Search the Metabolomics Workbench Metabolite database with a list of precursor ions

Ion adducts (choose at least one with appropriate polarity)
Positive mode:
[M+H]+ [M+H-H2O]+ [M+Na]+ [M+NH4]+ [M+K]+ [M+2H]2+ [M+2Na]2+ [M+2Na-H]+
[M+H-EtnP]+ [M+H-SerP]+ [M+H-Hexose]+

Negative mode:
[M-H]- [M+Cl]- [M+HCOO]- [M+OAc]- [M-CH3]- [M+Na-2H]- [M+K-2H]-
[M-2H]2- [M-3H]3- [M-H-Ser]-

Neutral:
Neutral

Sort by:
Mass Tolerance (+/- m/z):

List of precursor ions :
Or upload a peaklist file


Search the Metabolomics Workbench Metabolite Database with a mass (m/z) value

Search the database by entering an m/z value in the "Mass" input box and selecting an appropriate ion type and mass tolerance range.
Mass(m/z):
Ion:
Mass Tolerance:



Search the Metabolomics Workbench Metabolite Database by classification (lipid or non-lipid) with a mass (m/z) value

Search the database by first restricting your search to a particular class of metabolites, then entering an m/z value in the "Mass" input box and selecting an appropriate ion type and mass tolerance range.
Search Lipid classes in MW Metabolite Database
LIPID MAPS Category:
LIPID MAPS Main class:
LIPID MAPS Sub class:
Mass (m/z)
Ion type
Mass Tolerance

Search non-lipid classes in MW Metabolite Database
ClassyFire Main Class:
Sub class:
Mass (m/z)
Ion type
Mass Tolerance


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