The Best Spectral Database for Organic Compounds Alternatives in 2026

jPOSTrepo stores raw and processed mass spectrometry data for sharing through its Japan ProteOme STandard Repository.

mzCloud offers a searchable spectral database with high-resolution mass spectra to help identify compounds in scientific analyses.

RefractiveIndex.INFO provides optical constants and raw data for materials including metals, glasses, and inorganic and organic compounds.

DDBJ supports searching and retrieving database records, data submissions, and related services through Japan's DNA Data Bank.

Japan's National Tax Agency portal lets users search corporate names, addresses, and identification numbers and download the listed records.

Organic Synthesis Search lets users browse chemical transformations by the desired bond formation.

NASA’s Infrared Science Archive curates science products from infrared and submillimeter missions, with catalog and contributed dataset search.

The Sloan Digital Sky Survey V conducts multi-epoch optical and infrared spectroscopy across the sky, with coverage of the Milky Way and nearby galaxies.

The Astronomical Data Archives Center at Japan's National Astronomical Observatory provides astronomy archive services.

The INFRA-ART Spectral Library supports heritage science and conservation with searchable reference material and sample spectra.

NIST’s Atomic Spectral Line Broadening Bibliographic Database provides references about atomic spectral line broadening, from 1889 onward.

WURM catalogs computed mineral properties, including crystal structures, calculation parameters, and spectral measurements.

The Golm Metabolome Database supports searching and sharing mass spectra for biologically active metabolites measured with GC-MS.

Search mass spectra for metabolomics and related research in the MassBank of North America (MoNA).

The NEA Thermochemical Database project develops reference thermodynamic values for compounds relevant to radioactive waste safety and geochemical modeling.

Exposome-Explorer catalogs biomarkers of environmental exposure, with information on concentrations, associations, compounds, foods, and cancers.

The Leibniz-FMP Screening Unit provides biochemical and cell-based high-throughput screening using compound collections.

SureChEMBL provides compounds extracted from patent documents, including their text, images, and attachments.

LAPaL catalogs long-acting therapeutics, including technologies, compounds, formulations, patents, and national registrations.

The Lisses portal lists municipal administrative records and other public data from the town in Essonne.

Seoul's open data portal provides access to municipal datasets and information on searching, using, and requesting public records.

Barcode of Life Data Systems supports species identification through DNA barcodes and biodiversity records.

KonDATA is the University of Konstanz research data repository for publishing data with long-term visibility and citable records.

QUT's Research Data Finder helps users discover data collections, projects, people, software, and spatial research records.