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FAHFA 21:2/22:1
SpectraBase Compound ID 17Y4RiM3UW2
InChI InChI=1S/C43H78O4/c1-3-5-7-9-11-13-15-16-17-18-19-20-21-23-25-27-32-36-40-43(46)47-41(38-34-30-28-31-35-39-42(44)45)37-33-29-26-24-22-14-12-10-8-6-4-2/h13,15,17-18,24,26,41H,3-12,14,16,19-23,25,27-40H2,1-2H3,(H,44,45)/b15-13-,18-17-,26-24-
InChIKey UHGXBKJKWOYPQH-CSJOWCBCNA-N
Mol Weight 659.1 g/mol
Molecular Formula C43H78O4
Exact Mass 658.590011 g/mol

Mass Spectrum (LC)

Mass Spectrum (LC)

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SpectraBase Spectrum ID C9CcOAqk12O
Name FAHFA 21:2/22:1
Classification Fatty acyls [FA]
Comments Fatty acid ester of hydroxyl fatty acid
Copyright Copyright © 2025 John Wiley & Sons, Inc. All Rights Reserved.
Exact Mass 658.590010988 u
Formula C43H78O4
InChI InChI=1S/C43H78O4/c1-3-5-7-9-11-13-15-16-17-18-19-20-21-23-25-27-32-36-40-43(46)47-41(38-34-30-28-31-35-39-42(44)45)37-33-29-26-24-22-14-12-10-8-6-4-2/h13,15,17-18,24,26,41H,3-12,14,16,19-23,25,27-40H2,1-2H3,(H,44,45)/b15-13-,18-17-,26-24-
InChIKey UHGXBKJKWOYPQH-CSJOWCBCNA-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 CCCCCCCC\C=C/CCCC(CCCCCCCC(O)=O)OC(=O)CCCCCCCCC\C=C/C\C=C/CCCCCC
Sample Comments theoretical MS2 created from the information of SCIEX 5600 and 6600 with 45CE +-15CES