ζ-Carotene

Names
IUPAC name 7,7′,8,8′-Tetrahydro-ψ,ψ-carotene
Systematic IUPAC name (6E,10E,12E,14E,16E,18E,20E,22E,26E)-2,6,10,14,19,23,27,31-Octamethyldotriaconta-2,6,10,12,14,16,18,20,22,26,30-undecaene
Identifiers
CAS Number	72746-33-9 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:28068
ChemSpider	4444346
PubChem CID	5280788
UNII	341QZ5N3E6 Y
CompTox Dashboard (EPA)	DTXSID701318417
InChI InChI=1S/C40H60/c1-33(2)19-13-23-37(7)27-17-31-39(9)29-15-25-35(5)21-11-12-22-36(6)26-16-30-40(10)32-18-28-38(8)24-14-20-34(3)4/h11-12,15-16,19-22,25-30H,13-14,17-18,23-24,31-32H2,1-10H3/b12-11+,25-15+,26-16+,35-21+,36-22+,37-27+,38-28+,39-29+,40-30+ Key: BIWLELKAFXRPDE-WTXAYMOSSA-N InChI=1/C40H60/c1-33(2)19-13-23-37(7)27-17-31-39(9)29-15-25-35(5)21-11-12-22-36(6)26-16-30-40(10)32-18-28-38(8)24-14-20-34(3)4/h11-12,15-16,19-22,25-30H,13-14,17-18,23-24,31-32H2,1-10H3/b12-11+,25-15+,26-16+,35-21+,36-22+,37-27+,38-28+,39-29+,40-30+ Key: BIWLELKAFXRPDE-WTXAYMOSBK
SMILES C(=C/C=C/C(=C/C=C/C=C(/C=C/C=C(\C)CC\C=C(/C)CC\C=C(/C)C)C)C)(\CC/C=C(/CC/C=C(\C)C)C)C
Properties
Chemical formula	C40H60
Molar mass	540.920 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

ζ-Carotene (zeta-carotene) is a carotenoid. It is different from α-carotene and β-carotene because it is acyclic.^[1] ζ-Carotene is similar in structure to lycopene, but has an additional 4 hydrogen atoms. ζ-carotene can be used as an intermediate in forming β-carotene.^[2] A dehydrogenation reaction converts ζ-carotene into lycopene, which then can be transformed into β-carotene through the action of lycopene beta-cyclase.^[3][4] ζ-Carotene is a natural product found in Lonicera japonica and Rhodospirillum rubrum.