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 | ||
|---|---|---|---|---|---|
| 2ALPHA-HYDROXY-7BETA-(2-HYDROXY-1-METHYLETHYL)-1BETA,(4A)BETA-DIMETHYL-(8A)BETA-DECAHYDRONAPHTHALENE | C15H28O2 | Mass Spec | Chemical | MassBank | |
| 2BETA-FORMYL-11ALPHA-METHOXY-6,6,8BETA-TRIMETHYL-5ALPHA-TRICYCLO(6.3.0.0(1,5))UNDECANE | C16H26O2 | Mass Spec | Chemical | MassBank | |
| 2BETA-HYDROXY-1BETA,(4A)BETA-DIMETHYL-7BETA-(1-METHYL-1-HYDROXYETHYL)-(8A)BETA-DECAHYDRONAPHTHALENE | C15H28O2 | Mass Spec | Chemical | MassBank | |
| 2H,2H,3H,3H-Perfluorodecanoic acid | C10H5F15O2 | Mass Spec | Chemical | MassBank | |
| 2H,2H,3H,3H-Perfluorooctanoic acid | C8H5F11O2 | Mass Spec | Chemical | MassBank | |
| 2H-3,1-Benzoxazine-2,4(1H)-dione | C8H5NO3 | Mass Spec | Chemical | MassBank | |
| 2H-PYRIMIDO(1,2-A)(1,3,5)TRIAZINE-2,4,8(1H,3H)-TRIONE | C6H4N4O3 | Mass Spec | Chemical | MassBank | |
| 2NL | C10H8O | Mass Spec | Environmental | MassBank | |
| 2`,3`-di-O-acetyl-5`-deoxy-5-fluorocytidin | C13H16FN3O6 | Mass Spec | Environmental | MassBank | |
| 2`,6`-difluoro-5-methyl[1,2,4]triazolo[1,5-a]pyrimidine-2-sulfoanilide | C12H9F2N5O2S | Mass Spec | Environmental | MassBank | |
| 2`-Deoxyadenosine | C10H13N5O3 | Mass Spec | Chemical | MassBank | |
| 2`-Deoxyadenosine 5`-monophosphate | C10H14N5O6P | Mass Spec | Chemical | MassBank | |
| 2`-Deoxyguanosine | C10H13N5O4 | Mass Spec | Chemical | MassBank | |
| 2`-Deoxyinosine | C10H12N4O4 | Mass Spec | Chemical | MassBank | |
| 2`-Methylacetanilide | C9H11NO | Mass Spec | Environmental | MassBank | |
| 2`-O-Methyladenosine | C11H15N5O4 | Mass Spec | Chemical | MassBank | |
| 2`-O-Methylguanosine | C11H15N5O5 | Mass Spec | Chemical | MassBank | |
| 2`-deoxy-8-oxoguanosine | C10H13N5O5 | Mass Spec | Environmental | MassBank | |
| 2b,3a,12a-Trihydroxy-5b-cholan-24-oic acid | C24H40O5 | Mass Spec | Natural product | MassBank | |
| 2b,3a,7a,12a-Tetrahydroxy-5b-cholan-24-oic acid | C24H40O6 | Mass Spec | Natural product | MassBank | |
| 2b,3a,7a-Trihydroxy-5b-cholan-24-oic acid | C24H40O5 | Mass Spec | Natural product | MassBank | |
| 2b,3a-Dihydroxy-5b-cholan-24-oic acid | C24H40O4 | Mass Spec | Natural product | MassBank | |
| 2mPFOS | C8HF17O3S | Mass Spec | Natural product | MassBank | |
| 3 3' 4' 5 5' 7-hexahydroxyflavone | C15H10O8 | Mass Spec | Chemical | MassBank | |
| 3 3' 4' 5 7-pentahydroxy flavylium chloride | [C15H11O6]+ | Mass Spec | Chemical | MassBank | |
| 3 3' 4' 5 7-pentahydroxyflavone | C15H10O7 | Mass Spec | Chemical | MassBank | |
| 3 3' 4' 5-tetrahydroxy-7-methoxyflavone | C16H12O7 | Mass Spec | Chemical | MassBank | |
| 3 4' 5 7-tetrahydroxy-3' 5'-dimethoxyflavylium chloride | [C17H15O7]+ | Mass Spec | Chemical | MassBank | |
| 3 4' 5 7-tetrahydroxy-3'-methoxy flavone | C16H12O7 | Mass Spec | Chemical | MassBank | |
| 3 4' 5 7-tetrahydroxyflavone | C15H10O6 | Mass Spec | Chemical | MassBank | |
| 3 5 7-trihydroxy-4'-methoxyflavone | C16H12O6 | Mass Spec | Chemical | MassBank | |
| 3 Acetyldeoxynivalenol | C17H22O7 | Mass Spec | Environmental | MassBank | |
| 3' 4' 5 7-tetrahydroxyflavanone | C15H12O6 | Mass Spec | Chemical | MassBank | |
| 3' 4' 5 7-tetrahydroxyflavone | C15H10O6 | Mass Spec | Chemical | MassBank | |
| 3',4',5,7-TETRAACETOXYFLAVON | C23H18O10 | Mass Spec | Chemical | MassBank | |
| 3',4',5,7-tetrahydroxyflavanone | C15H12O6 | Mass Spec | Natural product | MassBank | |
| 3',4',5,7-tetrahydroxyflavone | C15H10O6 | Mass Spec | Natural product | MassBank | |
| 3',4',7,8-Tetrahydroxyflavanone | C15H12O6 | Mass Spec | Natural product | MassBank | |
| 3',4',7-Trihydroxyisoflavone | C15H10O5 | Mass Spec | Natural product | MassBank | |
| 3',4'-DICHLOROACETOPHENONE | C8H6Cl2O | Mass Spec | Chemical | MassBank | |
| 3',4'-DIMETHOXY-6-HYDROXYFLAVANONE | C17H16O5 | Mass Spec | Chemical | MassBank | |
| 3',4'-Dihydroxyflavone | C15H10O4 | Mass Spec | Natural product | MassBank | |
| 3',4'-Dimethoxy-7-hydroxyflavanone | C17H14O5 | Mass Spec | Natural product | MassBank | |
| 3',4'-Dimethoxy-7-hydroxyflavone | C17H14O5 | Mass Spec | Natural product | MassBank | |
| 3',4'-METHYLENDIOXYFLAVANONE | C16H12O4 | Mass Spec | Chemical | MassBank | |
| 3',4,4',5,7-Pentahydroxyflavan | C15H14O6 | Mass Spec | Environmental | MassBank | |
| 3',5'-Cyclic AMP | C10H12N5O6P | Mass Spec | Natural product | MassBank | |
| 3'-AMINOFLAVANONE | C15H13NO2 | Mass Spec | Chemical | MassBank | |
| 3'-AMP | C10H14N5O7P | Mass Spec | Environmental | MassBank | |
| 3'-BROMO-6-CARBOXYFLAVONOL | C16H9BrO5 | Mass Spec | Chemical | MassBank |