Flavoxanthin

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Flavoxanthin[1]
IUPAC name	(2R,6S,7aR)-2- [(1E,3E,5E,7E,9E,11E,13E,15E)- 16-[(1R,4R)-4-Hydroxy- 2,6,6-trimethyl-1-cyclohex- 2-enyl]-1,5,10,14- tetramethylhexadeca- 1,3,5,7,9,11,13,15- octaenyl]-4,4,7a-trimethyl-2,5,6,7- tetrahydrobenzofuran-6-ol
Other names	•5,8-Epoxy-5,8-dihydro-γ -carotene-3,3'-diol •all-trans-Flavoxanthin •E161a
Identifiers
CAS number	[512-29-8]
PubChem	5281238
SMILES	CC1=C[C@@H](CC([C@H] 1\C=C\C(=C\C=C\C (=C\C=C\C=C(/C)\C= C\C=C(/C)\[C@H]2C=C3C (C[C@@H](C[C@]3(O2)C)O) (C)C)\C)\C)(C)C)O
Properties
Molecular formula	C40H56O3
Molar mass	584.87 g/mol
Appearance	Yellow solid
Melting point	184 °C
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox references

Flavoxanthin is a natural xanthophyll pigment with a golden-yellow color found in small quantities in a variety of plants. As a food additive it used under the E number E161a as a food coloring.

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