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 | ||
|---|---|---|---|---|---|
| 1-METHYL-5-(3-PYRIDYL)-2-PYRROLIDINONE | C10H12N2O | Mass Spec | Chemical | MassBank | |
| 1-METHYL-5-FLUOROURACIL | C5H5FN2O2 | Mass Spec | Chemical | MassBank | |
| 1-METHYL-9H-PYRIDO(3,4-B)INDOLE | C12H10N2 | Mass Spec | Chemical | MassBank | |
| 1-METHYL-METHYLERGONOVINE | C21H27N3O2 | Mass Spec | Chemical | MassBank | |
| 1-METHYL-SILACYCLOBUTANE (1-D) | C4H10Si | Mass Spec | Chemical | MassBank | |
| 1-METHYL-SILACYCLOHEXANE (2,2,6,6-D4) | C6H14Si | Mass Spec | Chemical | MassBank | |
| 1-METHYL-SILACYCLOPENTANE (1-D) | C5H12Si | Mass Spec | Chemical | MassBank | |
| 1-METHYL-SILACYCLOPENTANE (2,2,5,5-D4) | C5H12Si | Mass Spec | Chemical | MassBank | |
| 1-METHYL-SILACYCLOPENTANE(2,2,5,5-D4) | C5H12Si | Mass Spec | Chemical | MassBank | |
| 1-METHYLAMINO-9,10-DIPHENYL-ANTHRACENE | C27H21N | Mass Spec | Chemical | MassBank | |
| 1-METHYLBICYCLO(4.4.0)DECANE(CIS) | C11H20 | Mass Spec | Chemical | MassBank | |
| 1-METHYLBICYCLO(4.4.0)DECANE(TRANS) | C11H20 | Mass Spec | Chemical | MassBank | |
| 1-METHYLBICYCLO(4.4.0)DECANE-4,4-D2(CIS) | C11H20 | Mass Spec | Chemical | MassBank | |
| 1-METHYLBICYCLO(4.4.0)DECANE-4,4-D2(TRANS) | C11H20 | Mass Spec | Chemical | MassBank | |
| 1-METHYLCARBAZOLE | C13H11N | Mass Spec | Chemical | MassBank | |
| 1-METHYLCYCLOHEXENE | C7H12 | Mass Spec | Chemical | MassBank | |
| 1-METHYLETHYL 3-PHENYLPROPENOATE | C12H14O2 | Mass Spec | Chemical | MassBank | |
| 1-METHYLETHYL BENZOATE | C10H12O2 | Mass Spec | Chemical | MassBank | |
| 1-METHYLETHYL PHENYLACETATE | C11H14O2 | Mass Spec | Chemical | MassBank | |
| 1-METHYLHEPTYL ACETATE | C10H20O2 | Mass Spec | Chemical | MassBank | |
| 1-METHYLHYDANTOIN | C4H6N2O2 | Mass Spec | Chemical | MassBank | |
| 1-METHYLINDOLE | C9H9N | Mass Spec | Chemical | MassBank | |
| 1-METHYLLYSERGIC ACID DIETHYLAMIDE | C21H27N3O | Mass Spec | Chemical | MassBank | |
| 1-METHYLNAPHTHALENE | C11H10 | Mass Spec | Chemical | MassBank | |
| 1-METHYLPENTYL ISOBUTYRATE | C10H20O2 | Mass Spec | Chemical | MassBank | |
| 1-METHYLPHENANTHRENE | C15H12 | Mass Spec | Chemical | MassBank | |
| 1-METHYLPIPERIDINE | C6H13N | Mass Spec | Chemical | MassBank | |
| 1-METHYLPROPYLAMINE | C4H11N | Mass Spec | Chemical | MassBank | |
| 1-METHYLPYPERAZINE | C5H12N2 | Mass Spec | Chemical | MassBank | |
| 1-METHYLPYRAZOLE | C4H6N2 | Mass Spec | Chemical | MassBank | |
| 1-METHYLSILACYCLOBUTANE | C4H10Si | Mass Spec | Chemical | MassBank | |
| 1-METHYLSILACYCLOHEXANE | C6H14Si | Mass Spec | Chemical | MassBank | |
| 1-METHYLSILACYCLOHEXANE (1-D) | C6H14Si | Mass Spec | Chemical | MassBank | |
| 1-METHYLSILACYCLOHEXANE (2,2,6,6-D4) | C6H14Si | Mass Spec | Chemical | MassBank | |
| 1-METHYLSILACYCLOHEXANE (D3-METHYL) | C6H14Si | Mass Spec | Chemical | MassBank | |
| 1-METHYLSILACYCLOHEXANE(METHYL-D3) | C6H14Si | Mass Spec | Chemical | MassBank | |
| 1-METHYLSILACYCLOPENTANE | C5H12Si | Mass Spec | Chemical | MassBank | |
| 1-METHYLSILACYCLOPENTANE (1D) | C5H12Si | Mass Spec | Chemical | MassBank | |
| 1-MONOOLEIN | C21H40O4 | Mass Spec | Chemical | MassBank | |
| 1-Methoxy-2-nitrobenzene | C7H7NO3 | Mass Spec | Environmental | MassBank | |
| 1-Methoxy-3-carbaldehyde | C10H9NO2 | Mass Spec | Chemical | MassBank | |
| 1-Methoxy-4-(2-((1R,2R)-2-(4-methoxyphenyl)-2-methylcyclopropyl)ethynyl)benzene | C20H20O2 | Mass Spec | Chemical | MassBank | |
| 1-Methoxy-4-(2-((1R,2R)-2-methyl-2-p-tolylcyclopropyl)ethynyl)benzene | C20H20O | Mass Spec | Chemical | MassBank | |
| 1-Methoxymethylbenzotriazole | C8H9N3O | Mass Spec | Chemical | MassBank | |
| 1-Methyl Histidine | C7H11N3O2 | Mass Spec | Natural product | MassBank | |
| 1-Methyl uracil | C6H6N2O4 | Mass Spec | Natural product | MassBank | |
| 1-Methyl-1,2,3-benzotriazole | C7H7N3 | Mass Spec | Environmental | MassBank | |
| 1-Methyl-1,3-dihydro-2H-benzimidazole-2-thione | C8H8N2S | Mass Spec | Chemical | MassBank | |
| 1-Methyl-2-pyridinium aldoxime | [C7H9N2O]+ | Mass Spec | Chemical | MassBank | |
| 1-Methyl-2-pyrrolidinone | C5H9NO | Mass Spec | Chemical | MassBank |