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Enzymes, Inhibitors, & Substrates

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  • Pyridoxal-5-phosphate hydrate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-Hydroxy-2-methyl-5-([phosphonooxy]methyl)-4-pyridinecarboxaldehyde
    Catalog Number:
    42121
    CAS Number:
    853645-22-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006333
    Molecular Formula:
    C8H10NO6P·xH2O
    Molecular Weight:
    247.14
  • Lipoic acid, reduced

    Grade:
    analytical standard
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (±-Dihydrolipoic acid
    Catalog Number:
    42111
    Grade:
    analytical standard
    CAS Number:
    462-20-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00166974
    Molecular Formula:
    C8H16O2S2
    Molecular Weight:
    208.34
  • Ritonavir

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    38226
    CAS Number:
    155213-67-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00927142
    Molecular Formula:
    C37H48N6O5S2
    Molecular Weight:
    720.95
  • 2-(4-Carbamimidoylphenyl)-1H-indole-6-carboxamidine dihydrochloride

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    DAPI dihydrochloride
    Catalog Number:
    29999
    CAS Number:
    28718-90-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00012681
    Molecular Formula:
    C16H15N5·2HCl
    Molecular Weight:
    350.25
  • Etoposide

    Grade:
    USP
    Purity:
    95 - 105% (Assay on anhydrous basis)
    Catalog Number:
    28435
    Grade:
    USP
    CAS Number:
    33419-42-0
    Purity Limit:
    95 - 105% (Assay on anhydrous basis)
    MDL NO:
    MFCD00869325
    Molecular Formula:
    C29H32O13
    Molecular Weight:
    588.56
  • 3,3',5,5'-Tetramethylbenzidine dihydrochloride dihydrate

    Purity:
    ≥ 98% (Assay)
    Synonym:
    (Tmb) dihydrochloride dihydrate
    Catalog Number:
    21704
    CAS Number:
    207738-08-7
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD03065942
    Molecular Formula:
    C16H20N2·2HCl·2H2O
    Molecular Weight:
    349.3
  • Nα-Tosyl-L-arginine methyl ester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Tos-L-Arg-OMe·HCl
    Catalog Number:
    03034
    CAS Number:
    1784-03-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00012578
    Molecular Formula:
    C14H22N4O4S·HCl
    Molecular Weight:
    378.9
  • Benzamidine hydrochloride, anhydrous

    Grade:
    Ultra Pure Grade
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Benzenecarboximidamide hydrochloride
    Catalog Number:
    02005
    Grade:
    Ultra Pure Grade
    CAS Number:
    1670-14-0, 477904-89-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00013025
    Molecular Formula:
    C7H8N2·HCl
    Molecular Weight:
    156.61
  • Catalog Number:
    01895
    CAS Number:
    108321-21-7
    Purity Limit:
    ≥ 95% (UV)
    MDL NO:
    MFCD00079248
    Molecular Formula:
    C24H36N7O17P3SLi4·4H2O
    Molecular Weight:
    919.4
  • Malonyl coenzyme A lithium salt

    Purity:
    ≥ 95% (HPLC)
    Catalog Number:
    01888
    CAS Number:
    108347-84-8
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00057769
    Molecular Formula:
    C24H38N7O19P3SLi
    Molecular Weight:
    860.5
  • Catalog Number:
    00441
    CAS Number:
    114162-64-0
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00058543
    Molecular Formula:
    C14H13BrClNO7·C6H13N
    Molecular Weight:
    521.8
  • Thiamine pyrophosphate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Thiamine pyrophosphate chloride
    Catalog Number:
    00461
    CAS Number:
    154-87-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00038740
    Molecular Formula:
    C12H19ClN4O7P2S
    Molecular Weight:
    460.77
  • Coenzyme Q10

    Grade:
    Meets USP specification
    Purity:
    98 - 101% (Assay on anhydrous basis)
    Synonym:
    Ubiquinone-10
    Catalog Number:
    00077
    Grade:
    Meets USP specification
    CAS Number:
    303-98-0
    Purity Limit:
    98 - 101% (Assay on anhydrous basis)
    MDL NO:
    MFCD00042919
    Molecular Formula:
    C59H90O4
    Molecular Weight:
    863.4
  • Guanosine-5'-diphosphoglucose disodium salt

