💛 99% Happy customers

📦 Same-day shipping on in-stock items

🌟 Join our Rewards Program
Chemistry

Chemistry

11927

Our diverse selection of products are designed to enhance your work at every level. From refining asymmetric synthesis to optimizing reaction conditions with advanced catalysts, because we believe in meeting every possibility with precision.

Sub Categories
Asymmetric Synthesis 1122
Building Blocks 7870
Catalysis & Inorganic Chemistry 1048
Chemical Biology 178
Inorganic Compounds 794
Ionic Liquids 182
Organometallic Reagents 840
Stains & Dyes 297

  • 3-Bromo-9H-xanthen-9-one

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Bromoxanthenone
    Catalog Number:
    43272
    CAS Number:
    500286-36-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD20528061
    Molecular Formula:
    C13H7BrO2
    Molecular Weight:
    275.1
    Specification Sheet SDS

  • 6-[[7-(N,N-Dimethylaminosulfonyl)-2,1,3-benzoxadiazol-4-yl]amino]hexanoic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-(5-Carboxypentylamino)-7-(N,N-dimethylaminosulfonyl)-2,1,3-benzoxadiazole
    Catalog Number:
    43282
    CAS Number:
    1820741-40-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD08276342
    Molecular Formula:
    C14H20N4O5S
    Molecular Weight:
    356.4
    Specification Sheet SDS

  • 9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Acid captor 9M
    Catalog Number:
    43246
    CAS Number:
    61751-44-8
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00059749
    Molecular Formula:
    C9H10N2O
    Molecular Weight:
    162.19
    Specification Sheet SDS

  • 3,6-Dimethyl-1,2,4,5-tetrazine

    Purity:
    ≥ 99% (GC)
    Catalog Number:
    43270
    CAS Number:
    1558-23-2
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD09866053
    Molecular Formula:
    C4H6N4
    Molecular Weight:
    110.12
    Specification Sheet SDS

  • Dimethyl 2-(1,3-dithiole)phosphonate

    Purity:
    ≥ 97% (GC)
    Synonym:
    2-(1,3-Dithiole)phosphonic acid dimethyl ester
    Catalog Number:
    43267
    CAS Number:
    133113-76-5
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD20265584
    Molecular Formula:
    C5H9O3PS2
    Molecular Weight:
    212.22
    Specification Sheet SDS

  • 2-(p-Tolyl)-1,3-dithiane

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-(4-Methylphenyl)-1,3-dithiane
    Catalog Number:
    43269
    CAS Number:
    56637-44-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01729789
    Molecular Formula:
    C11H14S2
    Molecular Weight:
    210.35
    Specification Sheet SDS

  • 2-Methyl-4-propyl-1,3-oxathiane (cis- and trans- mixture)

    Hazmat
    Purity:
    ≥ 97% (GC)
    Hazmat
    Catalog Number:
    43263
    CAS Number:
    67715-80-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00673203
    Molecular Formula:
    C8H16OS
    Molecular Weight:
    160.28
    Specification Sheet SDS

  • 2-Phenyl-1,3-dithiolane

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43268
    CAS Number:
    5616-55-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01729637
    Molecular Formula:
    C9H10S2
    Molecular Weight:
    182.3
    Specification Sheet SDS

  • 2,2,6-Trimethyl-1,3-dioxin-4-one

    Purity:
    ≥ 95% (NMR)
    Synonym:
    2,2,4-Trimethyl-6-keto-1,3-dioxine
    Catalog Number:
    43251
    CAS Number:
    5394-63-8
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD00040468
    Molecular Formula:
    C7H10O3
    Molecular Weight:
    142.15
    Specification Sheet SDS

  • 1-Aza-2-methoxy-1-cycloheptene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    O-Methylcaprolactim
    Hazmat
    Catalog Number:
    43273
    CAS Number:
    2525-16-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006938
    Molecular Formula:
    C7H13NO
    Molecular Weight:
    127.19
    Specification Sheet SDS

  • Methyl Thieno[3,2-b]thiophene-2-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Thieno[3,2-b]thiophene-2-carboxylic acid methyl ester
    Catalog Number:
    43256
    CAS Number:
    98800-10-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01934498
    Molecular Formula:
    C8H6O2S2
    Molecular Weight:
    198.25
    Specification Sheet SDS

