quinone

Pyrroloquinoline quinone disodium salt (Methoxatin disodium salt), an aromatic tricyclic o-quinone, is a redox cofactor for bacterial dehydrogenases. It is an efficient electron transfer catalyst from a number of organic substrates to molecular oxygen (O2), constructing quinoprotein model reactions.

Pyrroloquinoline quinone (PQQ), as a well-known redox enzyme cofactor, PQQ can protect NS PCs against glutamate toxicity associated with ROS-mediated mitochondrial pathway,

1-bromo-5-hydroxyanthra-9,10-quinone is a useful organic compound for research related to life sciences and the catalog number is T131407.

Coleon-U-quinone, a potent P-gp (P-glycoprotein) inhibitor, effectively reduces the viability of cancer cells and increases the sensitivity of multidrug-resistant cancer cells to Doxorubicin [1].

2,5-dimethoxycyclohexa-2,5-diene-1,4-dio (Thermophillin) is a natural product. The redox cycle of 2,5-dimethoxybenzoquinone is a source of reducing equivalent for the regeneration of Fe2+ and H2O2 in brown rot fungal decay of wood.

2-Hydroxy-1-methoxyanthraquinone (Alizarin 1-methyl ether) is a natural product isolated from Morinda lucida Benth. (Rubiaceae) with antibacterial activity.

2-tert-Butyl-1,4-benzoquinone (TBQ), an electrophilic metabolite of butylated hydroxyanisole (BHA), activates Nrf2 and S-arylates its negative regulator Keap1 in RAW264.7 cells.

Anthraquinone (Anthradione)s are the main active constituents in herbs often used to relieve constipation.

Menaquinone-4 (Vitamin K2) is a vitamin K compound used as a hemostatic agent, and also as adjunctive therapy for the pain of osteoporosis.

Tectoquinone exhibits strong mosquito larvicidal activity.

p-Benzoquinone is a superoxide scavenger. It is identified as a toxic metabolite in human blood.

Thymoquinone (NSC 2228) is a compound be found in herbs and spices with anti-inflammatory and anti-oxidant effects.

1-Hydroxyanthraquinone is an anthraquinone that has been found in Morinda officinalis and has genotoxic and carcinogenic activities. 1-Hydroxyanthraquinone generates strong DNA repair response.

Anthraquinone-2-carboxylic acid acts as a potent anti-inflammatory and antinociceptive component in vivo, thus contributing to the immune regulatory role of fruits and herbs.

2,5-Dihydroxy-1,4-benzoquinone is a natural product with antimicrobial activity that reduces trophic growth and inhibits spore germination in six fungal species across 12 different genera.

2,6-Dimethylbenzoquinone (2,6-Dimethylquinone) is a benzoquinone, a chemical compound found in Rauvolfia vomitoria and in Tibouchina pulchra.At physiological concentrations 2, 6-Dimethoxy-p-benzoquinone is an antibacterial substance

Cannabidiol hydroxyquinone (HU-331) is potentially an active metabolite of cannabidiol that could play a role in inducing apoptosis. It functions by inhibiting the ATPase activity of topoisomerase IIα through a noncompetitive mechanism.

6PPD-Q (6PPD-Quinone), a contaminant present in the environment and soil, is a derivative of the tire antioxidant N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine (6PPD), which impairs the quality of spermatozoa in mice and induces impaired male fertility.

CBGAQ, an analytical reference standard, is an oxidative quinone derivative of cannabigerolic acid (CBGA), designed for research and forensic applications.

Cannabidiol hydroxyquinone is a useful organic compound for research related to life sciences and the catalog number is T125974.

Rifamycin S is a potent DNA-dependent RNA polymerase inhibitor,is a quinone and an antibiotic agnet against Gram-positive bacteria

Tanshinone IIA (Tanshinone B) is a diterpene quinone natural product that targets the protein kinase domain of VEGF VEGFR2. Tanshinone IIA inhibits angiogenesis and exhibits anti-inflammatory, antioxidant, and therapeutic activities against coronary heart disease.

1,3,6-Trihydroxy-2-methyl-9,10-anthraquinone-3-O-(6'-O-acetyl)-beta-D-xylopyranosyl-(1->2)-beta-D-glucopyranoside (Compound 20), a quinone derivative, is isolated from the roots and rhizomes of Madder [1].

During hypoxia in rats, levels of α-tocopherylquinon have been found to rise. alpha-Tocopherolquinone (Metarene) is reported to downregulate the respiratory activity of mitochondria. alpha-Tocopherolquinone has also displayed antioxidant activities after it is reduced to tocopherylhydroquinone.

2-Hydroxy-3-(hydroxymethyl)anthraquinone exhibits quinone reductase (QR)- inducing activity in Hepa lclc7 cells, with the concentration required to double QR activity of 0.94 microM.

3-Hydroxyirisquinone, a quinone derivative, can be isolated from the seeds of Iris bungei Maxim [1].

