Structural Formula Vector Image
Title: Oxenin
CAS Registry Number: 3230-75-9
CAS Name: 11,12-Didehydro-7,10-dihydro-10-hydroxyretinol
Additional Names: 3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)nona-2,7-dien-4-yne-1,6-diol
Molecular Formula: C20H30O2
Molecular Weight: 302.45
Percent Composition: C 79.42%, H 10.00%, O 10.58%
Literature References: Intermediate in the vitamin A synthesis. Prepn: Isler et al., Helv. Chim. Acta 30, 1911 (1947); Isler, US 2451739 (1948 to Hoffmann-La Roche); Kardys, US 3046310 (1962 to Pfizer).
Properties: Very viscous yellow oil. d427 0.9984; nD22 1.5344. Has been crystallized, mp 58.5-59°.
Melting point: mp 58.5-59°
Index of refraction: nD22 1.5344
Density: d427 0.9984

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