💛 99% Happy customers

📦 Same-day shipping on in-stock items

🌟 Join our Rewards Program
Chemistry

Chemistry

11923

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 293

  • Quinizarin

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    1,4-Dihydroxyanthraquinone
    Catalog Number:
    38654
    CAS Number:
    81-64-1
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD00001209
    Molecular Formula:
    C14H8O4
    Molecular Weight:
    240.21
    Specification Sheet SDS

  • Coumarin 343

    Purity:
    ≥ 98% (TLC)
    Synonym:
    2,3,6,7-Tetrahydro-11-oxo-1H,5H,11H-[1]benzopyrano[6,7,8-ij]quinolizine-10-carboxylic acid
    Catalog Number:
    38614
    CAS Number:
    55804-65-4
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00051335
    Molecular Formula:
    C16H15NO4
    Molecular Weight:
    285.3
    Specification Sheet SDS

  • 3-Nitroaniline

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    38670
    CAS Number:
    99-09-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00007782
    Molecular Formula:
    C6H6N2O2
    Molecular Weight:
    138.13
    Specification Sheet SDS

  • 5,10,15,20-Tetrakis(4-carboxymethyloxyphenyl)porphyrin

    Purity:
    ≥ 95% (Assay by titration)
    Synonym:
    5,10,15,20-Tetrakis(4-carboxymethyloxyphenyl)-21H,23H-porphine
    Catalog Number:
    38702
    CAS Number:
    127812-08-2
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD00191499
    Molecular Formula:
    C52H38N4O12
    Molecular Weight:
    910.89
    Specification Sheet SDS

  • 5,10,15,20-Tetrakis(2,6-dichlorophenyl)porphyrin

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    5,10,15,20-Tetrakis(2,6-dichlorophenyl)porphine
    Catalog Number:
    38701
    CAS Number:
    37083-37-7
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00191500
    Molecular Formula:
    C44H22Cl8N4
    Molecular Weight:
    890.29
    Specification Sheet SDS

  • 5,15-Diphenylporphyrin

    Purity:
    ≥ 90% (HPLC)
    Synonym:
    5,15-Diphenyl-21H,23H-porphine
    Catalog Number:
    38690
    CAS Number:
    22112-89-6
    Purity Limit:
    ≥ 90% (HPLC)
    MDL NO:
    MFCD08276335
    Molecular Formula:
    C32H22N4
    Molecular Weight:
    462.56
    Specification Sheet SDS

  • Sunset yellow FCF

    Purity:
    ≥ 85% (Dye content, dried basis)
    Synonym:
    CI 15985
    Catalog Number:
    38560
    CAS Number:
    2783-94-0
    Purity Limit:
    ≥ 85% (Dye content, dried basis)
    MDL NO:
    MFCD00036437
    Molecular Formula:
    C16H10N2Na2O7S2
    Molecular Weight:
    452.36
    Specification Sheet SDS

  • 5-(4-Carboxyphenyl)-10,15,20-triphenylporphyrin

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-(4-Carboxyphenyl)-10,15,20-triphenyl-21H,23H-porphine
    Catalog Number:
    38691
    CAS Number:
    95051-10-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01366156
    Molecular Formula:
    C45H30N4O2
    Molecular Weight:
    658.76
    Specification Sheet SDS

  • Oxonol yellow K

    Synonym:
    4,4'-Methylidynebis[1-(4-sulfophenyl)-3-methyl-5-pyrazolone] dipotassium salt
    Catalog Number:
    38657
    CAS Number:
    82407-55-4
    MDL NO:
    MFCD02093486
    Molecular Formula:
    C21H16K2N4O8S2
    Molecular Weight:
    594.7
    Specification Sheet SDS

  • Nuclear fast red

    Grade:
    CI 60760
    Purity:
    ≥ 92% (UV)
    Synonym:
    Kernechtrot
    Catalog Number:
    38637
    Grade:
    CI 60760
    CAS Number:
    6409-77-4
    Purity Limit:
    ≥ 92% (UV)
    MDL NO:
    MFCD00078493
    Molecular Formula:
    C14H8NNaO7S
    Molecular Weight:
    357.27
    Specification Sheet SDS

  • Fast red ITR base

    Grade:
    CI 37150
    Purity:
    ≥ 98% (Assay by titration , HPLC)
    Synonym:
    Fast red ITR
    Catalog Number:
    38669
    Grade:
    CI 37150
    CAS Number:
    97-35-8
    Purity Limit:
    ≥ 98% (Assay by titration , HPLC)
    MDL NO:
    MFCD00009045
    Molecular Formula:
    C11H18N2O3S
    Molecular Weight:
    258.34
    Specification Sheet SDS

