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FAHFA 21:2/21:1
SpectraBase Compound ID KoHmkUHGUdD
InChI InChI=1S/C42H76O4/c1-3-5-7-9-11-13-14-15-16-17-18-19-20-21-23-25-31-35-39-42(45)46-40(36-32-28-24-22-12-10-8-6-4-2)37-33-29-26-27-30-34-38-41(43)44/h13-14,16-17,32,36,40H,3-12,15,18-31,33-35,37-39H2,1-2H3,(H,43,44)/b14-13-,17-16-,36-32-
InChIKey UOPQQYRUAYHVOX-NHHQPIIINA-N
Mol Weight 645.1 g/mol
Molecular Formula C42H76O4
Exact Mass 644.574361 g/mol

Mass Spectrum (LC)

Mass Spectrum (LC)

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SpectraBase Spectrum ID 7XAzB207LSC
Name FAHFA 21:2/21:1
Classification Fatty acyls [FA]
Comments Fatty acid ester of hydroxyl fatty acid
Copyright Copyright © 2025 John Wiley & Sons, Inc. All Rights Reserved.
Exact Mass 644.574360923 u
Formula C42H76O4
InChI InChI=1S/C42H76O4/c1-3-5-7-9-11-13-14-15-16-17-18-19-20-21-23-25-31-35-39-42(45)46-40(36-32-28-24-22-12-10-8-6-4-2)37-33-29-26-27-30-34-38-41(43)44/h13-14,16-17,32,36,40H,3-12,15,18-31,33-35,37-39H2,1-2H3,(H,43,44)/b14-13-,17-16-,36-32-
InChIKey UOPQQYRUAYHVOX-NHHQPIIINA-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 CCCCCCCCC\C=C/C(CCCCCCCCC(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