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Building Blocks

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

  • 2-(Methylthio)benzothiazole

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Mercaptobenzothiazole methyl ether
    Catalog Number:
    44137
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    615-22-5
    MDL NO:
    MFCD00005784
    Molecular Formula:
    C8H7NS2
    Molecular Weight:
    181.27
    Specification Sheet SDS

  • 3-Octadecylthiophene

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Stearylthiophene
    Catalog Number:
    44162
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    104934-54-5
    MDL NO:
    MFCD00191567
    Molecular Formula:
    C22H40S
    Molecular Weight:
    336.62
    Specification Sheet SDS

  • Thiazolidine-2,4-dicarboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Tetrahydrothiazole-2,4-dicarboxylic acid
    Catalog Number:
    44149
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    30097-06-4
    MDL NO:
    MFCD00145399
    Molecular Formula:
    C5H7NO4S
    Molecular Weight:
    177.17
    Specification Sheet SDS

  • 2-(2-Ethylhexyl)thiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44158
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    4891-44-5
    MDL NO:
    MFCD26743668
    Molecular Formula:
    C12H20S
    Molecular Weight:
    196.35
    Specification Sheet SDS

  • 3-Undecylthiophene

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44157
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    129607-86-9
    MDL NO:
    MFCD00130144
    Molecular Formula:
    C15H26S
    Molecular Weight:
    238.43
    Specification Sheet SDS

  • 2-Isobutyl-4,5-dimethyl-3-thiazoline (mixture of isomers)

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44152
    Purity Limit:
    ≥ 95% (GC)
    CAS Number:
    65894-83-9
    MDL NO:
    MFCD01680822
    Molecular Formula:
    C9H17NS
    Molecular Weight:
    171.3
    Specification Sheet SDS

  • Dimethyl thiazolidine-2,4-dicarboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Thiazolidine-2,4-dicarboxylic acid dimethyl ester
    Catalog Number:
    44143
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    318233-97-5
    MDL NO:
    MFCD00191687
    Molecular Formula:
    C7H11NO4S
    Molecular Weight:
    205.23
    Specification Sheet SDS

  • 2-Aminothiazoline hydrochloride

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    44154
    Purity Limit:
    ≥ 98% (Assay by titration)
    CAS Number:
    3882-98-2
    MDL NO:
    MFCD00012709
    Molecular Formula:
    C3H6N2S·HCl
    Molecular Weight:
    138.61
    Specification Sheet SDS

  • 2-Mercaptothiazoline

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    2-Thiazoline-2-thiol
    Hazmat
    Catalog Number:
    44147
    Purity Limit:
    ≥ 98% (Assay by titration)
    CAS Number:
    96-53-7
    MDL NO:
    MFCD00126013
    Molecular Formula:
    C3H5NS2
    Molecular Weight:
    119.2
    Specification Sheet SDS

  • 2-Methylthiazoline

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44151
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    2346-00-1
    MDL NO:
    MFCD00005314
    Molecular Formula:
    C4H7NS
    Molecular Weight:
    101.17
    Specification Sheet SDS

  • 3-Benzylrhodanine

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Benzyl-2-thioxo-4-thiazolidinone
    Catalog Number:
    44153
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    10574-69-3
    MDL NO:
    MFCD00086924
    Molecular Formula:
    C10H9NOS2
    Molecular Weight:
    223.31
    Specification Sheet SDS

  • 2-Acetyl-2-thiazoline

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    1-(4,5-Dihydrothiazol-2-yl)ethanone
    Hazmat
    Catalog Number:
    44146
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    29926-41-8
    MDL NO:
    MFCD00209496
    Molecular Formula:
    C5H7NOS
    Molecular Weight:
    129.18
    Specification Sheet SDS

  • Rhodanine-3-acetic acid

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    N-Carboxymethylrhodanine
    Catalog Number:
    44142
    Purity Limit:
    ≥ 98% (Assay by titration)
    CAS Number:
    5718-83-2
    MDL NO:
    MFCD00005491
    Molecular Formula:
    C5H5NO3S2
    Molecular Weight:
    191.22
    Specification Sheet SDS

