quinone

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.

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

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.

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].

Pyrroloquinoline quinone (Standard) is the standard substance of Pyrroloquinoline quinone, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Pyrroloquinoline quinone (PQQ), as a well-known redox enzyme cofactor, PQQ can protect NS/PCs against glutamate toxicity associated with ROS-mediated mitochondrial pathway,

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)

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.

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

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

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.

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

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

Tectoquinone exhibits strong mosquito larvicidal 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.

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.

2,3-Dimethylhydroquinone exhibits inhibitory activity against cancer cells such as MDA-MB-231, HT-29, HT-1080, and HL-60 with an IC50 of 1.6–6.5 μM, and demonstrates antifungal activity against Candida krusei Berkouet.

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

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

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].

Haloquinone is a quinone antibiotic that exhibits significant antibacterial activity against halophilic bacteria and is also effective against Gram-positive bacteria and mycoplasma.

4-Methoxy-p-toluquinone is an antibiotic in the quinone class with antibacterial, antimycobacterial, and antifungal properties, although it is less effective against Gram-negative bacteria. Its activity is inactivated by serum.

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.

Przewaquinone C is a useful organic compound for research related to life sciences and the catalog number is T123839.