MassBank is an open source mass spectral library for the identification of small chemical molecules of metabolomics, exposomics and environmental relevance. The vast majority of MassBank contents now features high-resolution mass spectrometry data, although all kinds of mass spectral data are accepted. A range of search options are available for browsing the data. The MassBank library is based on text file records containing the record metadata and the mass spectral information in the MassBank record format. All data is archived on GitHub and Zenodo; the code is also on GitHub. The MassBank library can be downloaded in different formats such as text records, database files (sql) and MSP files.

MassBank is maintained and developed by the MassBank consortium and is supported by the NORMAN Association, FNR and NFDI4Chem. The main sustainers and developers of MassBank and related tools are the team of Steffen Neumann(Leibniz Institute of Plant Biochemistry. IPB, Halle/Saale, Germany), Michael Stravs(Swiss Federal Institute of Aquatic Science and Technology, EAWAG, Dübendorf, Switzerland), Emma Schymanski(Luxembourg Centre for Systems Biomedicine, University of Luxembourg, LCSB, Belvaux, Luxembourg), and Tobias Schulze(Helmholtz Centre for Environmental Research, UFZ, Leipzig, Germany).

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