9ClO
    Molecular Weight:
    180.63
    Specification Sheet SDS

  • 2-Chloro-4-iodopyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Iodo-2-chloropyridine
    Catalog Number:
    28566
    CAS Number:
    153034-86-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01861983
    Molecular Formula:
    C5H3ClIN
    Molecular Weight:
    239.44
    Specification Sheet SDS

  • 4-Cyanobenzylamine hydrochloride

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    28564
    CAS Number:
    15996-76-6
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD01861472
    Molecular Formula:
    C8H8N2·HCl
    Molecular Weight:
    168.63
    Specification Sheet SDS

  • 3-Bromo-2-chloro-5-methylpyridine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Chloro-3-bromo-5-methylpyridine
    Catalog Number:
    28553
    CAS Number:
    17282-03-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01830664
    Molecular Formula:
    C6H5BrClN
    Molecular Weight:
    206.47
    Specification Sheet SDS

  • 1H-Imidazole-1-acetic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Imidazol-1-yl-acetic acid
    Catalog Number:
    28546
    CAS Number:
    22884-10-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01721800
    Molecular Formula:
    C5H6N2O2
    Molecular Weight:
    126.11
    Specification Sheet SDS

  • 5-Amino-2-bromopyridine

    Purity:
    ≥ 98.5% (GC)
    Synonym:
    2-Bromo-5-aminopyridine
    Catalog Number:
    28526
    CAS Number:
    13534-97-9
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD01646116
    Molecular Formula:
    C5H5BrN2
    Molecular Weight:
    173.01
    Specification Sheet SDS

  • 5-(Furan-2-yl)-1,3,4-oxadiazole-2-amine

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    28542
    CAS Number:
    7659-06-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01710630
    Molecular Formula:
    C6H5N3O2
    Molecular Weight:
    151.12
    Specification Sheet SDS

  • 4-Amino-1H-pyrazole

    Purity:
    ≥ 97% (GC)
    Synonym:
    4-Aminopyrazole
    Catalog Number:
    28540
    CAS Number:
    28466-26-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD01693729
    Molecular Formula:
    C3H5N3
    Molecular Weight:
    83.09
    Specification Sheet SDS

  • 2-Amino-3-iodopyridine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-Iodo-2-pyridinamine
    Catalog Number:
    28533
    CAS Number:
    104830-06-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01651885
    Molecular Formula:
    C5H5IN2
    Molecular Weight:
    220.01
    Specification Sheet SDS

  • 2-Methyl-6-chloromethylpyridine hydrochloride

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    28539
    CAS Number:
    3099-30-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01691969
    Molecular Formula:
    C7H8ClN·HCl
    Molecular Weight:
    178.06
    Specification Sheet SDS

  • 5-Bromoisoquinoline

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    28531
    CAS Number:
    34784-04-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01646405
    Molecular Formula:
    C9H6BrN
    Molecular Weight:
    208.06
    Specification Sheet SDS

  • 3-Chloropyridine-2-carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3-Chloro-2-picolinic acid
    Catalog Number:
    28530
    CAS Number:
    57266-69-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01646325
    Molecular Formula:
    C6H4ClNO2
    Molecular Weight:
    157.56
    Specification Sheet SDS

  • 2-Chloro-4-hydroxypyridine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Chloro-4-pyridinol
    Catalog Number:
    28524
    CAS Number:
    17368-12-6, 89284-20-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01646108
    Molecular Formula:
    C5H4ClNO
    Molecular Weight:
    129.55
    Specification Sheet SDS

  • 3,4,5-Tribromopyridine

    Hazmat
    Purity:
    ≥97%
    Hazmat
    Catalog Number:
    28520
    CAS Number:
    2457-48-9
    Purity Limit:
    ≥97%
    MDL NO:
    MFCD01646053
    Molecular Formula:
    C5H2Br3N
    Molecular Weight:
    315.79
    Specification Sheet SDS

  • 2-Bromo-4-pyridinecarboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Bromo-4-picolinic acid
    Catalog Number:
    28522
    CAS Number:
    66572-56-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01646069
    Molecular Formula:
    C6H4BrNO2
    Molecular Weight:
    202.01
    Specification Sheet SDS

  • 4-Iodo-1H-imidazole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4-Iodoimidazole
    Catalog Number:
    28518
    CAS Number:
    71759-89-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01632213
    Molecular Formula:
    C3H3IN2
    Molecular Weight:
    193.97
    Specification Sheet SDS

  • 4-Bromo-3,5-dimethoxybenzoic acid

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    28515
    CAS Number:
    56518-42-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01632140
    Molecular Formula:
    C9H9BrO4
    Molecular Weight:
    261.07
    Specification Sheet SDS

  • 3-Hydroxy-4-methoxybenzoic acid methyl ester

    Purity:
    ≥ 99% (GC)
    Synonym:
    Methyl 3-hydroxy-4-methoxybenzoate
    Catalog Number:
    28503
    CAS Number:
    6702-50-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD01321262
    Molecular Formula:
    C9H10O4
    Molecular Weight:
    182.17
    Specification Sheet SDS