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    GDP-Glc
    Catalog Number:
    42144
    CAS Number:
    103301-72-0
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00070118
    Molecular Formula:
    C16H25N5O16P2·Na2
    Molecular Weight:
    651.32
  • 2-Butenoyl coenzyme A lithium salt

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    2-Butenoyl CoA lithium salt
    Catalog Number:
    42140
    CAS Number:
    102680-35-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00167413
    Molecular Formula:
    C25H40N7O17P3S
    Molecular Weight:
    835.61
  • Adenosine-5'-triphosphate magnesium salt, bacterial

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    5'-ATP · Mg
    Catalog Number:
    42142
    CAS Number:
    74804-12-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00084767
    Molecular Formula:
    C10H16N5O13P3·xMg2+
    Molecular Weight:
    507.18
  • Isovaleryl coenzyme A lithium salt hydrate

    Purity:
    ≥ 90% (HPLC)
    Synonym:
    IV-CoA
    Catalog Number:
    42109
    Purity Limit:
    ≥ 90% (HPLC)
    Molecular Formula:
    C26H44N7O17P3S·xLi+·yH2O
    Molecular Weight:
    851.65
  • Coenzyme Q1

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2,3-Dimethoxy-5-methyl-6-(3-methyl-2-butenyl)-1,4-benzoquinone
    Catalog Number:
    42097
    CAS Number:
    727-81-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00274412
    Molecular Formula:
    C14H18O4
    Molecular Weight:
    250.29
  • Adenosine-5'-(β,γ-imido)triphosphate lithium salt hydrate

    Purity:
    ≥ 93% (HPLC)
    Synonym:
    b,g-Imidoadenosine 5'-triphosphate lithium salt hydrate
    Catalog Number:
    42090
    CAS Number:
    25612-73-1
    Purity Limit:
    ≥ 93% (HPLC)
    Molecular Formula:
    C10H17N6O12P3·xLi+·yH2O
    Molecular Weight:
    506.2
  • Adenosine-5'-[γ-thio]triphosphate tetralithium salt

    Purity:
    ≥ 90% (HPLC)
    Synonym:
    ATP-γ-S
    Catalog Number:
    42089
    CAS Number:
    93839-89-5
    Purity Limit:
    ≥ 90% (HPLC)
    MDL NO:
    MFCD00077293
    Molecular Formula:
    C10H16N5O12P3SLi3
    Molecular Weight:
    544.07
  • Acetyl coenzyme A lithium salt

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Acetyl-CoA
    Catalog Number:
    42087
    CAS Number:
    32140-51-5
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00167406
    Molecular Formula:
    C23H38N7O17P3S·xLi+
    Molecular Weight:
    809.57
  • Guanosine-5'-triphosphate sodium salt hydrate

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    5'-GTP · Na · H2O
    Catalog Number:
    42082
    CAS Number:
    36051-31-7
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00077781
    Molecular Formula:
    C10H16N5O14P3·xNa+·H2O
    Molecular Weight:
    523.18
  • Glutathione reduced form

    Grade:
    meets EP specifications
    Purity:
    ≥ 99% (Assay)
    Synonym:
    γ-L-Glutamyl-L-cysteinylglycine
    Catalog Number:
    41767
    Grade:
    meets EP specifications
    CAS Number:
    70-18-8
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00065939
    Molecular Formula:
    C10H17N3O6S
    Molecular Weight:
    307.33
  • 1,2-Phenylenediamine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    1,2-Diaminobenzene
    Hazmat
    Catalog Number:
    40899
    CAS Number:
    95-54-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00007721
    Molecular Formula:
    C6H8N2
    Molecular Weight:
    108.14
  • Folic acid

    Grade:
    Suitable for cell culture
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Pteroyl-L-glutamic acid
    Catalog Number:
    38857
    Grade:
    Suitable for cell culture
    CAS Number:
    59-30-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00079305
    Molecular Formula:
    C19H19N7O6
    Molecular Weight:
    441.4
  • Fast black K salt

    Grade:
    CI 37190
    Purity:
    ≥ 95% (HPLC)
    Synonym:
    2,5-Dimethoxy-4-(4-nitrophenylazo)benzenediazonium chloride zinc chloride
    Catalog Number:
    38634
    Grade:
    CI 37190
    CAS Number:
    64071-86-9
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00078471
    Molecular Formula:
    C14H12ClN5O4·0.5ZnCl2
    Molecular Weight:
    417.87
  • Sildenafil citrate

