Quercetin usp

• Post Date:

  Aug 23,2014

• Expiry Date:

  Sep 06,2014

• Detailed Description:

  Cas No. :117-39-5 Quantity: 25Kilograms
  Specs:98.5%(UV);95%(HPLC)
  Price:28-58 USD Kilograms
  Payment Method: T/T;L/C
  

  ?

  Category: Pharmaceuticals?and? Biochemicals

  EC?NO: 204-187-1

  Molecular Weight: 302.23

  Specification: Quercetin?99%

  Source: Sophora?flavescens?Ait

  Packing: Packaging?Detail:?25kg/durm,?paper-drums?and?two?plastic-bags?inside?and?Can?be?customized.

  Test?Method:?

  1.HPLC(98.5%)

  2.UV(95%)

  Quercetin?Main?Function:

  1.Antioxidant?and?has?anti-inflammatory?activity,?protecting?cellular?structures?and?blood?vessels?from?

  the?damaging?effects?of?free?radicals.

  2.It?improves?blood?vessel?strength.?Quercetin?inhibits?the?activity?of

  ?catechol-methyltransferase?that?breaks?down?the?neurotransmitternorepinephrine.?

  It?also?means?quercetin?acts?as?anntihistamine?leading?to?relief?of?allergies?

  and?asthma.

  3.It?reduces?LDL?cholesterol?and?offers?protection?from?heart?disease.

  Storage:?Store?in?a?well-closed?container?away?from?moisture

  Shelf?Life:?2?years?if?sealed?and?store?away?from?direct?sun?light.

  Delivery?Detail:?Within?3?days?after?receiving

  Uses:Found?in?many?plants,?especially?the buckwheat?plant.?Identity?with?ilixanthin. Capillary?protectant quercetine,?sophretin,?meletin

  Main?Markets:

  North?America
  South?America
  Eastern?Europe
  Southeast?Asia
  Africa
  Oceania
  Mid?East
  Eastern?Asia
  Western?Europe
  Central?America
  Northern?Europe
  Southern?Europe
  South?Asia

• CAS Registry Number:

  117-39-5

• Synonyms:

  C.I. 75670;C.I. Natural Yellow 10;Quercetin;3,3,4,5,7-Pentahydroxyflavone (pract);2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one;3-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-chromen-4-one;

• Molecular Formula:

  C₁₅H₁₀O₆

• Molecular Weight:

  286.2363

• Molecular Structure:

  

• Hazard Symbols:

   T:Toxic;
  

• Risk Codes:

  R25:Toxic if swallowed.;
  R40:Possible risks of irreversible effects.;
  

• Safety Description:

  S28:After contact with skin, wash immediately with plenty of ...;
  S45:In case of accident of if you feel unwell, seek medical advice immediately (show the label where possible).;
  

• Company:

  Henan Yunkce Import and Export Trade Co.,LTD     [ China ]        

• Contact:

  YUNKCE

• Tel:

  0371-65623139

• Fax:

  0371-65623138

• Email:

  yunkce@yunkce.com