Rubixanthin

Rubixanthin^[1]
Names
	IUPAC name (3R)-β,ψ-Caroten-3-ol
	Systematic IUPAC name (1R)-4--3,5,5-trimethylcyclohex-3-en-1-ol
	Other names Natural yellow 27; E161d;
Identifiers
CAS Number	3763-55-1 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:8907 ;
ChemSpider	4444664 ;
ECHA InfoCard	100.292.282
E number	E161d (colours)
PubChem CID	5281252;
UNII	0PWJ89032Q ;
	InChI InChI=1S/C40H56O/c1-31(2)17-13-20-34(5)23-15-25-35(6)24-14-21-32(3)18-11-12-19-33(4)22-16-26-36(7)27-28-39-37(8)29-38(41)30-40(39,9)10/h11-12,14-19,21-28,38,41H,13,20,29-30H2,1-10H3/b12-11+,21-14+,22-16+,25-15+,28-27+,32-18+,33-19+,34-23+,35-24+,36-26+/t38-/m1/s1 Key: ABTRFGSPYXCGMR-AXXBKCDFSA-N ;
	SMILES CC1=C(C(C(C1)O)(C)C)\C=C\C(=C\C=C\C(=C\C=C\C=C(/C)\C=C\C=C(/C)\C=C\C=C(/C)\CCC=C(C)C)\C)\C;
Properties
Chemical formula	C40H56O
Molar mass	552.85 g/mol
Appearance	Red-orange crystals
Melting point	160 °C (320 °F; 433 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). verify (what is ?) Infobox references

Rubixanthin, or natural yellow 27, is a natural xanthophyll pigment with a red-orange color found in rose hips. As a food additive it used under the E number E161d as a food coloring; it is not approved for use in the USA^{[citation needed]} or EU^[2] but is approved in Australia and New Zealand^[3] where it is listed as 161d.

References

^ Merck Index, 11th Edition, 8265.
^ UK Food Standards Agency: "Current EU approved additives and their E Numbers". Retrieved 2011-10-27.
^ Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". Retrieved 2011-10-27.

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[1] Merck Index, 11th Edition, 8265.

[2] UK Food Standards Agency: "Current EU approved additives and their E Numbers". Retrieved 2011-10-27.

[3] Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". Retrieved 2011-10-27.

[1]

[2]

[3]

v t e Carotenoids
Carotenes (C₄₀)	α-Carotene β-Carotene γ-Carotene δ-Carotene ε-Carotene ζ-Carotene Lycopene Neurosporene Phytoene Phytofluene Torulene Lycopersene
Xanthophylls (C₄₀)	Antheraxanthin Astaxanthin Canthaxanthin Citranaxanthin Cryptoxanthin Diadinoxanthin Diatoxanthin Dinoxanthin Echinenone Flavoxanthin Fucoxanthin Lutein Neoxanthin Rhodoxanthin Rubixanthin Violaxanthin Zeaxanthin Zeinoxanthin
Apocarotenoids (C_<40)	Abscisic acid Apocarotenal Bixin Crocetin Food orange 7 Ionones Peridinin
Vitamin A retinoids (C₂₀)	Retinal Retinoic acid Retinol
Retinoid drugs	Acitretin Alitretinoin Bexarotene Etretinate Fenretinide Isotretinoin Tazarotene Temarotene Tretinoin Zuretinol acetate

Names


IUPAC name (3R)-β,ψ-Caroten-3-ol
Systematic IUPAC name (1R)-4--3,5,5-trimethylcyclohex-3-en-1-ol
Other names Natural yellow 27 E161d
Identifiers
CAS Number	3763-55-1^Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:8907^N
ChemSpider	4444664^N
ECHA InfoCard	100.292.282
E number	E161d (colours)
PubChem CID	5281252
UNII	0PWJ89032Q^Y
InChI InChI=1S/C40H56O/c1-31(2)17-13-20-34(5)23-15-25-35(6)24-14-21-32(3)18-11-12-19-33(4)22-16-26-36(7)27-28-39-37(8)29-38(41)30-40(39,9)10/h11-12,14-19,21-28,38,41H,13,20,29-30H2,1-10H3/b12-11+,21-14+,22-16+,25-15+,28-27+,32-18+,33-19+,34-23+,35-24+,36-26+/t38-/m1/s1^N Key: ABTRFGSPYXCGMR-AXXBKCDFSA-N^N
SMILES CC1=C(C(C(C1)O)(C)C)\C=C\C(=C\C=C\C(=C\C=C\C=C(/C)\C=C\C=C(/C)\C=C\C=C(/C)\CCC=C(C)C)\C)\C
Properties
Chemical formula	C₄₀H₅₆O
Molar mass	552.85 g/mol
Appearance	Red-orange crystals
Melting point	160 °C (320 °F; 433 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). N verify (what is ^YN ?) Infobox references