Dehydroretinal

Dehydroretinal

Names
Other names 3,4–didehydroretinal acetate
Identifiers
CAS Number	472-87-7
3D model (JSmol)	Interactive image
ChemSpider	4444397
ECHA InfoCard	100.006.781
MeSH	Dehydroretinal
PubChem CID	5280866
InChI InChI=1/C20H26O/c1-16(8-6-9-17(2)13-15-21)11-12-19-18(3)10-7-14-20(19,4)5/h6-13,15H,14H2,1-5H3/b9-6+,12-11+,16-8+,17-13+ Key: QHNVWXUULMZJKD-OVSJKPMPBA
SMILES O=C\C=C(\C=C\C=C(\C=C\C1=C(\C=C/CC1(C)C)C)C)C
Properties
Chemical formula	C20H26O
Molar mass	282.42 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Dehydroretinal is a derivative (metabolite) of retinal. Known as vitamin A₂, it is found in fish liver oils. The liver of freshwater fishes, and some fish found in India, contain a higher ratio of dehydroretinal to retinal than do other breeds.