RefractiveIndex.INFO provides optical constants and raw data for materials including metals, glasses, and inorganic and organic compounds.
Spectral Database for Organic Compounds
vsOrganic Synthesis Search
Spectral Database for Organic Compounds vs Organic Synthesis Search
How do Spectral Database for Organic Compounds and Organic Synthesis Search compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Spectral Database for Organic Compounds | Organic Synthesis Search |
|---|---|---|
| What it is | Japan's free SDBS provides spectral records for organic compounds, including NMR, mass spectrometry, ESR, and infrared data. | Organic Synthesis Search lets users browse chemical transformations by the desired bond formation. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | — | — |
| Alternatives |
Other options to consider
Sites similar to both Spectral Database for Organic Compounds and Organic Synthesis Search.

