Metabolomics Structure Database

MDLMOL SDF CSV TSV

MW REGNO:	100
Common Name:	Angelic acid
Systematic Name:	2-methyl-2Z-butenoic acid
RefMet Name:	Angelic acid
Synonyms:	alpha-methyl isocrotonic acid [PubChem Synonyms]
Exact Mass:	100.0524 (neutral)    Calculate m/z: (Choose adduct) [M+H]+ [M+H-H2O]+ [M.]+ [M+2H]2+ [M+3H]3+ [M+4H]4+ [M+K]+ [M+2K]2+ [M-H+2K]+ [M+Na]+ [M+2Na]2+ [M-H+2Na]+ [M+Li]+ [M+2Li]2+ [M+NH4]+ [M-H]- [M-2H]2- [M-3H]3- [M-4H]4- [M+Cl]- [M+OAc]- [M+HCOO]- M(neutral)
Formula:	C5H8O2
InChIKey:	UIERETOOQGIECD-ARJAWSKDSA-N
LIPID MAPS Category:	Fatty Acyls [FA]
LIPID MAPS mainclass:	Fatty Acids and Conjugates [FA01]
LIPID MAPS subclass:	Branched fatty acids [FA0102]
SMILES:	C/C=C(/C)C(=O)O
Studies:	Available studies (via RefMet name)

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External database links:

PubChem CID:	643915
LIPID MAPS ID:	LMFA01020029
CHEBI ID:	36431
HMDB ID:	HMDB0029608
Chemspider ID:	559009

References

LIPID MAPS classification: "Update of the LIPID MAPS comprehensive classification system for lipids", Fahy E, Subramaniam S, Murphy RC, Nishijima M, Raetz CR, Shimizu T, Spener F, van Meer G, Wakelam MJ, and Dennis EA, J. Lipid Res. (2009) 50: S9-S14. DOI: 10.1194/jlr.R800095-JLR200
ClassyFire classification: "ClassyFire: automated chemical classification with a comprehensive, computable taxonomy", Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS, J. Cheminformatics (2016) 8:61. DOI: 10.1186/s13321-016-0174-y
NPClassifier classification: "NPClassifier: A Deep Neural Network-Based Structural Classification Tool for Natural Products", Kim HW, Wang M, Leber CA, Nothias LF, Reher R, Kang KB, van der Hooft JJJ, Dorrestein PC, Gerwick WH and Cottrell GW. J Nat Prod. 2021 Nov 26;84(11):2795-2807.DOI: 10.1021/acs.jnatprod.1c00399.