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Antioxidants & Carotenoids

Quercetin

Quercetin is a antioxidant or carotenoid compound we manufacture in 5 distinct forms, including 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-4h-chromen-4-one dihydrate, 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-4h-chromen-4-one, 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4h-chromen-4-one. Each form is supplied to a defined specification with its own chemical identity. Choose a form and dosage format, or ask us to recommend one for your brief.

Forms of Quercetin

Each form is a distinct chemical with its own identity, elemental content and specification. Select one for its full datasheet.

Quercetin dihydrate

2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one dihydrate

CAS
6151-25-3
Formula
C15H14O9
  • Vegan
  • Gluten-free
  • Non-GMO
  • Pescatarian
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Quercetin anhydrous

2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one

CAS
117-39-5
Formula
C15H10O7
  • Vegan
  • Gluten-free
  • Non-GMO
  • Pescatarian
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Isoquercetin (isoquercitrin)

2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4H-chromen-4-one

CAS
482-35-9
Formula
C21H20O12
  • Vegan
  • Gluten-free
  • Non-GMO
  • Pescatarian
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Enzymatically modified isoquercitrin (EMIQ)

alpha-oligoglucosyl quercetin-3-O-glucoside (mixture of isoquercitrin and its alpha-1,4-glucosyl homologues)

  • Vegan
  • Gluten-free
  • Pescatarian
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Quercetin phytosome (Quercefit)

quercetin - sunflower phospholipid (phosphatidylcholine) complex

  • Vegan
  • Gluten-free
  • Non-GMO
  • Pescatarian
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