  • 5,10,15,20-Tetrakis(3,5-dimethoxyphenyl)porphyrin

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    5,10,15,20-Tetrakis(3,5-dimethoxyphenyl)-21H,23H-porphine
    Catalog Number:
    38699
    CAS Number:
    74684-34-7
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD02093501
    Molecular Formula:
    C52H46N4O8
    Molecular Weight:
    854.96
    Specification Sheet SDS

  • meso-Tetraphenylchlorin

    Purity:
    ≥ 92% (HPLC)
    Catalog Number:
    38706
    CAS Number:
    2669-65-0
    Purity Limit:
    ≥ 92% (HPLC)
    MDL NO:
    MFCD00213944
    Molecular Formula:
    C44H32N4
    Molecular Weight:
    616.77
    Specification Sheet SDS

  • Pontacyl carmine 2B

    Grade:
    CI 18075
    Purity:
    ≥ 93% (HPLC)
    Catalog Number:
    38642
    Grade:
    CI 18075
    CAS Number:
    6625-46-3
    Purity Limit:
    ≥ 93% (HPLC)
    MDL NO:
    MFCD00059131
    Molecular Formula:
    C19H15N3Na2O9S2
    Molecular Weight:
    539.44
    Specification Sheet SDS

  • 4-(8-Hydroxy-5-quinolylazo)-1-naphthalenesulfonic acid disodium salt

    Purity:
    ≥ 93% (Assay by titration)
    Synonym:
    Naphthazoxine disodium salt
    Catalog Number:
    38682
    Purity Limit:
    ≥ 93% (Assay by titration)
    MDL NO:
    MFCD02183483
    Molecular Formula:
    C19H11N3Na2O4S
    Molecular Weight:
    423.35
    Specification Sheet SDS

  • Lithioncarmine (powder)

    Catalog Number:
    38676
    MDL NO:
    MFCD00466862
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • 2-(3,6-Dihexyloxyxanthen-9-yl)benzoic acid

    Purity:
    ≥ 97% (Assay by titration , HPLC)
    Catalog Number:
    38679
    Purity Limit:
    ≥ 97% (Assay by titration , HPLC)
    Molecular Formula:
    C32H38O5
    Molecular Weight:
    502.65
    Specification Sheet SDS

  • Fluorescin [Reagent for oxydases and peroxydases]

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    38600
    CAS Number:
    518-44-5
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00046931
    Molecular Formula:
    C20H14O5
    Molecular Weight:
    334.33
    Specification Sheet SDS

  • 2-Nitroaniline

    Hazmat
    Grade:
    CI 37025
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    38663
    Grade:
    CI 37025
    CAS Number:
    88-74-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00007687
    Molecular Formula:
    C6H6N2O2
    Molecular Weight:
    138.13
    Specification Sheet SDS

  • Naphthol yellow S hydrate

    Grade:
    CI 10316
    Purity:
    ≥ 98% (Assay by titration , HPLC)
    Synonym:
    2,4-Dinitro-1-naphthol-7-sulfonic acid disodium salt hydrate
    Catalog Number:
    38661
    Grade:
    CI 10316
    CAS Number:
    846-70-8
    Purity Limit:
    ≥ 98% (Assay by titration , HPLC)
    MDL NO:
    MFCD00003958
    Molecular Formula:
    C10H4N2Na2O8S·xH2O
    Molecular Weight:
    358.19
    Specification Sheet SDS

  • 2,4-Diaminotoluene

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2,4-Toluenediamine
    Hazmat
    Catalog Number:
    38668
    CAS Number:
    95-80-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00007804
    Molecular Formula:
    C7H10N2
    Molecular Weight:
    122.17
    Specification Sheet SDS

  • 1,4-Phenylenediamine dihydrochloride

    Hazmat
    Grade:
    CI 76061
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1,4-Diaminobenzene dihydrochloride
    Hazmat
    Catalog Number:
    38627
    Grade:
    CI 76061
    CAS Number:
    624-18-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00013002
    Molecular Formula:
    C6H8N2·2HCl
    Molecular Weight:
    181.06
    Specification Sheet SDS

  • 5,10,15,20-Tetrakis(4-hydroxyphenyl)porphyrin

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5,10,15,20-Tetrakis(4-hydroxyphenyl)-21H,23H-porphine
    Hazmat
    Catalog Number:
    38700
    CAS Number:
    51094-17-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00191501
    Molecular Formula:
    C44H30N4O4
    Molecular Weight:
    678.75
    Specification Sheet SDS

