Questin

Questin is an anthraquinone compound and antibacterial agent. Questin can be isolated from marine-derived fungi and plants. Questin inhibits Cdc25B phosphatase. Questin exhibits antibacterial activity against V. harveyi, V. anguillarum, V. cholerae, and V. parahemolyticus with MIC values of 31.25 µg/mL, 62.5 µg/mL, 62.5 µg/mL, and 125 µg/mL. Questin displays antiprotozoal activity against the animal protozoan pathogen Tritrichomonas foetus, with a MIC of 12.5 µg/mL. Questin has anticancer activity against lung and colon cancer .


Cat. No.: EX-A16398	Purity: >98%

	Chemical structure of Questin

For research only, Do not use for Human!

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CAS No.	3774-64-9
Purity	>98%
Formula	C16H12O5
Mol Weight	284.2635
Color	Yellow to orange
State	Solid
Shelf Life	>3 years if stored properly
Storage	Powder 4°C, protect from light; In solvent -20℃ 1 month;
Shipping	Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Reference:	[1].Lei Guo, et al. Optimized production and isolation of antibacterial agent from marine Aspergillus flavipes against Vibrio harveyi. 3 Biotech. 2017 Dec;7(6):383. [2].Choi SG, et al. Anthraquinones, Cdc25B phosphatase inhibitors, isolated from the roots of Polygonum multiflorum Thunb. Nat Prod Res. 2007 May 20;21(6):487-93. [3]. Gauthier T, et al. Trypacidin, a spore-borne toxin from Aspergillus fumigatus, is cytotoxic to lung cells. PLoS One. 2012;7(2):e29906. [4].Liu N, et al. Structurally diverse sesquiterpenoids and polyketides from a sponge-associated fungus Aspergillus sydowii SCSIO41301. Fitoterapia. 2019 Jun;135:27-32. [5].Chaudhary NK, et al. Banksialactones and Banksiamarins: Isochromanones and Isocoumarins from an Australian Fungus, Aspergillus banksianus. J Nat Prod. 2018 Jul 27;81(7):1517-1526.
CoA	CoA of Questin

Smiles:	O=C1C=2C=C(O)C=C(OC)C2C(=O)C3=C(O)C=C(C=C13)C


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