    Grade:
    Meets IP Specification
    Purity:
    98 - 102% (HPLC)
    Synonym:
    1-[[3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methylpiperazine citrate
    Catalog Number:
    38268
    Grade:
    Meets IP Specification
    CAS Number:
    171599-83-0
    Purity Limit:
    98 - 102% (HPLC)
    MDL NO:
    MFCD09026931
    Molecular Formula:
    C22H30N6O4S·C6H8O7
    Molecular Weight:
    666.7
  • Simvastatin

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    38250
    CAS Number:
    79902-63-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00072007
    Molecular Formula:
    C25H38O5
    Molecular Weight:
    418.57
  • Piroxicam

    Hazmat
    Grade:
    meets USP specification
    Purity:
    97 - 103% (Assay)
    Synonym:
    4-Hydroxy-2-methyl-N-(2-pyridyl)-2H-1,2-benzothiazine-3-carboxamide 1,1-Dioxide
    Hazmat
    Catalog Number:
    38162
    Grade:
    meets USP specification
    CAS Number:
    36322-90-4
    Purity Limit:
    97 - 103% (Assay)
    MDL NO:
    MFCD00057317
    Molecular Formula:
    C15H13N3O4S
    Molecular Weight:
    331.35
  • Montelukast sodium hydrate

    Grade:
    Meets USP Specification
    Purity:
    98 - 102% (Assay anhydrous basis)
    Catalog Number:
    38052
    Grade:
    Meets USP Specification
    CAS Number:
    151767-02-1
    Purity Limit:
    98 - 102% (Assay anhydrous basis)
    MDL NO:
    MFCD00931431
    Molecular Formula:
    C35H35ClNNaO3S·xH2O
    Molecular Weight:
    626.18
  • Ibuprofen

    Purity:
    ≥ 98% (Assay)
    Synonym:
    2-(4-Isobutylphenyl)propionic acid
    Catalog Number:
    37950
    CAS Number:
    15687-27-1
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00010393
    Molecular Formula:
    C13H18O2
    Molecular Weight:
    206.29
  • Diclofenac sodium salt

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-(2,6-dichloroanilino)phenylacetic acid sodium salt
    Hazmat
    Catalog Number:
    37788
    CAS Number:
    15307-79-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00082251
    Molecular Formula:
    C14H10Cl2NNaO2
    Molecular Weight:
    318.13
  • Caffeine

    Grade:
    FG, FEMA 2224
    Purity:
    ≥ 99% (Assay)
    Synonym:
    1,3,7-Trimethylxanthine
    Catalog Number:
    33898
    Grade:
    FG, FEMA 2224
    CAS Number:
    58-08-2
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD17019319
    Molecular Formula:
    C8H10N4O2
    Molecular Weight:
    194.19
  • Theobromine

    Purity:
    99 - 101% (Assay)
    Synonym:
    2,6-Dihydroxy-3,7-dimethylpurine
    Catalog Number:
    32534
    CAS Number:
    83-67-0
    Purity Limit:
    99 - 101% (Assay)
    MDL NO:
    MFCD00022830
    Molecular Formula:
    C7H8N4O2
    Molecular Weight:
    180.16
  • 8-Anilino-1-naphthalenesulfonic acid ammonium salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Ammonium 8-anilino-1-naphthalenesulfonate
    Catalog Number:
    31887
    CAS Number:
    28836-03-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00012560
    Molecular Formula:
    C16H13NO3S·NH3
    Molecular Weight:
    316.37
  • N-[(2S,3R)-3-Amino-2-hydroxy-4-phenylbutyryl]-L-leucine

    Purity:
    ≥ 99% (Assay by titration, HPLC)
    Synonym:
    ([2S,3R]-3-Amino-2-hydroxy-4-phenylbutanoyl)-L-leucine
    Catalog Number:
    31886
    CAS Number:
    58970-76-6
    Purity Limit:
    ≥ 99% (Assay by titration, HPLC)
    MDL NO:
    MFCD00083262
    Molecular Formula:
    C16H24N2O4
    Molecular Weight:
    308.38
  • (+)-Sodium L-ascorbate crystalline