  • Thiazolidine-2-carboxylic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    Tetrahydrothiazole-2-carboxylic acid
    Catalog Number:
    44144
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    16310-13-7
    MDL NO:
    MFCD00068005
    Molecular Formula:
    C4H7NO2S
    Molecular Weight:
    133.17
    Specification Sheet SDS

  • 2,4-Dimethylthiazole-5-carboxylic acid

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44133
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    53137-27-2
    MDL NO:
    MFCD00052943
    Molecular Formula:
    C6H7NO2S
    Molecular Weight:
    157.19
    Specification Sheet SDS

  • Benzothiazole

    Hazmat
    Purity:
    ≥ 96% (GC)
    Hazmat
    Catalog Number:
    44140
    Purity Limit:
    ≥ 96% (GC)
    CAS Number:
    95-16-9
    MDL NO:
    MFCD00005775
    Molecular Formula:
    C7H5NS
    Molecular Weight:
    135.18
    Specification Sheet SDS

  • 3-Ethyl (-)-thiazolidine-3,4-dicarboxylate

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    (-)-3-Carbethoxythiazolidine-4-carboxylic acid
    Catalog Number:
    44148
    Purity Limit:
    ≥ 98% (Assay by titration)
    CAS Number:
    127657-29-8
    MDL NO:
    MFCD04117921
    Molecular Formula:
    C7H11NO4S
    Molecular Weight:
    205.23
    Specification Sheet SDS

  • Rhodanine-3-propionic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    N-(2-Carboxyethyl)rhodanine
    Catalog Number:
    44141
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    7025-19-6
    MDL NO:
    MFCD00022558
    Molecular Formula:
    C6H7NO3S2
    Molecular Weight:
    205.25
    Specification Sheet SDS

  • Thiazolidine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44145
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    504-78-9
    MDL NO:
    MFCD00005211
    Molecular Formula:
    C3H7NS
    Molecular Weight:
    89.16
    Specification Sheet SDS

  • 2-Mercaptobenzothiazole

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    MBT
    Hazmat
    Catalog Number:
    44135
    Purity Limit:
    ≥ 99% (HPLC)
    CAS Number:
    149-30-4
    MDL NO:
    MFCD00005781
    Molecular Formula:
    C7H5NS2
    Molecular Weight:
    167.24
    Specification Sheet SDS

  • 2-Amino-6-ethoxybenzothiazole

    Purity:
    ≥ 97% (Assay by titration)
    Catalog Number:
    44132
    Purity Limit:
    ≥ 97% (Assay by titration)
    CAS Number:
    94-45-1
    MDL NO:
    MFCD00005788
    Molecular Formula:
    C9H10N2OS
    Molecular Weight:
    194.25
    Specification Sheet SDS

  • 2-Amino-4-methylbenzothiazole

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    44115
    Purity Limit:
    ≥ 98% (Assay by titration)
    CAS Number:
    1477-42-5
    MDL NO:
    MFCD00005793
    Molecular Formula:
    C8H8N2S
    Molecular Weight:
    164.23
    Specification Sheet SDS

  • 6-Amino-2-mercaptobenzothiazole

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    44134
    Purity Limit:
    ≥ 97% (HPLC)
    CAS Number:
    7442-07-1
    MDL NO:
    MFCD00059164
    Molecular Formula:
    C7H6N2S2
    Molecular Weight:
    182.26
    Specification Sheet SDS

  • 2-Amino-5,6-dimethylbenzothiazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44114
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    29927-08-0
    MDL NO:
    MFCD00005790
    Molecular Formula:
    C9H10N2S
    Molecular Weight:
    178.25
    Specification Sheet SDS

  • 2-(Morpholinothio)benzothiazole

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    N-Oxydiethylene-2-benzothiazolesulfenamide
    Hazmat
    Catalog Number:
    44139
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    102-77-2
    MDL NO:
    MFCD00022870
    Molecular Formula:
    C11H12N2OS2
    Molecular Weight:
    252.35
    Specification Sheet SDS