  • 1-Methoxyphenazine

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    43254
    CAS Number:
    2876-17-7
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD01794656
    Molecular Formula:
    C13H10N2O
    Molecular Weight:
    210.24
    Specification Sheet SDS

  • 1-(3,4-Dimethylphenyl)-3-methyl-5-pyrazolone

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    43262
    CAS Number:
    277299-70-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD09795980
    Molecular Formula:
    C12H14N2O
    Molecular Weight:
    202.26
    Specification Sheet SDS

  • 1,3,2-Dioxathiane 2,2-dioxide

    Purity:
    ≥ 98% (GC)
    Synonym:
    1,3-Propylene sulfate
    Catalog Number:
    43261
    CAS Number:
    1073-05-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00801144
    Molecular Formula:
    C3H6O4S
    Molecular Weight:
    138.14
    Specification Sheet SDS

  • 1-(2,5-Dichloro-4-sulfophenyl)-3-methyl-5-pyrazolone monohydrate

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    43255
    CAS Number:
    84-57-1
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00035706
    Molecular Formula:
    C10H8Cl2N2O4S·H2O
    Molecular Weight:
    341.16
    Specification Sheet SDS

  • 3,4-Dihydro-2H-pyrido[1,2-a]pyrimidin-2-one

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Acid captor H
    Catalog Number:
    43257
    CAS Number:
    5439-14-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00042798
    Molecular Formula:
    C8H8N2O
    Molecular Weight:
    148.17
    Specification Sheet SDS

  • 2,6-Di-tert-butyl-4-methylpyrylium trifluoromethanesulfonate

    Purity:
    ≥ 97% (Assay by titration)
    Synonym:
    2,6-Di-tert-butyl-4-methylpyrylium triflate
    Catalog Number:
    43259
    CAS Number:
    59643-43-5
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00229854
    Molecular Formula:
    C15H23F3O4S
    Molecular Weight:
    356.4
    Specification Sheet SDS

  • 1,3,4,6-Tetrathiapentalene-2,5-dione

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43249
    CAS Number:
    64394-45-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00010403
    Molecular Formula:
    C4O2S4
    Molecular Weight:
    208.28
    Specification Sheet SDS

  • 2,4,6-Triphenylpyrylium hydrogensulfate

    Hazmat
    Purity:
    ≥ 97% (HPLC)
    Hazmat
    Catalog Number:
    43258
    CAS Number:
    51071-75-1
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00012002
    Molecular Formula:
    C23H18O5S
    Molecular Weight:
    406.45
    Specification Sheet SDS

  • 1,3-Dihydroxy-9H-xanthen-9-one

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43252
    CAS Number:
    3875-68-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00800670
    Molecular Formula:
    C13H8O4
    Molecular Weight:
    228.2
    Specification Sheet SDS

  • 2-Methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    43230
    CAS Number:
    739364-95-5
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD19443280
    Molecular Formula:
    C8H7N3O2
    Molecular Weight:
    177.16
    Specification Sheet SDS

  • Hexahydro-4-azepinone hydrochloride

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    4-Azepanone hydrochloride
    Catalog Number:
    43253
    CAS Number:
    50492-22-3
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD02183487
    Molecular Formula:
    C6H11NO·HCl
    Molecular Weight:
    149.62
    Specification Sheet SDS

  • 3,4-Methylenedioxyphenylacetonitrile

    Purity:
    ≥ 98% (GC)
    Synonym:
    3,4-Methylenedioxybenzyl cyanide
    Catalog Number:
    43245
    CAS Number:
    4439-02-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005835
    Molecular Formula:
    C9H7NO2
    Molecular Weight:
    161.16
    Specification Sheet SDS

  • 3,4-Methylenedioxyphenylacetic acid

    Purity:
    ≥ 98% (GC)
    Synonym:
    (1,3-Benzodioxol-5-yl)acetic acid
    Catalog Number:
    43237
    CAS Number:
    2861-28-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00014576
    Molecular Formula:
    C9H8O4
    Molecular Weight:
    180.16
    Specification Sheet SDS

