Antioxidant and Free Radical Scavengers

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A7250 N-Acetyl-L-cysteine Sigma Grade, ≥99% (TLC), powder
A7506 L-Ascorbic acid reagent grade, crystalline
A0278 L-Ascorbic acid reagent grade
B5438 Balsalazide disodium salt hydrate
2011 Bilirubin - CAS 635-65-4 - Calbiochem Principal pigment of bile and one of the major end products of hemoglobin decomposition.
201102 Bilirubin Conjugate, Ditaurate, Disodium Salt - Calbiochem Bilirubin Conjugate, Ditaurate, Disodium Salt is suitable as a direct bilirubin standard. Behaves similar to purified bilirubin glucuronides from human bile in diazo tests. Unstable in solution.
203995 N-tert-Butyl-α-phenylnitrone - CAS 3376-24-7 - Calbiochem Most commonly-used free radical trap.
C0625 Caffeic acid ≥98.0% (HPLC)
C8221 Caffeic acid phenethyl ester ≥97% (HPLC), powder
C9750 β-Carotene synthetic, ≥93% (UV), powder
C4582 β-Carotene synthetic, ≥95% (HPLC), crystalline
C0692 (−)-Catechin gallate ≥98% (HPLC), from green tea
C3878 Chlorogenic acid ≥95% (titration)
C6003 Chlorophyllin sodium copper salt commercial grade
C9008 p-Coumaric acid ≥98.0% (HPLC)
43725 Delphinidin chloride analytical standard
437694 DL-α-Lipoic Acid, Dihydro- - CAS 462-20-4 - Calbiochem An effective antioxidant.
E2250 Ellagic acid ≥95% (HPLC), powder, from tree bark
E1753 (−)-Epicatechin ≥90% (HPLC)
E4018 (−)-Epicatechin ≥98% (HPLC), from green tea
E3893 (−)-Epicatechin gallate ≥98% (HPLC), from green tea
E4143 (−)-Epigallocatechin gallate ≥95%
E4268 (−)-Epigallocatechin gallate ≥80% (HPLC), from green tea
E51791 Eugenol ReagentPlus®, 99%
341209 EUK-8 - Calbiochem A synthetic salen-manganese complex with high superoxide dismutase (SOD) and catalase-mimic activities, and oxyradical scavenging activities.
128708 trans-Ferulic acid 99%
341501 FeTMPyP - Calbiochem Catalyzes the isomerization of peroxynitrite (ONOO⁻) to nitrate (NO3⁻) under physiological conditions and at realistic dose-derived concentrations (kcat = 2.2 x 10⁶M⁻¹s⁻¹).
341492 FeTPPS - Calbiochem A ferric porphyrin complex that catalytically isomerizes peroxynitrite to nitrate both in vivo and in vitro.
344215 Formononetin - CAS 485-72-3 - Calbiochem A phytoestrogenic isoflavone found in soy-based foods.
F6932 Fucoxanthin carotenoid antioxidant
G7384 Gallic acid 97.5-102.5% (titration)
G6657 (−)-Gallocatechin ≥98% (HPLC)
G6782 (−)-Gallocatechin gallate from green tea, ≥98% (HPLC)
G6910 Ginkgolide B from Ginkgo biloba leaves ≥90% (HPLC)
353905 Glutathione Monoethyl Ester - CAS 118421-50-4 - Calbiochem Cell-permeable derivative of glutathione (GSH) that undergoes hydrolysis by intracellular esterases to release GSH.
3542 Glutathione, Oxidized, Free Acid - CAS 27025-41-8 - Calbiochem Glutathione, Oxidized, Free Acid, CAS 27025-41-8, forms a "redox buffer" in physiological systems in the presence of reduced glutathione.
3541 Glutathione, Reduced, Free Acid - CAS 70-18-8 - Calbiochem Glutathione, Reduced, Free Acid, CAS 70-18-8, is a tripeptide that serves as an endogenous antioxidant and provides protection against auto-oxidation.
H5254 Hesperidin ≥80%
H4291 3-Hydroxytyrosol ≥98% (HPLC)
K0133 Kaempferol ≥90% (HPLC), powder
O5507 Linoleic acid, conjugated
T5625 (±)-α-Lipoic acid synthetic, ≥99% (titration), powder
437692 α-Lipoic Acid - CAS 1077-28-7 - Calbiochem α-Lipoic Acid, CAS 1077-28-7 is an oxidized form with antioxidant properties. Reduces renal lipid peroxidation in rats with cisplatin n-induced nephrotoxicity.
L9283 Luteolin ≥98% (TLC), powder
440025 Luteolin - CAS 491-70-3 - Calbiochem An antioxidant flavonoid and a free radical scavenger.
SMB00706 Lycopene ≥98% (HPLC), from tomato
L9879 Lycopene ≥90%, from tomato
4400-M L-Lysine, Hydrochloride - CAS 657-27-2 - Calbiochem An essential amino acid.
443300 MCI-186 - CAS 89-25-8 - Calbiochem A free radical scavenger and antioxidant that reduces post-ischemic brain injury.
475870 MnTBAP - Calbiochem Cell-permeable superoxide dismutase (SOD) mimetic and peroxynitrite scavenger.
475872 MnTMPyP - Calbiochem Cell-permeable superoxide dismutase (SOD) mimetic.
475944 Myeloperoxidase Inhibitor-I - CAS 5351-17-7 - Calbiochem The Myeloperoxidase Inhibitor-I, also referenced under CAS 5351-17-7, controls the biological activity of Myeloperoxidase. This small molecule/inhibitor is primarily used for Inflammation/Immunology applications.
5.04908 Myeloperoxidase Inhibitor-II - Calbiochem
94419 Neochlorogenic acid from Lonicera japonica, ≥98.0% (HPLC)
O1008 Oleic acid ≥99% (GC)
R5010 Resveratrol ≥99% (HPLC)
R5143 Rutin hydrate ≥94% (HPLC), powder
S3132 Seleno-L-methionine ≥98% (TLC), powder
M6680 Se-(Methyl)selenocysteine hydrochloride ≥95% (TLC)
214485 Sodium selenite 99%
580553 (±)-Taxifolin hydrate An antioxidant flavonoid that scavenges superoxide (1.5 x 10⁵ M⁻¹ s⁻¹) and suppresses the cytotoxicity of superoxide and hydrogen peroxide in Chinese hamster V79 cells.
581500 TEMPOL - CAS 2226-96-2 - Calbiochem A stable, cell-permeable nitroxide that acts as a free radical scavenger and nitric oxide spin trap.
T3634 (+)-α-Tocopherol from vegetable oil, Type V, ~1000 IU/g
X6250 Xanthophyll from marigold