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Free Radicals and Oxidant/Reducing Agents

Free Radicals and Oxidant/Reducing Agents

Free radicals are molecules with unpaired electrons that can damage cellular structures, affecting the stability of active pharmaceutical ingredients (APIs). These radicals are important in API formulation, as their presence can influence the stability and efficacy of the drug. Oxidising agents are substances that facilitate the loss of electrons, which can be useful in the production of certain APIs but may also trigger unwanted reactions if not properly controlled. Reducing agents, on the other hand, can stabilise some active compounds by preventing oxidation. The control of free radicals and the management of oxidising and reducing agents are essential in the development of APIs with a prolonged shelf life and efficient therapeutic activity.

Found 212 products of "Free Radicals and Oxidant/Reducing Agents"

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  • L-Ascorbic acid

    CAS:
    <p>L-Ascorbic acid (Vitamin C) is a natural product that is a potent reducing agent and antioxidant.</p>
    Formula:C6H8O6
    Purity:99.85% - 99.89%
    Color and Shape:Crystals (Usually Plates Sometimes Needles Mon°Clinic System) Taste Almost Odorless (Ntp 1992)
    Molecular weight:176.12
  • Antitrypanosomal agent 1

    CAS:
    <p>Potent TR inhibitor with IC50: 3.3μM, also inhibits glutathione reductase (IC50: 64.8μM) and T. brucei (EC50: 1μM).</p>
    Formula:C11H14Cl3NO
    Purity:97.76%
    Color and Shape:Solid
    Molecular weight:282.59
  • Glutathione oxidized

    CAS:
    <p>Glutathione oxidized (L(-) -glutathione) is the oxidized form of Glutathione, which is a major antioxidant and antidote in cells. High-Quality, Low-Cost!</p>
    Formula:C20H32N6O12S2
    Purity:97.27% - 99.88%
    Color and Shape:Solid
    Molecular weight:612.63
  • Edaravone

    CAS:
    <p>Edaravone (MCI-186)(MCI-186) is a potent new free radical scavenger used for the therapy of patients with acute brain infarction.</p>
    Formula:C10H10N2O
    Purity:99.44% - >99.99%
    Color and Shape:Pale Yellow Solid Solid Particulate/Powder
    Molecular weight:174.20
  • L-Glutathione reduced

    CAS:
    <p>L-Glutathione reduced (Glutathione) is a naturally occurring tripeptide found in cells as an endogenous antioxidant that scavenges oxygen free radicals.</p>
    Formula:C10H17N3O6S
    Purity:97.37% - 99.99%
    Color and Shape:Solid
    Molecular weight:307.32
  • Ebselen

    CAS:
    <p>Ebselen is a selenium compound with anti-inflammatory and antioxidant properties, mimicking glutathione peroxidase to protect against ROS damage.</p>
    Formula:C13H9NOSe
    Purity:98.99% - 99.94%
    Color and Shape:White Solid
    Molecular weight:274.18
  • L-SelenoMethionine

    CAS:
    <p>L-Selenomethionine is a natural amino acid boosting cell growth and antioxidant enzyme levels.</p>
    Formula:C5H11NO2Se
    Purity:99.5% - 99.67%
    Color and Shape:White To Off-Whitepowder
    Molecular weight:196.11
  • Ascorbyl palmitate

    CAS:
    <p>Ascorbyl palmitate (L-Ascorbic acid 6-hexadecanoate), an ester formed from ascorbic acid and palmitic acid, produces a fat-soluble form of vitamin C.</p>
    Formula:C22H38O7
    Purity:99.52%
    Color and Shape:White Or Yellowish White Powder White Or Yellowish-White Powder With A Citrus-Like Odour
    Molecular weight:414.53
  • MTSL (S-(2,2,5,5-Tetramethyl-2,5-Dihydro-1H-Pyrrol-3yl)methyl Methanesulfonothioate)

    CAS:
    Formula:C10H18NO3S2
    Color and Shape:Pale Yellow Solid
    Molecular weight:264.39

    Ref: 4Z-M-099001

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    825.00€
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  • Edaravone Glucuronide

    CAS:
    Formula:C16H18N2O7
    Color and Shape:Off-White Solid
    Molecular weight:350.33

    Ref: 4Z-E-5330

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    1,456.00€
    25mg
    2,670.00€
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    4,368.00€
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  • Glutathione (1S,2S)-Isomer Trifluoroacetate

    CAS:
    Formula:C10H17N3O6S·C2HF3O2
    Color and Shape:White To Off-White Solid
    Molecular weight:307.33 114.02

    Ref: 4Z-PG-2510

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  • Edaravone Impurity 21


    Formula:C20H18N4O3
    Color and Shape:White To Off-White Solid
    Molecular weight:362.39