  • Tetrathiafulvalene

    Purity:
    ≥ 98% (GC)
    Synonym:
    TTF
    Catalog Number:
    43248
    CAS Number:
    31366-25-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005492
    Molecular Formula:
    C6H4S4
    Molecular Weight:
    204.34
    Specification Sheet SDS

  • 7,8-Dimethoxy-1H-benzo[d]azepin-2(3H)-one

    Purity:
    ≥ 98% (GC)
    Synonym:
    1,3-Dihydro-7,8-dimethoxy-2H-3-benzazepin-2-one
    Catalog Number:
    43244
    CAS Number:
    73942-87-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02091565
    Molecular Formula:
    C12H13NO3
    Molecular Weight:
    219.24
    Specification Sheet SDS

  • Thietane 1,1-dioxide

    Purity:
    ≥ 95% (GC)
    Synonym:
    Trimethylene sulfone
    Catalog Number:
    43250
    CAS Number:
    5687-92-3
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00088478
    Molecular Formula:
    C3H6O2S
    Molecular Weight:
    106.14
    Specification Sheet SDS

  • 7-Deazapurine

    Purity:
    ≥ 98% (GC)
    Synonym:
    7H-Pyrrolo[2,3-d]pyrimidine
    Catalog Number:
    43247
    CAS Number:
    271-70-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08234403
    Molecular Formula:
    C6H5N3
    Molecular Weight:
    119.13
    Specification Sheet SDS

  • Dodecahydrodibenzofuran (mixture of isomers)

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43243
    CAS Number:
    13054-98-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD30749260
    Molecular Formula:
    C12H20O
    Molecular Weight:
    180.29
    Specification Sheet SDS

  • 1,4-Dioxene

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    2,3-Dihydro-1,4-dioxine
    Hazmat
    Catalog Number:
    43240
    CAS Number:
    543-75-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00082537
    Molecular Formula:
    C4H6O2
    Molecular Weight:
    86.09
    Specification Sheet SDS

  • 5,6-Dihydro-1,4-dithiin-2,3-dicarboximide

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    2,3-Dihydro-1,4-dithiino[2,3-c]pyrrole-5,7-dione
    Catalog Number:
    43241
    CAS Number:
    24519-85-5
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD01632185
    Molecular Formula:
    C6H5NO2S2
    Molecular Weight:
    187.23
    Specification Sheet SDS

  • Dibenzo[b,e][1,4]dioxine

    Purity:
    ≥ 99% (GC)
    Synonym:
    Dibenzo-p-dioxine
    Catalog Number:
    43239
    CAS Number:
    262-12-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00022282
    Molecular Formula:
    C12H8O2
    Molecular Weight:
    184.19
    Specification Sheet SDS

  • Thieno[3,2-d]pyrimidin-4(1H)-one

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43242
    CAS Number:
    16234-10-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00122140
    Molecular Formula:
    C6H4N2OS
    Molecular Weight:
    152.17
    Specification Sheet SDS

  • 10-Methoxy-5H-dibenzo[b,f]azepine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    10-Methoxy-2,2'-iminostilbene
    Catalog Number:
    43227
    CAS Number:
    4698-11-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00101079
    Molecular Formula:
    C15H13NO
    Molecular Weight:
    223.28
    Specification Sheet SDS

  • trans-2,3-Dichloro-1,4-dioxane

    Hazmat
    Purity:
    ≥ 96% (GC)
    Synonym:
    trans-2,3-Dichloro-1,4-diethylene dioxide
    Hazmat
    Catalog Number:
    43234
    CAS Number:
    3883-43-0
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00191421
    Molecular Formula:
    C4H6Cl2O2
    Molecular Weight:
    156.99
    Specification Sheet SDS

  • Heptamethyleneimine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Azacyclooctane
    Hazmat
    Catalog Number:
    43217
    CAS Number:
    1121-92-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00003270
    Molecular Formula:
    C7H15N
    Molecular Weight:
    113.2
    Specification Sheet SDS