    Grade:
    meets FCC specifications
    Purity:
    99.0-101.0% (Assay, dried basis)
    Synonym:
    L(+)-Ascorbic acid sodium salt
    Catalog Number:
    30768
    Grade:
    meets FCC specifications
    CAS Number:
    134-03-2
    Purity Limit:
    99.0-101.0% (Assay, dried basis)
    MDL NO:
    MFCD00082340
    Molecular Formula:
    C6H7O6Na
    Molecular Weight:
    198.1
  • Thioflavin T  

    Purity:
    ≥ 90% (Dye content)
    Synonym:
    Basic Yellow 1 
    Catalog Number:
    22870
    CAS Number:
    2390-54-7
    Purity Limit:
    ≥ 90% (Dye content)
    MDL NO:
    MFCD00011944
    Molecular Formula:
    C17H19N2SCl
    Molecular Weight:
    318.87
  • Cyclosporin A

    Grade:
    USP
    Purity:
    97.0 - 101.5% (Assay, on dry basis)
    Synonym:
    Cyclosporin
    Catalog Number:
    22123
    Grade:
    USP
    CAS Number:
    59865-13-3
    Purity Limit:
    97.0 - 101.5% (Assay, on dry basis)
    MDL NO:
    MFCD00274558
    Molecular Formula:
    C62H111N11O12
    Molecular Weight:
    1202.64
  • (S)-(+)-Camptothecin

    Purity:
    ≥ 99% (Assay)
    Catalog Number:
    22069
    CAS Number:
    7689-03-4
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00081076
    Molecular Formula:
    C20H16N2O4
    Molecular Weight:
    348.35
  • 3-Amino-1,2,4-triazole

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1,2,4-Triazol-3-amine
    Hazmat
    Catalog Number:
    21858
    CAS Number:
    61-82-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005230
    Molecular Formula:
    C2H4N4
    Molecular Weight:
    84.08
  • Catalog Number:
    21693
    CAS Number:
    4264-82-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00040631
    Molecular Formula:
    C16H18BrClN2O6
    Molecular Weight:
    449.68
  • 4-Methylumbelliferyl-N-acetyl-β-D-glucosaminide

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Methylumbelliferyl-2-acetamido-2-deoxy-β-D-glucopyranose
    Catalog Number:
    21671
    CAS Number:
    37067-30-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00065481
    Molecular Formula:
    C18H21NO8
    Molecular Weight:
    379.36
  • 5-Bromo-6-chloro-3-indolyl β-D-glucuronide cyclohexylammonium salt

    Purity:
    ≥ 98% (TLC)
    Synonym:
    5-Bromo-6-chloro-3-indoxyl-β-D-glucuronic acid, cyclohexylammonium salt
    Catalog Number:
    21197
    CAS Number:
    144110-43-0
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00153929
    Molecular Formula:
    C14H13BrClNO7·C6H13N
    Molecular Weight:
    521.79
  • 5-Carboxy-tetramethylrhodamine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    5-TAMRA
    Catalog Number:
    16900
    CAS Number:
    91809-66-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00269769
    Molecular Formula:
    C25H22N2O5
    Molecular Weight:
    430.5
  • 5(6)-Carboxy-tetramethylrhodamine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    5(6)-TAMRA
    Catalog Number:
    14719
    CAS Number:
    98181-63-6, 150347-56-1
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD16661194
    Molecular Formula:
    C25H22N2O5
    Molecular Weight:
    430.46
  • 5-Bromoindol-3-yl-β-D-galactoside

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    5-Bromo-3-indolyl-β-D-galactopyranoside
    Catalog Number:
    10644
    CAS Number:
    97753-82-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00063691
    Molecular Formula:
    C14H16BrNO6
    Molecular Weight:
    374.19
  • Tosyl-L-Phenylalanine chloromethylketone

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Tos-L-Phe-CMK
    Hazmat
    Catalog Number:
    10099
    CAS Number:
    402-71-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00000935
    Molecular Formula:
    C17H18ClNO3S
    Molecular Weight:
    351.85
  • L-Alanine 7-amido-4-methylcoumarin trifluoroacetate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Ala-AMC·TFA
    Catalog Number:
    05819
    CAS Number:
    96594-10-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00037394
    Molecular Formula:
    C13H14N2O3·C2HO2F3
    Molecular Weight:
    360.23
  • 3-(4'-Hydroxyphenyl)propionic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Phloretic acid
    Catalog Number:
    05284
    CAS Number:
    501-97-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00002778
    Molecular Formula:
    C9H10O3
    Molecular Weight:
    166.18