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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Methyl-15,16-Epoxy-9,12-Octadecadienoate
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Formula
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C19H32O3
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Exact Mass
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308.23514489
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Average Mass
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308.45558
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SMILES
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C(CC=CCC=CCCCCCCCC(=O)OC)(O1)C(CC)1
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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<<8084>>: m/e=308[M]; 279[CH-(O)-CHCH2CH=CHCH2CH=CH(CH2)7COOCH3]; 277[M -OCH3]; 251[279-28]; 71[CH3CH2CH-(O)-CH]; 43[71-28]; GC-EI-MS(after hydrogenation)(105): m/e=281[M-OCH3]; 255[CH-(O)-CH(CH2)13COOCH3-28]; 71[CH3CH2CH-(O)-CH]; 43[71-28]
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UV Spectra
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IR Spectra
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Cis unsaturation: 3002cm-1<<8081>>
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NMR Spectra
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1H-NMR<<8081>>: cis unsaturationS: 5.43ppm[4H]; cis epoxide ring:2.79 AND 2.98ppm[2H]
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Other Spectra
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Chromatograms
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