  • 2,4-Dibromothiazole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2,4-Dibromo-1,3-thiazole
    Catalog Number:
    28498
    CAS Number:
    4175-77-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01318994
    Molecular Formula:
    C3HBr2NS
    Molecular Weight:
    242.92
    Specification Sheet SDS

  • 5-Bromo-2-methoxypyridine

    Purity:
    ≥ 99% (GC)
    Synonym:
    3-Bromo-6-methoxypyridine
    Catalog Number:
    28496
    CAS Number:
    13472-85-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD01318952
    Molecular Formula:
    C6H6BrNO
    Molecular Weight:
    188.02
    Specification Sheet SDS

  • 5-Bromo-2-chloropyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Chloro-5-bromopyridine
    Catalog Number:
    28495
    CAS Number:
    53939-30-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01318951
    Molecular Formula:
    C5H3BrClN
    Molecular Weight:
    192.44
    Specification Sheet SDS

  • 2-Bromo-6-methylbenzoic acid

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Bromo-2-methylbenzoic acid
    Hazmat
    Catalog Number:
    28489
    CAS Number:
    90259-31-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01310788
    Molecular Formula:
    C8H7BrO2
    Molecular Weight:
    215.05
    Specification Sheet SDS

  • 1-Boc-4-aminopiperidine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    28471
    CAS Number:
    87120-72-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01076201
    Molecular Formula:
    C10H20N2O2
    Molecular Weight:
    200.28
    Specification Sheet SDS

  • 3-Bromo-4-hydroxy-5-methoxybenzonitrile

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    28480
    CAS Number:
    52805-45-5
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD01123027
    Molecular Formula:
    C8H6BrNO2
    Molecular Weight:
    228.04
    Specification Sheet SDS

  • 1-(2,3-dichlorophenyl)piperazine hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    28468
    CAS Number:
    119532-26-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00190238
    Molecular Formula:
    C10H12Cl2N2
    Molecular Weight:
    231.13
    Specification Sheet SDS

  • 3-Methyl-2-nitro-benzoic acid methyl ester

    Purity:
    ≥ 99%
    Synonym:
    Methyl 3-methyl-2-nitrobenzoate
    Catalog Number:
    28457
    CAS Number:
    5471-82-9
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD01003947
    Molecular Formula:
    C9H9NO4
    Molecular Weight:
    195.17
    Specification Sheet SDS

  • 6-Quinolinecarboxylic acid methyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Methyl quinoline-6-carboxylate
    Catalog Number:
    28453
    CAS Number:
    38896-30-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00956766
    Molecular Formula:
    C11H9NO2
    Molecular Weight:
    187.2
    Specification Sheet SDS

  • 5-Benzoyl-4-hydroxy-2-methoxybenzenesulfonic acid hydrate

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    28455
    CAS Number:
    4065-45-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00977409
    Molecular Formula:
    C14H12O6S·H2O
    Molecular Weight:
    326.32
    Specification Sheet SDS

  • 3-Benzyl-5-(2-hydroxyethyl)-4-methylthiazolium

    Catalog Number:
    28461
    CAS Number:
    4568-71-2
    MDL NO:
    MFCD01037133
    Molecular Formula:
    C13H16NOS
    Molecular Weight:
    234.34
    SDS

  • 6-Chloro-2-hydroxypyridine

    Purity:
    ≥ 98%
    Synonym:
    6-Chloro-2-pyridone
    Catalog Number:
    28450
    CAS Number:
    16879-02-0
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00006278
    Molecular Formula:
    C5H4ClNO
    Molecular Weight:
    129.55
    Specification Sheet SDS

  • 2-Bromo-5-cyanonitrobenzene

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Bromo-3-nitrobenzonitrile
    Catalog Number:
    28456
    CAS Number:
    89642-49-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00982006
    Molecular Formula:
    C7H3BrN2O2
    Molecular Weight:
    227.02
    Specification Sheet SDS

  • 2-Amino-3-bromo-5-chloropyridine

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Hazmat
    Catalog Number:
    28448
    CAS Number:
    26163-03-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00955627
    Molecular Formula:
    C5H4BrClN2
    Molecular Weight:
    207.46
    Specification Sheet SDS

  • 2-Chloro-4-nitropyridine N-oxide

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Hazmat
    Catalog Number:
    28446
    CAS Number:
    14432-16-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00955617
    Molecular Formula:
    C5H3ClN2O3
    Molecular Weight:
    174.54
    Specification Sheet SDS

  • 3-Bromo-2-nitropyridine

    Purity:
    ≥ 99% (GC)
    Synonym:
    2-Nitro-3-bromopyridine
    Catalog Number:
    28445
    CAS Number:
    54231-33-3
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00955614
    Molecular Formula:
    C5H3BrN2O2
    Molecular Weight:
    203.0
    Specification Sheet SDS
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