Looking for something like RefractiveIndex.INFO? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms.
RefractiveIndex.INFO provides optical constants and raw data for materials including metals, glasses, and inorganic and organic compounds.
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Spectral Database for Organic Compounds | — | Not stated | Web |
| 2 | Sloan Digital Sky Survey | — | Not stated | Web |
| 3 | Organic Synthesis Search | — | Not stated | Web |
| 4 | mzCloud | — | Not stated | Web |
| 5 | Thermochemical Database | — | Not stated | Web |
| 6 | Exposome-Explorer | — | Not stated | Web |
| 7 | Screening Unit Berlin-Buch | — | Not stated | Web |
| 8 | SureChEMBL | — | Not stated | Web |
| 9 | LAPaL | — | Not stated | Web |
| 10 | Materials Data Repository | — | Not stated | Web |
Japan's free SDBS provides spectral records for organic compounds, including NMR, mass spectrometry, ESR, and infrared data.
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.
Organic Synthesis Search lets users browse chemical transformations by the desired bond formation.
mzCloud offers a searchable spectral database with high-resolution mass spectra to help identify compounds in scientific analyses.
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 NIMS Materials Data Repository provides a system for searching registered materials data.
IRIS offers public access to materials, data, and analysis tools for research on language learning, multilingualism, and language use.
Jönköping’s open data page provides reusable municipal statistics, maps, and other materials, including open geodata and map services.
INPTDAT provides access to research data in applied plasma physics and plasma medicine, covering materials, processes, and related fields.
APPLAUSE archives historical photographic plates and related image materials for research and discovery.
NIST’s Digital Library of Mathematical Functions provides reference material on mathematical functions, with indexes, notations, and search.
The INFRA-ART Spectral Library supports heritage science and conservation with searchable reference material and sample spectra.
AUB ScholarWorks collects, preserves, and distributes digital materials through American University of Beirut repositories.
Earth-prints is an open archive from Italy’s National Institute of Geophysics and Volcanology, with articles, theses, books, and conference materials.
China’s national reference materials platform shares reference material resources and information on measurement and testing programs.
The Lund University Humanities Lab Archive provides a searchable digital repository for the lab’s research materials.
The International University of Andalusia repository organizes academic works, historical collections, and teaching innovation materials.
The Alaska Native Language Archive provides materials documenting Alaska Native languages.
SLA Speech Tools is a public repository of materials for research and teaching in second-language speech acquisition and pronunciation.
Materials Cloud Archive lets visitors browse records linked to materials science applications and tools.
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