  • 8-Azahypoxanthine

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    43222
    CAS Number:
    2683-90-1
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00005804
    Molecular Formula:
    C4H3N5O
    Molecular Weight:
    137.1
    Specification Sheet SDS

  • 4-Methyl-1,3-dioxane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    43228
    CAS Number:
    1120-97-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00006569
    Molecular Formula:
    C5H10O2
    Molecular Weight:
    102.13
    Specification Sheet SDS

  • Ethyl 1,3-dithiolane-2-carboxylate

    Purity:
    ≥ 97% (GC)
    Synonym:
    1,3-Dithiolane-2-carboxylic acid ethyl ester
    Catalog Number:
    43238
    CAS Number:
    20461-99-8
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00005411
    Molecular Formula:
    C6H10O2S2
    Molecular Weight:
    178.26
    Specification Sheet SDS

  • 4,5-Methylenedithio-1,3-dithiole-2-thione

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43233
    CAS Number:
    70800-59-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00137884
    Molecular Formula:
    C4H2S5
    Molecular Weight:
    210.36
    Specification Sheet SDS

  • 1,4-Thioxane

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    1,4-Oxathiane
    Hazmat
    Catalog Number:
    43229
    CAS Number:
    15980-15-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00006573
    Molecular Formula:
    C4H8OS
    Molecular Weight:
    104.17
    Specification Sheet SDS

  • 2,4,6-Trimethylpyrylium tetrafluoroborate

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Hazmat
    Catalog Number:
    43236
    CAS Number:
    773-01-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00032098
    Molecular Formula:
    C8H11BF4O
    Molecular Weight:
    209.98
    Specification Sheet SDS

  • 1-Methylhomopiperazine

    Hazmat
    Purity:
    ≥ 97% (NMR)
    Hazmat
    Catalog Number:
    43232
    CAS Number:
    4318-37-0
    Purity Limit:
    ≥ 97% (NMR)
    MDL NO:
    MFCD00059810
    Molecular Formula:
    C6H14N2
    Molecular Weight:
    114.19
    Specification Sheet SDS

  • 7-Hydroxythieno[3,2-b]pyridine

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    43226
    CAS Number:
    107818-20-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01863636
    Molecular Formula:
    C7H5NOS
    Molecular Weight:
    151.18
    Specification Sheet SDS

  • Piperonylonitrile

    Purity:
    ≥ 98% (GC)
    Synonym:
    1,3-Benzodioxole-5-carbonitrile
    Catalog Number:
    43224
    CAS Number:
    4421-09-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005820
    Molecular Formula:
    C8H5NO2
    Molecular Weight:
    147.13
    Specification Sheet SDS

  • 2-Methyl-4(1H)-quinazolinone

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    43235
    CAS Number:
    1769-24-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01457186
    Molecular Formula:
    C9H8N2O
    Molecular Weight:
    160.18
    Specification Sheet SDS

  • 8-Hydroxy-1,1,7,7-tetramethyljulolidine-9-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    9-Formyl-8-hydroxy-1,1,7,7-tetramethyljulolidine
    Catalog Number:
    43225
    CAS Number:
    115662-09-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00142785
    Molecular Formula:
    C17H23NO2
    Molecular Weight:
    273.38
    Specification Sheet SDS

  • Thioxanthone

    Purity:
    ≥ 98% (GC)
    Synonym:
    9-Oxothioxanthene
    Catalog Number:
    43231
    CAS Number:
    492-22-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005066
    Molecular Formula:
    C13H8OS
    Molecular Weight:
    212.27
    Specification Sheet SDS

  • Piperonylacetone

    Purity:
    ≥ 98% (GC)
    Synonym:
    4-(1,3-Benzodioxol-5-yl)-2-butanone
    Catalog Number:
    43203
    CAS Number:
    55418-52-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00016910
    Molecular Formula:
    C11H12O3
    Molecular Weight:
    192.21
    Specification Sheet SDS

  • 2-Pyrazoline

    Hazmat
    Purity:
    ≥ 95% (GC)
    Hazmat
    Catalog Number:
    43223
    CAS Number:
    109-98-8
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00059715
    Molecular Formula:
    C3H6N2
    Molecular Weight:
    70.1
    Specification Sheet SDS
Back to top