LBF18207OX01

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Upper classes



LBF18207OX01.png
Structural Information
Systematic Name 13-Oxo-9,11-Octadecadienoic Acid/13-Oxo-9,11-Octadecadienoate
Common Name
Symbol
Formula C18H30O3
Exact Mass 294.21949482599996
Average Mass 294.429
SMILES CCCCCC(=O)C=CC=CCCCCCCCC(O)=O
Physicochemical Information
Melting Point
Boiling Point
Density
Optical Rotation
Reflactive Index
Solubility
Spectral Information
Mass Spectra GC-EI-MS(after methanolysis and trimethylsilylation)<<8014/8071/8012/8069>>: m/e=308[M], 277[M-OCH3], 252[M-CH2=C H-CH2CH3], 237[M-(CH2)4CH3], 209[M-C(O)(CH2)4CH3], 151[M-(CH2)7COOCH3], GC-EI-MS(TMS)<<8013>>: m/e=366[M], 341[M-CH3], 295[M-(CH2)4CH3], 276[M-HOTMS], 166[M-(CH2)6C(=O)OTMS]; REARRA
UV Spectra lMeOH/max=277-278nm(e=20300)<<8013/8059/8056>>(038/078/075), l EtOH /max=278nm<<8013>>, lmax=267nm(cyclohexane)<<8071>>, DNP hydrazone: lCHCl3/max=388, 304, 265nm<<8075>>
IR Spectra Trans, trans unsaturations(strong absorption at 1000-990cm-1), cis, trans unsaturations(960-955cm-1), unsaturated ketone(1695-1600cm-1)<<8013/8059/8056/8071>>
NMR Spectra 1H-NMR<<8013/8071>>: C8(2.20-2.23ppm), C9, 10, 12(6.06-6.21ppm), C11(7.02-7.51ppm) C14(2.54ppm)
Chromatograms




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