Toggle navigation
ECMDB
Browse
Metabolite Browse
Protein Browse
Reaction Browse
Pathway Browse
Class Browse
Concentration Browse
Search
ChemQuery Structure Search
Molecular Weight Search
Text Query
Advanced Search
Sequence Search
LC-MS Search
LC-MS/MS Search
GC-MS Search
1D NMR Search
2D NMR Search
Downloads
About
About ECMDB
Citing ECMDB
Documentation
Statistics
E. Coli Numbers and Stats
Other Databases
Wishart Research Group
TMIC Wishart Node
Contact Us
compounds
proteins
pathways
Quantitative metabolomics services for biomarker discovery and validation.
Specializing in ready to use metabolomics kits.
Your source for quantitative metabolomics technologies and bioinformatics.
Spectra Search
Mass Spectrum
LC-MS Search
LC-MS/MS Search
GC-MS Search
1D NMR Search
2D NMR Search
Query Masses (Da)
Enter one mass per line (maximum 700 query masses per request)
Ionization
Ion Mode
Positive
Negative
Neutral
Adduct Type
["Unknown", "M+H", "M+H-2H2O", "M+H-H2O", "M+NH4-H2O", "M+Li", "M+NH4", "M+Na", "M+CH3OH+H", "M+K", "M+ACN+H", "M+2Na-H", "M+IsoProp+H", "M+ACN+Na", "M+2K-H", "M+DMSO+H", "M+2ACN+H", "M+IsoProp+Na+H", "M+H+HCOONa", "2M+H", "2M+NH4", "2M+Na", "2M+2H+3H2O", "2M+K", "2M+ACN+H", "2M+ACN+Na", "2M+H-H2O", "M+2H", "M+H+NH4", "M+H+Na", "M+H+K", "M+ACN+2H", "M+2Na", "M+2ACN+2H", "M+3ACN+2H", "M+3H", "M+2H+Na", "M+H+2Na", "M+3Na", "M+H+2K"]
Hold Ctrl (
) or Command (
) to select multiple adducts
Molecular Weight Tolerance ±
Da
ppm
Load Example
