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 | ||
|---|---|---|---|---|---|
| Tetraconazole | C13H11Cl2F4N3O | Mass Spec | Pesticide | MassBank | |
| Tetracosane SA-T8752 | — | NIR | Organic | USGS | |
| Tetracycline | C22H24N2O8 | Mass Spec | Chemical | MassBank | |
| Tetradecanoyl-L-Carnitine | C21H41NO4 | Mass Spec | Chemical | MassBank | |
| Tetradecyl sulfate | C14H30O4S | Mass Spec | Chemical | MassBank | |
| Tetradecyl-trimethylammonium | [C17H38N]+ | Mass Spec | Pesticide | MassBank | |
| Tetradecylsulfate | C14H30O4S | Mass Spec | Environmental | MassBank | |
| Tetraethylammonium | [C8H20N]+ | Mass Spec | Chemical | MassBank | |
| Tetraethylene glycol | C8H18O5 | Mass Spec | Chemical | MassBank | |
| Tetraethylene glycol di(2-ethylhexanoate) | C24H46O7 | Mass Spec | Environmental | MassBank | |
| Tetraethylenepentamine | C8H23N5 | Mass Spec | Chemical | MassBank | |
| Tetraglyme | C10H22O5 | Mass Spec | Environmental | MassBank | |
| Tetraheptylammonium | [C28H60N]+ | Mass Spec | Chemical | MassBank | |
| Tetrahexylammonium | [C24H52N]+ | Mass Spec | Chemical | MassBank | |
| Tetrahydroalstonine | C21H24N2O3 | Mass Spec | Natural product | MassBank | |
| Tetrahydrocurcumin | C21H24O6 | Mass Spec | Chemical | MassBank | |
| Tetrahydrofuran | — | Raman | Pharmaceutical | Pharma Raman 2025 | |
| Tetrahydroharman-3-carboxylic acid | C13H14N2O2 | Mass Spec | Chemical | MassBank | |
| Tetrahydropalmatin | C21H25NO4 | Mass Spec | Environmental | MassBank | |
| Tetrahydropalmatine | C21H25NO4 | Mass Spec | Chemical | MassBank | |
| Tetrahydropapaveroline | C16H17NO4 | Mass Spec | Natural product | MassBank | |
| Tetrahydrospirilloxanthin | C42H64O2 | Mass Spec | Natural product | MassBank | |
| Tetrahydrozoline | C13H16N2 | Mass Spec | Chemical | MassBank | |
| Tetraisopropyl methylenediphosphonate | C13H30O6P2 | Mass Spec | Chemical | MassBank | |
| Tetrameprozine | C19H25N3S | Mass Spec | Chemical | MassBank | |
| Tetramethrin | C19H25NO4 | Mass Spec | Chemical | MassBank | |
| Tetramethylene glycol dimethacrylate | C12H18O4 | Mass Spec | Chemical | MassBank | |
| Tetramisole | C11H12N2S | Mass Spec | Chemical | MassBank | |
| Tetraoctylammonium | [C32H68N]+ | Mass Spec | Chemical | MassBank | |
| Tetraoctylphosphonium | [C32H68P]+ | Mass Spec | Chemical | MassBank | |
| Tetrapentylammonium | [C20H44N]+ | Mass Spec | Chemical | MassBank | |
| Tetraphenylphosphonium | [C24H20P]+ | Mass Spec | Chemical | MassBank | |
| Tetrapropylammonium | [C12H28N]+ | Mass Spec | Chemical | MassBank | |
| Tetrazepam | C16H17ClN2O | Mass Spec | Environmental | MassBank | |
| Tetrekis(2-chlorethyl) dichloroisopentyldiphosphate | C13H24Cl6O8P2 | Mass Spec | Environmental | MassBank | |
| Texas Red (excitation) | — | Fluorescence | Fluorescent dye | FPbase | |
| Th2Cl8 | Th2Cl8 | Raman | Inorganic | CRD Oulu | |
| Th4P4O18 | Th4P4O18 | FTIR | Inorganic | CRD Oulu | |
| Th4P4O18 | Th4P4O18 | Raman | Inorganic | CRD Oulu | |
| Thalidomide | C13H10N2O4 | Mass Spec | Chemical | MassBank | |
| Thalsimidine | C37H38N2O7 | Mass Spec | Chemical | MassBank | |
| Thalsimine | C38H40N2O7 | Mass Spec | Chemical | MassBank | |
| Theobromine | C7H8N4O2 | Mass Spec | Chemical | MassBank | |
| Theobromine SA-T4500 | — | FTIR | Organic | USGS | |
| Theobromine SA-T4500 | — | NIR | Organic | USGS | |
| Theobromine SA-T4500 85K | — | NIR | Organic | USGS | |
| Theophyline | C7H8N4O2 | Mass Spec | Environmental | MassBank | |
| Theophyllin | C7H8N4O2 | Mass Spec | Environmental | MassBank | |
| Theophylline | C7H8N4O2 | Mass Spec | Chemical | MassBank | |
| Thiabendazole | C10H7N3S | Mass Spec | Chemical | MassBank |