  • 4-Methylthiazole-5-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Formyl-4-methylthiazole
    Catalog Number:
    44136
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    82294-70-0
    MDL NO:
    MFCD07368277
    Molecular Formula:
    C5H5NOS
    Molecular Weight:
    127.16
    Specification Sheet SDS

  • 2-Amino-6-nitrobenzothiazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44131
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    6285-57-0
    MDL NO:
    MFCD00005786
    Molecular Formula:
    C7H5N3O2S
    Molecular Weight:
    195.2
    Specification Sheet SDS

  • 3-Ethylbenzothiazolium bromide

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44126
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    32446-47-2
    MDL NO:
    MFCD00051852
    Molecular Formula:
    C9H10BrNS
    Molecular Weight:
    244.15
    Specification Sheet SDS

  • 2-Amino-5-nitrothiazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44113
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    121-66-4
    MDL NO:
    MFCD00005326
    Molecular Formula:
    C3H3N3O2S
    Molecular Weight:
    145.14
    Specification Sheet SDS

  • 2-(tert-Butyldimethylsilyl)thiazole

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44125
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    137382-38-8
    MDL NO:
    MFCD10699169
    Molecular Formula:
    C9H17NSSi
    Molecular Weight:
    199.39
    Specification Sheet SDS

  • 2,4,5-Trimethylthiazole

    Hazmat
    Purity:
    ≥ 97% (GC)
    Hazmat
    Catalog Number:
    44122
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    13623-11-5
    MDL NO:
    MFCD00005332
    Molecular Formula:
    C6H9NS
    Molecular Weight:
    127.21
    SDS

  • 3-Allylrhodanine

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Allyl-2-thioxo-4-thiazolidinone
    Catalog Number:
    44130
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    1457-47-2
    MDL NO:
    MFCD00044700
    Molecular Formula:
    C6H7NOS2
    Molecular Weight:
    173.25
    Specification Sheet SDS

  • 2-Aminobenzothiazole hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44129
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    94787-08-3
    MDL NO:
    MFCD00142859
    Molecular Formula:
    C7H6N2S·HCl
    Molecular Weight:
    186.66
    Specification Sheet SDS

  • 3-(Carboxymethyl)benzothiazolium bromide

    Purity:
    ≥ 97% (Assay by titration)
    Catalog Number:
    44128
    Purity Limit:
    ≥ 97% (Assay by titration)
    CAS Number:
    74385-09-4
    MDL NO:
    MFCD00134360
    Molecular Formula:
    C9H8BrNO2S
    Molecular Weight:
    274.13
    Specification Sheet SDS

  • 2-Amino-4-(1-naphthyl)thiazole

    Purity:
    ≥ 97% (GC)
    Synonym:
    4-(1-Naphthyl)-2-thiazolamine
    Catalog Number:
    44120
    Purity Limit:
    ≥ 97% (GC)
    CAS Number:
    56503-96-9
    MDL NO:
    MFCD00236016
    Molecular Formula:
    C13H10N2S
    Molecular Weight:
    226.3
    Specification Sheet SDS

  • 2-Amino-4,5-dimethylthiazole hydrochloride

    Purity:
    ≥ 99.5% (HPLC)
    Catalog Number:
    44116
    Purity Limit:
    ≥ 99.5% (HPLC)
    CAS Number:
    71574-33-9
    MDL NO:
    MFCD00012711
    Molecular Formula:
    C5H8N2S·HCl
    Molecular Weight:
    164.65
    Specification Sheet SDS

  • 4-Dimethylaminobenzylidenerhodanine

    Purity:
    ≥ 90% (HPLC)
    Synonym:
    4-Dimethylaminobenzalrhodanine
    Catalog Number:
    44097
    Purity Limit:
    ≥ 90% (HPLC)
    CAS Number:
    536-17-4
    MDL NO:
    MFCD00064857
    Molecular Formula:
    C12H12N2OS2
    Molecular Weight:
    264.36
    Specification Sheet SDS

