Browse reference spectra from the USGS Spectral Library Version 7 and other curated sources. Each spectrum includes interactive plots, metadata, and downloadable data.
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| Formula | Modality | Category | Source | ||
|---|---|---|---|---|---|
| mMaple2 (emission) | — | Fluorescence | Fluorescent protein | FPbase | |
| mNeptune2.5 (emission) | — | Fluorescence | Fluorescent protein | FPbase | |
| mNeptune2.5 (excitation) | — | Fluorescence | Fluorescent protein | FPbase | |
| mPapaya (emission) | — | Fluorescence | Fluorescent protein | FPbase | |
| mPapaya (excitation) | — | Fluorescence | Fluorescent protein | FPbase | |
| mPlum (emission) | — | Fluorescence | Fluorescent protein | FPbase | |
| mRFP1 (excitation) | — | Fluorescence | Fluorescent protein | FPbase | |
| mRouge (excitation) | — | Fluorescence | Fluorescent protein | FPbase | |
| mRuby2 (excitation) | — | Fluorescence | Fluorescent protein | FPbase | |
| mRubyFT (excitation) | — | Fluorescence | Fluorescent protein | FPbase | |
| mScarlet3-S2 (emission) | — | Fluorescence | Fluorescent protein | FPbase | |
| mScarlet3-S2 (excitation) | — | Fluorescence | Fluorescent protein | FPbase | |
| mTurquoise2_T203Y (excitation) | — | Fluorescence | Fluorescent protein | FPbase | |
| mWatermelon (excitation) | — | Fluorescence | Fluorescent protein | FPbase | |
| meso-Erythritol | C4H10O4 | Mass Spec | Natural product | MassBank | |
| meso-Hexestrol | C18H22O2 | Mass Spec | Environmental | MassBank | |
| methyl 2-{[hydroxy(octyloxy)phosphoryl]oxy}acetate | C11H23O6P | Mass Spec | Chemical | MassBank | |
| methylcinnamate | C10H10O2 | Mass Spec | Environmental | MassBank | |
| metolachloor | C15H22ClNO2 | Mass Spec | Environmental | MassBank | |
| miniGFP1 (emission) | — | Fluorescence | Fluorescent protein | FPbase | |
| miniGFP1 (excitation) | — | Fluorescence | Fluorescent protein | FPbase | |
| miniGFP2 (emission) | — | Fluorescence | Fluorescent protein | FPbase | |
| miniGFP2 (excitation) | — | Fluorescence | Fluorescent protein | FPbase | |
| mirex | C10Cl12 | Mass Spec | Natural product | MassBank | |
| mitoLite FX490 (excitation) | — | Fluorescence | Fluorescent dye | FPbase | |
| mitoLite FX570 Orange (excitation) | — | Fluorescence | Fluorescent dye | FPbase | |
| mmm-TMPP | C21H21O4P | Mass Spec | Natural product | MassBank | |
| moxCerulean3 (emission) | — | Fluorescence | Fluorescent protein | FPbase | |
| moxDendra2 (excitation) | — | Fluorescence | Fluorescent protein | FPbase | |
| myofibrillar protein BIOL013 | — | Raman | Pristine | MBARI Ocean Polymers | |
| myofibrillar protein BIOL015 | — | Raman | Pristine | MBARI Ocean Polymers | |
| n-Butylamine | C4H11N | Mass Spec | Natural product | MassBank | |
| n-C4H9CHO | n-C4H9CHO | UV-Vis | Atmospheric | MPI-Mainz UV/VIS Atlas | |
| n-C5H11CHO | n-C5H11CHO | UV-Vis | Atmospheric | MPI-Mainz UV/VIS Atlas | |
| n-Caprylic acid | C8H16O2 | Mass Spec | Natural product | MassBank | |
| n-Dodecane | C12H26 | Mass Spec | Chemical | MassBank | |
| n-Heptane | — | Raman | Pharmaceutical | Pharma Raman 2025 | |
| n-Hexane | C6H14 | Mass Spec | Chemical | MassBank | |
| n-Hexane | — | Raman | Pharmaceutical | Pharma Raman 2025 | |
| n-Octyl acrylate | C11H20O2 | Mass Spec | Chemical | MassBank | |
| n-Propylamine | C3H9N | Mass Spec | Natural product | MassBank | |
| nPFOA | C8HF15O2 | Mass Spec | Natural product | MassBank | |
| nPFOS | C8HF17O3S | Mass Spec | Natural product | MassBank | |
| nylon PLAS190 | — | Raman | Pristine | MBARI Ocean Polymers | |
| o-(Chloroacetylcarbamoyl)fumagillol | C19H28ClNO6 | Mass Spec | Chemical | MassBank | |
| o-Aminoazotoluene | C14H15N3 | Mass Spec | Chemical | MassBank | |
| o-Anisic acid | C8H8O3 | Mass Spec | Natural product | MassBank | |
| o-C6H4(CH3)(NO2) | o-C6H4(CH3)(NO2) | UV-Vis | Atmospheric | MPI-Mainz UV/VIS Atlas | |
| o-C6H4(NO2)2 | o-C6H4(NO2)2 | UV-Vis | Atmospheric | MPI-Mainz UV/VIS Atlas | |
| o-Coumarate | C9H8O3 | Mass Spec | Chemical | MassBank |