3-Hydroxymethylenetanshinquinone is a useful organic compound for research related to life sciences and the catalog number is T124138.

Maesaquinone is a useful organic compound for research related to life sciences and the catalog number is T131463.

1-Methyl-2,8-dihydroxy-3-carboxy-9,10-anthraquinone is a natural product for research related to life sciences. The catalog number is TN6433 and the CAS number is 1401414-53-6.

12-Hydroxysapriparaquinone is a natural product from Salvia prionitis.

Ubiquinone-1 is an intermediate for coenzyme Q synthesis.

Thymohydroquinone (Thymoquinol) is a monoterpenoid phenolic compound found in thyme, oregano, and other plants in the labiaceae family. Thymohydroquinone inhibits cancer cell growth, reduces oxidative stress and modulates inflammatory responses, scoured 2, 2-diphenyl-1-PicrylHydrazyl radicals in a cell-free assay (IC50 = 2.4 μg ml), In the oxygen radical absorption capacity (ORAC) test at concentrations of 1.6 to 6.4 μg ml, Its Trolox value was 2.6. Thymus hydroquinone inhibited the growth of A2780, OVCAR-8 and CIS-A2780 ovarian cancer cells (IC50 were 3.1, 8.9 and 9.8 μM, respectively) and human ovarian immortalized epithelial cells (IC50 = 14 μM). It also inhibited Plasmodium falciparum in vitro (IC50 = 15.9 μM).

2-(Hydroxymethyl)anthraquinone exhibits strong activity against Helicobacter pylori ATCC 43504 at 0.01 mg disc.

3-Oxosapriparaquinone is a natural product from Salvia prionitis.

Triptoquinone B is a novel interleukin-1 inhibitor, shows extremely potent inhibitory activities against interleukin-lα and β releases for human peripheral mononticlear cells, it shows the significant immunosuppressive activity.

Taxoquinone has strong antibacterial effect, it could be used as a promising antibacterial agent in food industry to inhibit the growth of certain important foodborne pathogens. It (100 ug/disc) displays potential anticandidal effect against Candia albica

2-Carbamoyl-3-hydroxy-1,4-naphthoquinone is a natural product for research related to life sciences. The catalog number is TN5790 and the CAS number is 103646-20-4.

1,6,8-Trihydroxy-2,7-dimethoxy-3-methylanthraquinone is a useful organic compound for research related to life sciences and the catalog number is T125250.

Toddacoumaquinone is a useful organic compound for research related to life sciences and the catalog number is T125878.

3,8-Dihydroxy-1-methylanthraquinone-2-carboxylic a is a useful organic compound for research related to life sciences. The catalog number is T124380 and the CAS number is 69119-31-9.

Leiocarpaquinone is a bioactive chemical from root of Uentilago leiocarpa Benth. (Rhamnaceae).

2-Prenylhydroquinone-1-glucoside is a useful organic compound for research related to life sciences and the catalog number is T131092.

4-Hydroxysapriparaquinone Compound isolated from the roots of Salvia prionitis Hance. with potential anticancer activity.

Tetrachlorohydroquinone dimethyl ether is a useful organic compound for research related to life sciences and the catalog number is T123888.

2,6-Dimethylhydroquinone (2,6-DMHQ), an endogenous metabolite, consists of a benzene ring substituted with two hydroxyl (OH) groups located at positions 1 and 4, along with two methyl (CH3) groups at positions 2 and 6. [2,6-dimethylbenzene-1,4-diol]

2-Amino-3-carboxy-1,4-naphthoquinone is an electron transfer mediator that can alter glucose metabolism in homofermentative lactic acid bacteria. It also serves as a novel growth stimulator for bifidobacteria, influencing their end-product profile through the mediated oxidation of NAD(P)H.

Methylenetanshinquinone shows antiplasmodial and antitrypanosomal activity, it is active against both Trypanosoma brucei rhodesiense and Plasmodium falciparum.

2,6-Dimethoxyquinone is a plant derived liposuction inducing factor. It has antilipemic, anticancer, antibacterial, antimalarial and anti-inflammatory properties.

Rosmaquinone is a useful organic compound for research related to life sciences and the catalog number is T126198.

2-Hydroxyanthraquinone is an anthraquinone that has been found inSpermacoce latifoliaand has antibacterial and estrogenic activities.1,2It is active againstB. subtilisandB. cereus(MICs = 1.9 and 62.5 μg/ml, respectively).12-Hydroxyanthraquinone (19 μM) induces estrogen receptor α (ERα) activation in a yeast two-hybrid assay.2 1.Luo, Y., Shen, H.-Y., Shen, Q.-X., et al.A new anthraquinone and a new naphthoquinone from the whole plant of Spermacoce latifoliJ. Asian Nat. Prod. Res.19(9)869-876(2017) 2.Kurihara, R., Shiraishi, F., Tanaka, N., et al.Presence and estrogenicity of anthracene derivatives in coastal Japanese watersEnviron. Toxicol. Chem.24(8)1984-1993(2005)