GlcNAca/b1-3Xyla-4Galb1-3GalNAca1-4(NeuAc?1-2NeuGc4Mea1-3)GalNAcb1-4(EtnP-6)GlcNAcb1-3Manb1-4Glcb1-1Cer
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Structural Information
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13-Hydroxy-9,12-Dimethoxy-10-Octadecenoic Acid
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Formula
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C20H38O5
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Exact Mass
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358.271924326
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Average Mass
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358.51272
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SMILES
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C(C(OC)C=CC(OC)CCCCCCCC(O)=O)(O)CCCCC
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Physicochemical Information
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Spectral Information
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Mass Spectra
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GC-EI-MS(after methanolysis and trimethylsilylation)
Gardner et al.: m/e=173[SMTO=CH(CH2)4CH3](standard peak), 240[M-173-OCH3]
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UV Spectra
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IR Spectra
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Methyl ester(CS2)
Gardner et al.: trans olefin(975cm-1), OH(3570 and 3460cm-1)
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NMR Spectra
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1H-NMR(methyl ester; CDCl3,300MHz)
Gardner et al.: C9(3.54-3.55ppm), C10(5.49-5.56ppm), C11(5.40-5.58ppm), C12(3.35-3.52ppm), C13(3.46-3.71ppm), C12OCH3(3.28-3.31ppm), C9OCH3(3.25-3.27ppm), J10-11=15.7Hz(trans unsaturation)
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Other Spectra
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Chromatograms
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