Questin

Names

[ Name ]:
Questin

[Synonym ]:
1,6-dihydroxy-8-methoxy-3-methylanthraquinone
Emodin-8-methyl ether
1-methylemodin
1,6-dihydroxy-8-methoxy-3-methylanthracene-9,10-dione
8-O-methylemodin
1-O-methylemodin
Questin
9,10-Anthracenedione,1,6-dihydroxy-8-methoxy-3-methyl
<U-14C>Questin

Biological Activity

[Description]:

Questin is an antibacterial agent isolated from marine Aspergillus flavipes. 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[1].

[Related Catalog]:

Research Areas >> Infection

Signaling Pathways >> Anti-infection >> Bacterial

[References]

[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.

Chemical & Physical Properties

[ Density]:
1.448g/cm3

[ Boiling Point ]:
557ºC at 760mmHg

[ Molecular Formula ]:
C₁₆H₁₂O₅

[ Molecular Weight ]:
284.26300

[ Flash Point ]:
213.9ºC

[ Exact Mass ]:
284.06800

[ PSA ]:
83.83000

[ LogP ]:
2.19020

[ Index of Refraction ]:
1.677

Safety Information

[ HS Code ]:
2914690090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2914690090

[ Summary ]:
2914690090 other quinones。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%