The data for MSnLib are divided into several Zenodo records due to size constraints. raw positive: 10966404raw negative: 10967081mzml positive and negative: 10966280spectral libraries: 11163380 This record includes zipped files containing the converted mzml positive and negative data, acquired using a flow injection method on an Orbitrap ID-X instrument, for all compound libraries. The different polartities are kept separated. 7 Compound Libraries: Short Name: Full name, Provider (Catalog number), total compounds (not all detected during library building) mce_bioactive: Bioactive Compound Library, MedChemExpress (HY-L001), 10,315 compounds mce_scaffold: 5k Scaffold Library, MedChemExpress, (HY-L902), 4998 compounds nih: NIH NPAC ACONN collection of NP, NIH/NCATS, 3988 compounds otavapep: Alpha-helix Peptiomimetic Library, OTAVAchemicals (a-helix-Peptido), 1298 compounds enamdisc: Discovery Diversity Set -10, Enamine (DDS-10), 10,240 compounds enammol: Carboxylic Acid Fragment Library + Random, Enamine and Molport, 4378 compounds mcedrug: FDA-Approved Drug Library, MedChemExpress (HY-L022), 2610 compounds