delta-Carotene

δ-Carotene

Identifiers
CAS Number	472-92-4
ChemSpider	4444642
Jmol interactive 3D	Image
PubChem	5281230
InChI InChI=1S/C40H56/c1-32(2)18-13-21-35(5)24-15-26-36(6)25-14-22-33(3)19-11- 12-20-34(4)23-16-27-37(7)29-30-39-38(8)28-17-31-40(39,9)10/h11-12,14-16, 18-20,22-30,39H,13,17,21,31H2,1-10H3/b12-11+,22-14+,23-16+,26-15+, 30-29+,33-19+,34-20+,35-24+,36-25+,37-27+/t39-/m0/s1 Key: WGIYGODPCLMGQH-GOXCNPTKSA-N
SMILES CC1=CCCC(C1C=CC(=CC=CC(=CC=CC=C(C)C=CC=C(C)C=CC=C(C)CCC=C(C)C)C)C)(C)C
Properties
Chemical formula	C40H56
Molar mass	536.873
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

δ-Carotene or ε,ψ-carotene is a form of carotene with an ε-ring at one end, and the other uncyclized. It is an intermediate synthesis product in some photosynthetic plants between lycopene and α-carotene (β,ε-carotene) or ε-carotene (ε,ε-carotene).^[1] δ-Carotene is fat soluble.

References

1. Cunningham FX, Gantt E (February 2001). "One ring or two? Determination of ring number in carotenoids by lycopene epsilon-cyclases". Proceedings of the National Academy of Sciences of the United States of America 98 (5): 2905–10. doi:10.1073/pnas.051618398. PMC 30238. PMID 11226339.