    Ref: 4Z-E-5323

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    1,456.00€
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    2,670.00€
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  • Edaravone Impurity 19

    CAS:
    Formula:C10H10N2O2
    Color and Shape:White To Off-White Solid
    Molecular weight:190.20

    Ref: 4Z-E-5321

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    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
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  • Glutathione Impurity 4

    CAS:
    Formula:C10H17N3O9S
    Molecular weight:355.32

    Ref: 4Z-PG-2521

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    1,214.00€
    25mg
    2,184.00€
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    3,398.00€
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  • Glutathione-(Glycine-13C2-15N) Trifluoroacetate

    CAS:
    Formula:C813C2H17N215NO6S·C2HF3O2
    Color and Shape:Off-White Solid
    Molecular weight:310.30 114.02

    Ref: 4Z-PG-2512

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  • Edaravone Impurity 25

    CAS:
    Formula:C20H18N4O
    Molecular weight:330.39

    Ref: 4Z-E-5338

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    10mg
    1,942.00€
    25mg
    3,580.00€
    50mg
    5,764.00€
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  • Edaravone Sulfate Triethylamine Salt

    CAS:
    Formula:C10H10N2O4S·Et3N
    Color and Shape:White To Off-White Solid
    Molecular weight:254.26 101.19

    Ref: 4Z-E-5329

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    508.00€
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    825.00€
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    1,153.00€
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  • Ascorbic Acid EP Impurity G

    CAS:
    Formula:C6H6O7
    Color and Shape:Pale Yellow Solid
    Molecular weight:190.11

    Ref: 4Z-A-129002

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    910.00€
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    1,638.00€
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    2,366.00€
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  • Magnesium Ascorbyl Phosphate

    CAS:
    Formula:C6H7O9P·Mg
    Color and Shape:Pale Yellow Solid
    Molecular weight:254.09 24.31

    Ref: 4Z-A-129013

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    10mg
    910.00€
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    1,638.00€
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  • Edaravone

    CAS:
    Formula:C10H10N2O
    Color and Shape:White To Off-White Solid
    Molecular weight:174.20

    Ref: 4Z-E-531

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    10mg
    349.00€
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    444.00€
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  • Ascorbic Acid EP Impurity H

    CAS:
    Formula:C7H8O7
    Color and Shape:Pale Brown Solid
    Molecular weight:204.13

    Ref: 4Z-A-129003

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    10mg
    910.00€
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    1,638.00€
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  • Ascorbic Acid EP Impurity F

    CAS:
    Formula:C6H8O6
    Color and Shape:White To Off-White Solid
    Molecular weight:176.12

    Ref: 4Z-A-129006

    5mg
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    444.00€
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    635.00€
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  • Edaravone Impurity 11

    CAS:
    Formula:C10H12N2O2
    Color and Shape:White To Off-White Solid
    Molecular weight:192.22

    Ref: 4Z-E-5313

    5mg
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    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
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  • Edaravone Impurity 28

    CAS:
    Formula:C10H10N2O
    Molecular weight:174.20

    Ref: 4Z-E-5334

    5mg
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    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    100mg
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  • Edaravone Impurity 5

    CAS:
    Formula:C30H26N6O3
    Color and Shape:White To Off-White Solid
    Molecular weight:518.58

    Ref: 4Z-E-534

    5mg
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    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
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  • Glutathione EP Impurity A

    CAS:
    Formula:C5H10N2O3S·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:178.21 36.46

    Ref: 4Z-PG-2513

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    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
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  • Glutathione Impurity 1 DiHCl

    CAS:
    Formula:C10H15N3O5S·2HCl
    Color and Shape:Off-White Solid
    Molecular weight:289.31 2*36.46

    Ref: 4Z-PG-2516

    5mg
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    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
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  • Edaravone Impurity 32

    CAS:
    Formula:C20H18N4O3
    Molecular weight:362.39

    Ref: 4Z-E-5339

    5mg
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    10mg
    1,942.00€
    25mg
    3,580.00€
    50mg
    5,764.00€
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  • Glutathione (1R,2R)-Isomer Trifluoroacetate

    CAS:
    Formula:C10H17N3O6S·C2HF3O2
    Color and Shape:White To Off-White Solid
    Molecular weight:307.33 114.02

    Ref: 4Z-PG-259

    5mg
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    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
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  • Glutathione EP Impurity D Trifluoroacetate

    CAS:
    Formula:C8H14N2O5S·C2HF3O2
    Color and Shape:White To Off-White Solid
    Molecular weight:250.06 114.02

    Ref: 4Z-PG-2526

    5mg
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    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
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  • Edaravone Impurity 27

    CAS:
    Formula:C10H10N2O3
    Color and Shape:Yellow Solid
    Molecular weight:206.20

