Questin

Suppliers

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

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

1-chloro-4,7-dihydroxy-5-methoxy-2-methylanthracene-9,10-dione
Emodin
methyl iodide

DownStream

(5-acetyloxy-4-methoxy-7-methyl-9,10-dioxoanthracen-2-yl) acetate
3,8-dihydroxy-1-methoxyanthracene-9,10-dione
1-hydroxy-6,8-dimethoxy-3-methylanthracene-9,10-dione

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%

Related Compounds

Diacetylquestin
(1-(1-methylpyrrolidin-3-yl)-1H-1,2,3-triazol-4-yl)methanamine
1-[4-(3-Chloro-2-pyridinyl)phenyl]ethanone
[(1-ethyl-1H-pyrazol-5-yl)methyl]({[1-(2-methylpropyl)-1H-pyrazol-5-yl]methyl})amine
5-Methyl-2,3,4,5,6,7-hexahydro-1H-pyrrolo[3,4-c]pyridine
(1-(1-methylazetidin-3-yl)-1H-1,2,3-triazol-4-yl)methanamine
(4-Amino-2-chlorophenyl)(pyridin-2-yl)methanol
(1-((1-methylpiperidin-4-yl)methyl)-1H-1,2,3-triazol-4-yl)methanamine
3',5-Dimethyl-1'-phenyl[4,4'-bi-1H-pyrazole]-3,5'(2H,2'H)-dione
(1-((1-methylpiperidin-3-yl)methyl)-1H-1,2,3-triazol-4-yl)methanamine
(1S)-1-[(1R)-3,3-Dimethylcyclohexyl]ethyl 2-(1-oxopropoxy)acetate

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