  • Boraxcarmine powder

    Catalog Number:
    38673
    MDL NO:
    MFCD01310220
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Acid anthracene brown PG

    Grade:
    CI 17590
    Synonym:
    Chrome brown PG
    Catalog Number:
    38630
    Grade:
    CI 17590
    CAS Number:
    6369-32-0
    MDL NO:
    MFCD00059537
    Molecular Formula:
    C23H15N3Na2O6S
    Molecular Weight:
    507.43
    Specification Sheet SDS

  • Filter blue green sodium salt

    Catalog Number:
    38675
    Molecular Formula:
    C30H24FeN6Na3O18S6
    Molecular Weight:
    1073.72
    Specification Sheet SDS

  • Zinc(II) tetraphenylporphyrin

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5,10,15,20-Tetraphenyl-21H,23H-porphine zinc(II)
    Catalog Number:
    38694
    CAS Number:
    14074-80-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00012155
    Molecular Formula:
    C44H28N4Zn
    Molecular Weight:
    678.12
    Specification Sheet SDS

  • 5,10,15,20-Tetra(4-pyridyl)porphyrin

    Purity:
    ≥ 93% (HPLC)
    Synonym:
    5,10,15,20-Tetra(4-pyridyl)-21H,23H-porphine
    Catalog Number:
    38697
    CAS Number:
    16834-13-2
    Purity Limit:
    ≥ 93% (HPLC)
    MDL NO:
    MFCD00009626
    Molecular Formula:
    C40H26N8
    Molecular Weight:
    618.7
    Specification Sheet SDS

  • Quercetin hydrate

    Hazmat
    Grade:
    CI 75670
    Purity:
    ≥ 96% (HPLC)
    Synonym:
    3,3',4',5,7-Pentahydroxyflavone hydrate
    Hazmat
    Catalog Number:
    38662
    Grade:
    CI 75670
    CAS Number:
    849061-97-8
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD00006828
    Molecular Formula:
    C15H10O7·xH2O
    Molecular Weight:
    302.24
    Specification Sheet SDS

  • Acetocarmine solution acc. to kultschitzky

    Catalog Number:
    38672
    MDL NO:
    MFCD00197815
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Tetraphenylporphyrin (Chlorin free)

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Tetraphenylporphine (Chlorin free)
    Catalog Number:
    38707
    CAS Number:
    917-23-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00011680
    Molecular Formula:
    C44H30N4
    Molecular Weight:
    614.75
    Specification Sheet SDS

  • Magnesium porphyrin

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Magnesium porphine
    Catalog Number:
    38704
    CAS Number:
    13007-95-9
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD18915037
    Molecular Formula:
    C20H12MgN4
    Molecular Weight:
    332.65
    Specification Sheet SDS

  • 2'-Anilino-6'-(dibutylamino)-3'-methylfluoran

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    ODB 2
    Catalog Number:
    38664
    CAS Number:
    89331-94-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00307579
    Molecular Formula:
    C35H36N2O3
    Molecular Weight:
    532.68
    Specification Sheet SDS

  • 2,3-Dihydro-1,1,3-trimethyl-2-methylene-1H-benzo[e]indole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    38569
    CAS Number:
    344928-74-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD30749259
    Molecular Formula:
    C16H17N
    Molecular Weight:
    223.32
    Specification Sheet SDS

  • Fuchsine basic

    Hazmat
    Grade:
    CI 42510
    Synonym:
    Basic violet 14
    Hazmat
    Catalog Number:
    38671
    Grade:
    CI 42510
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Phenylazoresorcinol

    Grade:
    CI 11920
    Purity:
    ≥ 80% (Assay by titration)
    Catalog Number:
    38643
    Grade:
    CI 11920
    CAS Number:
    67503-46-2
    Purity Limit:
    ≥ 80% (Assay by titration)
    MDL NO:
    MFCD00059881
    Molecular Formula:
    C12H10N2O2
    Molecular Weight:
    214.22
    Specification Sheet SDS

  • Safflower yellow

    Catalog Number:
    38677
    MDL NO:
    MFCD00151135
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Azo blue

    Grade:
    CI 23680
    Synonym:
    Direct violet 39
    Catalog Number:
    38622
    Grade:
    CI 23680
    CAS Number:
    6059-34-3
    MDL NO:
    MFCD00059133
    Molecular Formula:
    C34H24N4Na2O8S2
    Molecular Weight:
    726.69
    Specification Sheet SDS

  • Disodium 1-(dimethylphenylazo)-2-naphthol-3,6-disulfonate

    Synonym:
    1-(Dimethylphenylazo)-2-naphthol-3,6-disulfonic acid disodium salt
    Catalog Number:
    38681
    MDL NO:
    MFCD00036432
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Direct yellow 44

