For citations & permissions, please see: Citations & Permissions - Wiley Science Solutions*

*Links on SpectraBase are not permalinks.
PE-Cer 21:2;2O/22:2;O
SpectraBase Compound ID 6MbpatPLtOh
InChI InChI=1S/C45H85N2O7P/c1-3-5-7-9-11-13-15-17-19-21-22-24-26-28-30-32-34-36-42(48)40-45(50)47-43(41-54-55(51,52)53-39-38-46)44(49)37-35-33-31-29-27-25-23-20-18-16-14-12-10-8-6-4-2/h11,13,15,17,27,29,35,37,42-44,48-49H,3-10,12,14,16,18-26,28,30-34,36,38-41,46H2,1-2H3,(H,47,50)(H,51,52)/b13-11-,17-15-,29-27+,37-35+
InChIKey WAAQURKVPOZQMY-HAPORWMKNA-N
Mol Weight 797.2 g/mol
Molecular Formula C45H85N2O7P
Exact Mass 796.60944 g/mol

Mass Spectrum (LC)

Mass Spectrum (LC)

View the Full Spectrum for FREE!

The full spectrum can only be viewed using a FREE account.

SpectraBase Spectrum ID A64H9EsRKMC
Name PE-Cer 21:2;2O/22:2;O
Classification Sphingolipids [SP]
Comments Ceramide phosphoethanolamine
Copyright Copyright © 2025 John Wiley & Sons, Inc. All Rights Reserved.
Exact Mass 796.609440076 u
Formula C45H85N2O7P
InChI InChI=1S/C45H85N2O7P/c1-3-5-7-9-11-13-15-17-19-21-22-24-26-28-30-32-34-36-42(48)40-45(50)47-43(41-54-55(51,52)53-39-38-46)44(49)37-35-33-31-29-27-25-23-20-18-16-14-12-10-8-6-4-2/h11,13,15,17,27,29,35,37,42-44,48-49H,3-10,12,14,16,18-26,28,30-34,36,38-41,46H2,1-2H3,(H,47,50)(H,51,52)/b13-11-,17-15-,29-27+,37-35+
InChIKey WAAQURKVPOZQMY-HAPORWMKNA-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 CCCCCCCCCCCC\C=C\CC\C=C\C(O)C(COP(O)(=O)OCCN)NC(=O)CC(O)CCCCCCCCCC\C=C/C=C\CCCCC
Sample Comments theoretical MS2 created from the information of SCIEX 5600 and 6600 with 45CE +-15CES