    Ref: 4Z-E-5332

    5mg
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    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
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  • S-Nitroso Glutathione

    CAS:
    Formula:C10H16N4O7S
    Molecular weight:336.32

    Ref: 4Z-PG-2534

    5mg
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    10mg
    444.00€
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    635.00€
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    825.00€
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  • L-Ascorbic Acid (Vitamin C)

    CAS:
    Formula:C6H8O6
    Color and Shape:White To Off-White Solid
    Molecular weight:176.12

    Ref: 4Z-A-129015

    5mg
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    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
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  • Edaravone-d5 Glucuronide Sodium Salt

    CAS:
    Formula:C16H12D5N2O7·Na
    Color and Shape:White To Off-White Solid
    Molecular weight:354.35 22.99

    Ref: 4Z-E-5333

    5mg
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    10mg
    2,184.00€
    25mg
    4,004.00€
    50mg
    6,674.00€
    100mg
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  • Glutathione EP Impurity C (Glutathione Disulfide Impurity)

    CAS:
    Formula:C20H32N6O12S2
    Color and Shape:White To Off-White Solid
    Molecular weight:612.63

    Ref: 4Z-PG-254

    5mg
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    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
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  • S-(1,2-Dichlorovinyl)-Glutathione

    CAS:
    Formula:C12H17Cl2N3O6S
    Color and Shape:White To Off-White Solid
    Molecular weight:402.26

    Ref: 4Z-PG-251

    5mg
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    10mg
    1,092.00€
    25mg
    1,942.00€
    50mg
    3,034.00€
    100mg
    To inquire
  • Edaravone Impurity 33


    Formula:C16H18N2O3
    Molecular weight:286.33

    Ref: 4Z-E-5340

    5mg
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    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
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  • L-Ascorbic Acid-13C6 (Vitamin C-13C6)

    CAS:
    Formula:C6H8O6
    Color and Shape:White To Off-White Solid
    Molecular weight:182.08

    Ref: 4Z-A-129014

    5mg
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    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
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  • Hydroxyamine HCl

    CAS:
    Formula:H3NO·HCl
    Molecular weight:33.03 36.46

    Ref: 4Z-H-086002

    5mg
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    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
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  • Ascorbyl Tetraisopalmitate

    CAS:
    Formula:C70H128O10
    Color and Shape:Colourless Liquid
    Molecular weight:1129.79

    Ref: 4Z-A-139002

    5mg
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  • Edaravone Impurity 9

    CAS:
    Formula:C10H10N2O
    Color and Shape:Pale Yellow Solid
    Molecular weight:174.20

    Ref: 4Z-E-536

    5mg
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    10mg
    444.00€
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  • Ascorbic Acid Impurity 5

    CAS:
    Formula:C6H10O7
    Molecular weight:194.14

    Ref: 4Z-A-129018

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  • Visomitin Impurity 3 Bromide

    CAS:
    Formula:C2H20P·Br
    Molecular weight:291.35 79.90

    Ref: 4Z-V-060006

    5mg
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    10mg
    444.00€
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    635.00€
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  • Ascorbyl Palmitate

    CAS:
    Formula:C22H38O7
    Color and Shape:White To Off-White Solid
    Molecular weight:414.54

    Ref: 4Z-A-139001

    5mg
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    10mg
    444.00€
    25mg
    635.00€
    50mg
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  • Edaravone Impurity 12

    CAS:
    Formula:C22H22N4O2
    Color and Shape:White To Off-White Solid
    Molecular weight:374.44

    Ref: 4Z-E-5314

    5mg
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    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
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  • Edaravone-d5

    CAS:
    Formula:C10H5D5N2O
    Color and Shape:White To Off-White Solid
    Molecular weight:179.23

    Ref: 4Z-E-5328

    5mg
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    10mg
    1,335.00€
    25mg
    2,366.00€
    50mg
    3,944.00€
    100mg
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  • Visomitin Impurity 1 Bromide

    CAS:
    Formula:C36H44O2P·Br
    Molecular weight:539.72 79.90

    Ref: 4Z-V-060004

    5mg
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    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
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  • Ref: 4Z-PG-2511

    5mg
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    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
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  • Edaravone Impurity 30

    CAS:
    Formula:C9H10N2O2
    Color and Shape:White To Off-White Solid
    Molecular weight:178.19

    Ref: 4Z-E-5336

    5mg
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    10mg
    444.00€
    25mg
    635.00€
    50mg
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  • S-(1,2-Dichlorovinyl)-Glutathione-13C2-15N

    CAS:
    Formula:C1013C2H17Cl2N215NO6S
    Color and Shape:Off-White Solid
    Molecular weight:405.23

    Ref: 4Z-PG-252

    5mg
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    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
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