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Cer 21:1;2O/18:1;O(FA 16:0)
SpectraBase Compound ID 5BvYTm0zO1E
InChI InChI=1S/C55H105NO5/c1-3-5-7-9-11-13-15-17-18-20-24-27-31-35-39-43-47-53(58)52(51-57)56-54(59)48-44-40-36-32-28-25-21-19-22-26-30-34-38-42-46-50-61-55(60)49-45-41-37-33-29-23-16-14-12-10-8-6-4-2/h22,26,43,47,52-53,57-58H,3-21,23-25,27-42,44-46,48-51H2,1-2H3,(H,56,59)/b26-22-,47-43+
InChIKey OUYBOTNYKDFVIV-SYZXGLPGNA-N
Mol Weight 860.4 g/mol
Molecular Formula C55H105NO5
Exact Mass 859.799275 g/mol

Mass Spectrum (LC)

Mass Spectrum (LC)

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SpectraBase Spectrum ID 7BfgSA9h9G8
Name Cer 21:1;2O/18:1;O(FA 16:0)
Classification Sphingolipids [SP]
Comments Ceramide Esterified omega-hydroxy fatty acid-sphingosine
Copyright Copyright © 2025 John Wiley & Sons, Inc. All Rights Reserved.
Exact Mass 859.799275480 u
Formula C55H105NO5
InChI InChI=1S/C55H105NO5/c1-3-5-7-9-11-13-15-17-18-20-24-27-31-35-39-43-47-53(58)52(51-57)56-54(59)48-44-40-36-32-28-25-21-19-22-26-30-34-38-42-46-50-61-55(60)49-45-41-37-33-29-23-16-14-12-10-8-6-4-2/h22,26,43,47,52-53,57-58H,3-21,23-25,27-42,44-46,48-51H2,1-2H3,(H,56,59)/b26-22-,47-43+
InChIKey OUYBOTNYKDFVIV-SYZXGLPGNA-N
Ion Polarity N
Literature Reference Tsugawa, H.; Ikeda, K.; Takahashi, M.; Satoh, A.; Mori, Y.; Uchino, H.; Okahashi, N.; Yamada, Y.; Tada, I.; Bonini, P.; Higashi, Y.; Okazaki, Y.; Zhou, Z.; Zhu, Z.-J.; Koelmel, J.; Cajka, T.; Fiehn, O.; Saito, K.; Arita, M.; Arita, M. A Lipidome Atlas in MS-DIAL 4. Nature Biotechnology 2020, 38 (10), 1159–1163.
Literature Reference DOI https://doi.org/10.1038/s41587-020-0531-2
Precursor Ion [M-H]-
SMILES CCCCCCCCCCCCCCCC\C=C\C(O)C(CO)NC(=O)CCCCCCCCC\C=C/CCCCCCOC(=O)CCCCCCCCCCCCCCC
Sample Comments theoretical MS2 created from the information of SCIEX 5600 and 6600 with 45CE +-15CES