  • 2-Ethyl-4,5-dimethylthiazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44127
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    873-64-3
    MDL NO:
    MFCD00053125
    Molecular Formula:
    C7H11NS
    Molecular Weight:
    141.23
    Specification Sheet SDS

  • 3-Benzyl-4-methylthiazolium chloride

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44121
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    4209-18-1
    MDL NO:
    MFCD01318305
    Molecular Formula:
    C11H12ClNS
    Molecular Weight:
    225.73
    Specification Sheet SDS

  • 2-Aminobenzothiazole

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    44101
    Purity Limit:
    ≥ 97% (HPLC)
    CAS Number:
    136-95-8
    MDL NO:
    MFCD00005785
    Molecular Formula:
    C7H6N2S
    Molecular Weight:
    150.2
    Specification Sheet SDS

  • 2,4-Dimethylthiazole

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    44109
    Purity Limit:
    ≥ 99% (GC)
    CAS Number:
    541-58-2
    MDL NO:
    MFCD00014509
    Molecular Formula:
    C5H7NS
    Molecular Weight:
    113.18
    Specification Sheet SDS

  • 2-Amino-6-methylbenzothiazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44117
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    2536-91-6
    MDL NO:
    MFCD00005789
    Molecular Formula:
    C8H8N2S
    Molecular Weight:
    164.23
    Specification Sheet SDS

  • Ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(3-Formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylic acid ethylester
    Catalog Number:
    44123
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    161798-01-2
    MDL NO:
    MFCD13194810
    Molecular Formula:
    C14H13NO4S
    Molecular Weight:
    291.32
    Specification Sheet SDS

  • 2,2'-Bibenzothiazoline

    Purity:
    ≥ 85% (Assay by titration)
    Synonym:
    2,2'-Bisbenzothiazoline
    Catalog Number:
    44124
    Purity Limit:
    ≥ 85% (Assay by titration)
    CAS Number:
    19258-20-9
    MDL NO:
    MFCD00059699
    Molecular Formula:
    C14H12N2S2
    Molecular Weight:
    272.38
    Specification Sheet SDS

  • 2-Amino-5-methylthiazole

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44119
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    7305-71-7
    MDL NO:
    MFCD00078317
    Molecular Formula:
    C4H6N2S
    Molecular Weight:
    114.17
    Specification Sheet SDS

  • 2(3H)-Benzothiazolone

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Benzothiazolol
    Catalog Number:
    44108
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    934-34-9
    MDL NO:
    MFCD00022868
    Molecular Formula:
    C7H5NOS
    Molecular Weight:
    151.18
    Specification Sheet SDS

  • 2-Acetamidothiazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44098
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    2719-23-5
    MDL NO:
    MFCD00016892
    Molecular Formula:
    C5H6N2OS
    Molecular Weight:
    142.18
    Specification Sheet SDS

  • Methyl 2-aminothiazole-5-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-Aminothiazole-5-carboxylic acid methyl ester
    Catalog Number:
    44103
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    6633-61-0
    MDL NO:
    MFCD03788562
    Molecular Formula:
    C5H6N2O2S
    Molecular Weight:
    158.18
    Specification Sheet SDS

  • Z-2-(2-Amino-4-thiazolyl)-2-(methoxyimino)acetic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    syn-Thiazoximic acid
    Catalog Number:
    44118
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    65872-41-5
    MDL NO:
    MFCD00010416
    Molecular Formula:
    C6H7N3O3S
    Molecular Weight:
    201.2
    SDS

  • 2-Amino-4-phenylthiazole

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    4-Phenyl-2-thiazolamine
    Hazmat
    Catalog Number:
    44095
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    2010-06-2
    MDL NO:
    MFCD00039680
    Molecular Formula:
    C9H8N2S
    Molecular Weight:
    176.24
    Specification Sheet SDS
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