US Customs Ruling (CROSS)
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Issuing Country : UNITED STATES
Date Of Issue : 2002-05-20T00:00:00
Quercetin
Request for Binding Ruling on Quercetin. Quercetin has the chemical name 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-1-benzopyran-4-one; 3,3',4',5,7-pentahydroxyflavone and the chemical formula C15H10O7. Merck Index, 12th Edition (Merck & Co., Inc.). The CAS registry number for Quercetin is 117-39-5. Quercetin is the chemical formed from the acid hydrolysis of Rutin, a glycoside commonly found in vegetable raw materials. When Rutin undergoes a hydrolysis reaction with sulphuric acid, the resultant hydrolytic chemical products are a sugar, comprised of glucose and rhamnose, and a non-sugar “aglycone” which is quercetin. Quercetin is imported in bulk as a yellow powder.
Description : Quercetin
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Source : US Customs Ruling (CROSS)
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