    Grade:
    CI 29000
    Synonym:
    Direct fast yellow GC
    Catalog Number:
    38650
    Grade:
    CI 29000
    CAS Number:
    8005-52-5
    MDL NO:
    MFCD00059960
    Molecular Formula:
    C27H20N6Na2O8S
    Molecular Weight:
    634.53
    Specification Sheet SDS

  • Phenolphthalein disulfate potassium salt hydrate

    Purity:
    ≥ 97% (Assay by titration)
    Catalog Number:
    38628
    CAS Number:
    62625-16-5
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00070538
    Molecular Formula:
    C20H13K3O11S2·xH2O
    Molecular Weight:
    610.73
    Specification Sheet SDS

  • 1,4-Diamino-2,3-dichloroanthraquinone

    Grade:
    CI 61102
    Purity:
    ≥ 93% (HPLC)
    Synonym:
    Disperse violet 28
    Catalog Number:
    38652
    Grade:
    CI 61102
    CAS Number:
    81-42-5
    Purity Limit:
    ≥ 93% (HPLC)
    MDL NO:
    MFCD00035693
    Molecular Formula:
    C14H8Cl2N2O2
    Molecular Weight:
    307.13
    Specification Sheet SDS

  • Methyl green

    Grade:
    CI 42585
    Synonym:
    Basic blue 20
    Catalog Number:
    38658
    Grade:
    CI 42585
    CAS Number:
    82-94-0
    MDL NO:
    MFCD00011879
    Molecular Formula:
    C26H33Cl2N3
    Molecular Weight:
    458.47
    Specification Sheet SDS

  • Bromocresol green - methyl red solution [Mixed indicator for neutralization titration]

    Hazmat
    Synonym:
    Methyl red - bromocresol green solution
    Hazmat
    Catalog Number:
    38680
    MDL NO:
    MFCD00134126
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Acid green A

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    38667
    CAS Number:
    93942-43-9
    Purity Limit:
    ≥ 97% (HPLC)
    Molecular Formula:
    C29H35KN2O6S2
    Molecular Weight:
    610.83
    Specification Sheet SDS

  • Acid red 26

    Grade:
    CI 16150
    Purity:
    ≥ 78% (Dye content)
    Synonym:
    Ponceau de xylidine
    Catalog Number:
    38584
    Grade:
    CI 16150
    CAS Number:
    3761-53-3
    Purity Limit:
    ≥ 78% (Dye content)
    MDL NO:
    MFCD00003897
    Molecular Formula:
    C18H14N2Na2O7S2
    Molecular Weight:
    480.42
    Specification Sheet SDS

  • INT formazan

    Synonym:
    1-(4-Iodophenyl)-5-(4-nitrophenyl)-3-phenylformazan
    Catalog Number:
    38646
    CAS Number:
    7781-49-9
    MDL NO:
    MFCD00007300
    Molecular Formula:
    C19H14IN5O2
    Molecular Weight:
    471.26
    Specification Sheet SDS

  • Pigment orange 43

    Grade:
    CI 71105
    Purity:
    ≥ 94%
    Synonym:
    Vat orange 7
    Catalog Number:
    38590
    Grade:
    CI 71105
    CAS Number:
    4424-06-0
    Purity Limit:
    ≥ 94%
    MDL NO:
    MFCD00071829
    Molecular Formula:
    C26H12N4O2
    Molecular Weight:
    412.41
    Specification Sheet SDS

  • Lithol rubin BCA

    Grade:
    CI 15850
    Purity:
    ≥ 88% (UV-vis method)
    Synonym:
    Brilliant carmine 6B
    Catalog Number:
    38608
    Grade:
    CI 15850
    CAS Number:
    5281-04-9
    Purity Limit:
    ≥ 88% (UV-vis method)
    MDL NO:
    MFCD00059529
    Molecular Formula:
    C18H12CaN2O6S
    Molecular Weight:
    424.44
    Specification Sheet SDS

  • Arsenazo I trisodium salt

    Hazmat
    Purity:
    ≥ 90% (Assay by titration)
    Synonym:
    2-Arsonophenylazochromotropic acid trisodium salt
    Hazmat
    Catalog Number:
    38641
    CAS Number:
    66019-20-3
    Purity Limit:
    ≥ 90% (Assay by titration)
    MDL NO:
    MFCD00003937
    Molecular Formula:
    C16H10AsN2Na3O11S2
    Molecular Weight:
    614.27
    Specification Sheet SDS
Back to top